What state has the most rats

No one is going to be bragging about taking the number one spot for the most rat-infested city. The yucky rodents can squeeze or chew their way through just about anything. We know what you’re thinking—you want to stay far, far away from these nasty creatures. The city you’ll want to be farthest from? Chicago.

For the sixth year in a row, Chicago has topped the list of the most rat-infested cities. According to Orkin, the Windy City had the highest number of rodent treatments in both residential and commercial properties from September 2014 to August 2020. Check out these exterminator nightmares that will make you cringe.

Rodents invade 21 million homes every winter, so even if you live on the West Coast (far away from Chicago), your city probably isn’t completely rat-free. The other rattiest cities that made the top five are Los Angeles, New York, Washington D.C., and San Francisco. Here are 11 things mice don’t want you to know.

Rodents also hated the pandemic just as much as humans did in 2020. All of the restaurant closures forced them to find new sources of food. Many rats were seen scavenging new areas and showing signs of unusual and aggressive behavior. Rats trying to find food in homes and at businesses became so bad in some areas that the Center for Disease Control and Prevention put out Rodent Control guidance on how to keep rodents out.

To keep rats out of your home, make sure to seal off any holes or cracks that could lead indoors, including entryways. Also, be sure to tightly close and properly store all food containers and don’t leave crumbs out. You wouldn’t want to find one of these guys snacking on your leftovers. Once you take these steps to rat-proof your home, be sure to check for these 13 other things in your house that could be attracting pests right now.

Sources:

  • Orkin: “Rats! Chicago Tops Orkin’s Rattiest Cities List for Sixth Consecutive Time”
  • Pestworld.org: “Chilly Rodents Seek Cozy Homes This Winter”
  • CDC: “Rodent Control | COVID-19”

What state has the most rats
kram9/Shutterstock

What state has the most rats
phadungsak sawasdee/Shutterstock

Rats! A common exclamation when something goes wrong, many people find themselves cursing actual rats that have invaded their spaces.

A new report from pest control company Orkin ranked the 50 “rattiest” cities using data from Sept. 1, 2019 to Aug. 31 of this year. Cities were ranked by the number of new rodent treatments reported during that time period.

For the sixth consecutive year, Chicago topped the list as the U.S. city with the most rats.

Los Angeles, New York, Washington, D.C. and San Francisco rounded out the top five, as they have in years past.

But in the Orkin report, the company said this year has been “unprecedented” for pest control, just like many other things have been in the midst of the coronavirus pandemic.

Cities like Green Bay, Wisconsin, and Albuquerque jumped nearly 20 spots from their ranking last year, reflecting a dramatic increase in reports of new infestations in those areas. San Diego, California and Knoxville, Tennessee also saw large increases in rat presence.

“In an unprecedented year, the visibility of rodents has increased, creating concern for homeowners and business owners alike. As reported in the spring, the pandemic-driven closure of restaurants forced rodents to find new food sources. Without food waste to consume, these pests were seen scavenging new areas and exhibiting unusual or aggressive behavior. The presence of rodents became so relevant that the Centers for Disease Control and Prevention issued Rodent Control guidance on ways to keep rats and mice out of homes and businesses,” the company wrote in a statement.

Here’s the full Top 50 Rattiest Cities List by Orkin:

1. Chicago, Illinois

2. Los Angeles, California

3. New York, New York

4. Washington, D.C.

5. San Francisco, California

6. Detroit, Michigan

7. Philadelphia, Pennsylvania

8. Baltimore, Maryland

9. Denver, Colorado

10. Minneapolis, Minnesota

11. Cleveland, Ohio

12. Seattle, Washington

13. Boston, Massachusetts

14. Atlanta, Georgia

15. Indianapolis, Indiana

16. Dallas-Fort Worth, Texas

17. Houston, Texas

18. Pittsburgh, Pennsylvania

19. San Diego, California

20. Miami, Florida

21. New Orleans, Louisiana

22. Cincinnati, Ohio

23. Portland, Oregon

24. Milwaukee, Wisconsin

25. Norfolk, Virginia

26. Raleigh, North Carolina

27. Hartford, Connecticut

28. Columbus, Ohio

29. Grand Rapids, Michigan

30. Kansas City, Missouri

31. Charlotte, North Carolina

32. Phoenix, Arizona

33. Richmond, Virginia

34. Nashville, Tennessee

35. Greenville, South Carolina

36. Sacramento, California

37. St. Louis, Missouri

38. Albany, New York

39. Champaign, Illinois

40. Green Bay, Wisconsin

41. Tampa, Florida

42. Flint, Michigan

43. Buffalo, New York

44. Syracuse, New York

45. Knoxville, Tennessee

46. Orlando, Florida

47. Burlington, Virginia

48. Albuquerque, New Mexico

49. Dayton, Ohio

50. West Palm Beach, Florida

According to Orkin, as winter approaches, colder weather will drive rodents into homes and businesses as they seek warm shelter, food and water.

