In this article, we list and discuss the top 8 States with the Most Fluoridated Water in the US. If you would like to see our detailed discussion of the fluoridation history and how it’s important today, you can go to the 20 States with the Most Fluoridated Water in the US instead.
8. Maryland
Population served by CWS that have fluoridated water (%): 93.70%
Located in the middle regions of the Atlantic areas of the US, Maryland is a US state that borders important states like Pennsylvania. It is home to over 6,180,253 people, and most of these people have access to high-quality water. According to CDC data, 4,709,311 people in Maryland receive water through the community water systems, and 4,410,410 of these receive fluoridated water.
7. South Dakota
Population served by CWS that have fluoridated water (%): 93.80%
A landlocked state in the North-center of the US, South Dakota is famous for its good health services. Ranked 7th, South Dakota has the seventh-highest quantity of fluoridated water in the US. Out of the 757,461 people in the state who receive water from the community water systems, 710,136 get fluoridated water
6. Georgia
Population served by CWS that have fluoridated water (%): 94.90%
Georgia is a state in the Southeast region of the US, and it borders Tennessee to its northwest. US Census reports that the current population of the state is around 11,029,227. Out of these 9,135,654 people are served by the community water systems, and 8,671,136 of the residents receive fluoridated water.
5. Virginia
Population served by CWS that have fluoridated water (%): 95.50%
Officially known as the Commonwealth Of Virginia, Virginia is a state of the US in the mid-Atlantic region. Its population according to the US Census is 8,715,698. Of these, 7,027,639 people receive water from the community water systems, and most of the population — 6,713,205 people — enjoys clean high-quality, fluoridated water.
4. North Dakota
Population served by CWS that have fluoridated water (%): 96.50%
Fourth on the list, North Dakota is a landlocked US state located in its upper, mid-west part. The US Census reports the population of the state to be 783,926. The community water systems supply water to 731,260 residents of the state, and out of these, 705,703 receive fluoridated water.
3. Illinois
Population served by CWS that have fluoridated water (%): 98.40%
Home to the Great Lakes, Illinois is a state in the mid-western regions of the US. The population of the state is around 12,549,689, as reported by the US Census. It is one of the top 3 states with the most fluoridated water in the US. The community water systems supply water to 11,640,823 individuals in the state, and 11,457,094 of these people receive fluoridated water.
2. Minnesota
Population served by CWS that have fluoridated water (%): 98.80%
The State Of Minnesota is the 14th largest state of the US by area and is located in the mid-western region of the country. Minnesota’s population stands at 5,737,915, according to the 2023 census data. Despite the large population, 4,483,603 residents receive water from the community water systems, and among these, 4,432,008 individuals receive fluoridated water.
1. Kentucky
Population served by CWS that have fluoridated water (%): 99.90%
The Commonwealth Of Kentucky is a landlocked state of the US, lying in its western regions. Kentucky is best known for being the origin state of the most famous fast-food restaurant, KFC. This state is home to 4,526,154 individuals. Among them, 4,055,441 people receive water from the community water supplies, while 4,050,483 are getting fluoridated water. Topping the list, Kentucky is the state with the most fluoridated water in the US.
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