The company offered tips to prevent infestations. Read more here.

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What state has the most rats

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Rats have cohabited with humans for thousands of years, but these elusive and sometimes aggressive animals are perhaps best known for the potential health risks they pose. Infamously, rodents spread the “Black Death” that gripped Europe in the 14th century, wiping out a third of the people in Europe. Centuries later, however, rats can still carry infections such as salmonella and leptospirosis. They are everywhere in urban areas; and thanks to the way humans have populated the city, public hygiene measures and the type of weather, New York has been shown to be an ideal place for rat populations to thrive. Some cities have even seemed to resign themselves to the fact that living without rats is an impossible dream. As Castle Island, Boston preservationist Bill Spain has said of the local area’s rat infestation, “We need a Pied Piper.” Read on to discover ten of the most rat-infested cities in the western world.

10. Detroit, Michigan – USA

What state has the most rats

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In July 2012 the Detroit Free Press reported that extermination companies were reporting a rise in the rat population in urban Detroit, with human behavior – particularly carelessness when it comes to household maintenance and storage of trash – pinpointed as the main cause. Implementing rat control measures and citizen education are ongoing, but some parts of the city are considering other radical ideas. In early 2013 the suburban city St. Clair Shores, in the Metro Detroit area, proposed a bounty program whereby homeowners can earn $5 for each rat that they kill. The program met with opposition from some locals, who thought that the money could have been better spent. However, this controversial solution is apparently just one part of a larger plan to manage the rat population in St. Clair Shores. Awareness campaigns and investment in more secure trashcans have also been put forward as possible answers.

9. Boston, Massachusetts – USA

What state has the most rats

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In November 2012 rodents overran popular 22-acre Boston tourism and running spot Castle Island. And in August the same year, authorities were coming down hard on rat infestations in other parts of the city. A number of factors were thought to be responsible for the rise in rat numbers, including the relatively mild winter. High levels of garbage in one area were also listed as a reason, as well as a lack of consideration given to rat holes in the locality. In an attempt to solve the problem, the city took action. Violation notices were sent to two adjoining addresses on Haviland Street and Hemenway Street, with the owners facing potential fines as high as $300 per day should they fail to clean up their properties, and an additional $50 a day thrown in for lawn and garbage code infringements.

8. Paris – France

What state has the most rats

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Paris may have an international reputation for romance and culture, but the French capital is also swarming with rats. In 2008 the Paris police’s veterinary services chief Jean-Roch Gaillet told the BBC, “Paris is good for rats because of the River Seine but there is also a lot of stagnant water which is a very nice place for rats.” As a result, the city takes annual action against the unwanted rodents – which could number up to eight million all told. Every year, the Unité de Prévention des Nuisances Animals (UPNA) undertakes an annual rat culling exercise. The situation is quite serious, with rats not only responsible for leaving feces and doing damage to buildings and their furnishings, but also for giving a chunk of the population leptospirosis. Officials have the power to level verbal cautions as well as €450 ($610) penalties against those who do not to adhere to the UPNA’s directives.

7. Chicago, Illinois – USA

What state has the most rats

Chicago’s most common rat is the brown rat, which is a species that can be traced back to Asia. The brown rat is a highly capable climber – a fact of which some Chicago denizens may be only too aware. In August 2013 North Center locals were reported to be considering moving out, as they felt overwhelmed by the constant battle against the rodents. Some residents suspected that unlicensed catering was at fault, but in 2012 a less harsh winter was blamed for the influx. Warmer weather helps rats to live longer and boosts their breeding, and the mild 2012 winter witnessed a 28 percent increase in rats being spotted plus a significant rise in calls to authorities. In view of the controversy surrounding the use of rat poison and its threat to local pets, the city’s 47th Ward has since taken a more natural approach. In 2012, working alongside the Tree House Humane Society, officials released chipped feral cats in an attempt to curb the problem, with the felines having been neutered and given shots before they were let loose.

6. Baltimore, Maryland – USA

What state has the most rats

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In June 2013 Washington Post writer Karen Houppert shone a spotlight on Baltimore’s rat problem, revealing that between 2002 and 2009, rat numbers increased from less than ten of the creatures for every 1,000 local people to as many as 60 per 1,000. She also mentioned a Baltimore City Health Department report that claimed, “The rodent infestation rate in Baltimore is six times the national average.” The article was attacked by a New Republic blogger for seemingly taking glee in Baltimore’s misfortune, but the city is certainly trying to combat the issue. In April 2012 the five-year-long “Rat Attack” initiative was set up in Baltimore County to respond to complaints and inspections. By February the following year, officials had visited 2,100 houses in problem areas. As part of the program, pest control experts administered poisons into known rat holes, while trash was cleared from treated neighborhoods. Encouragingly, the measures have had success, and officials aim to maintain the momentum in other parts of the city.

5. London, England – United Kingdom

What state has the most rats

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When London was awarded the honor of hosting the 2012 Summer Olympics, it was believed that the Games would boost the city’s construction and tourism industries. However, some news reports dwelt on less positive topics while preparation was underway. In 2010 the National Pest Technicians Association (NPTA) reported a 38 percent rise in London’s rat population, attributing the problem to building work, deteriorating sewers, and trash. NPTA chief executive John Davison said, “All of the world’s eyes are going to be on London, and it won’t reflect well if there is a big rodent problem.” Luckily, there was no great crisis. Still, at least one exterminator reckons there are some 7.5 million rats in the English capital. What’s more, this could be bad news for residents, as the rodents can carry salmonella and Weil’s disease, the latter of which can harm the liver and kidneys. Historically, though, rat infestation has been far more serious in the city. The notorious 1665 Great Plague of London was a bubonic plague epidemic propagated by rats that wiped out around 15 percent of Londoners at the time. In 1666 the Great Fire of London burned much of the city to the ground, and it is believed that this helped put an end to the scourge.

4. Atlanta, Georgia – USA

What state has the most rats

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The city of Atlanta, Georgia is said to have the second highest rat population issue in America. The city’s heavy mortgage foreclosure problem and a rising number of poverty-stricken neighborhoods are thought to be behind the issue. In the past, flooding has also forced the animals into warmer, drier places – which could mean them entering people’s homes and other buildings to take shelter. In 2000 it was reported that rats were brought into closer proximity with the city’s locals, with construction and utility work undertaken as part of Atlanta’s growth and development having disturbed the rodents in their previous habitats. As retired local entomologist Maxcy Nolan explained, “When you disrupt the normal rodent pattern, you expose people to more rodents and the problems associated with rodents.”

3. New Orleans, Louisiana – USA

What state has the most rats

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Tropical storms such as 2005’s devastating Hurricane Katrina have only exacerbated New Orleans’ rat problem. In 2006 Erick Kinchke, owner of local firm Audubon Pest Control, described the city as “a rat’s paradise.” With large areas vacated, the animals are less likely to be trapped and killed, having little need to run and hide from humans in such circumstances. According to Kinchke, the rats also had “more to eat than before the storm.” Nowadays, however, the state of Louisiana itself is being eaten away at by river rats, or nutria (pictured). Through their chomping on vegetation, the 20-pound rodents are thought to be responsible for annual erosion covering a 40-square-mile area, and this provides a smaller barrier shielding New Orleans and the regions around it from any future bursts of severe weather, prompting a new headache for state residents.

2. Houston, Texas – USA

What state has the most rats

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With annual high temperatures averaging between 64°F and 91°F, Houston, Texas has an ideal climate for both black and brown rats. In 2013 a local news outlet highlighted the prevalence of black rat incidents to which pest company Critter Control was called. This species, which prefers elevated and dry conditions, can gain access to properties through tiny gaps and has the potential to cause significant damage to wires and electrics. Homeowners were advised to check their residences for holes that need blocking up and to trim nearby foliage. In 2012 a camp was set up by vagrants in the city’s Quebedeaux Park, and after being attracted by food waste, the rats eventually overran the area once the human inhabitants had been relocated. Officials reported that it was not unknown for rats to be sighted in the city center but acknowledged that the problem had to be treated seriously when the rodents made brazen appearances in daylight hours.

1. New York City – USA

What state has the most rats

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Historically, New York City was populated by brown and black rats. However, since the mid-1940s the brown rat has, thanks to its greater size and aggression, driven out the black rat, dominating them when it comes to finding food and shelter and, more significantly, actively killing them in physical confrontations. As is the case in many metropolises, New York officials have found it hard to estimate the number of rats in the city; one health spokesman said, “We don’t do rat tail counts.” Still, some say that the figure could be as high as 32 million. Historically, the city has adopted a reactive stance against rat infestations – for example, by leaving poison in response to complaints. However, more recently authorities have also begun to take preventative steps – among them, geo-tagging, focusing on the structural integrity of properties, waste removal, educating city employees, and advising residents to be on the lookout for traces of the animals. In 2013 a controversial plan for widespread chemical sterilization was announced, with the program aiming to nullify rat fertility levels and curb the population growth.