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2000

These statistics were prepared using water system data reported by states to the CDC Water Fluoridation Reporting System as of December 31, 2002, and the U.S. Census Bureau population estimates.

Some estimates previously reported for 2004 have been revised due to corrections of errors in reporting or rounding, or application of the methodology for the 2006 fluoridation statistics as reported in Bailey W, Duchon K, Barker L, Maas W. Populations receiving optimally fluoridated public drinking water – United States, 1992–2006. MMWR 2008; 57(27):737–741.

National Water Fluoridation Statistics

Total U.S. population, personsa 282,216,952
U.S. population on public water systems, personsb 249,671,249
Total U.S. population on fluoridated drinking water systems, personsb 161,924,080
Percentage of U.S. population receiving fluoridated waterc 57.4%
Percentage of U.S. population on public water systems receiving
fluoridated waterd
65.0%

State Fluoridation Percentage Calculations and States Ranked by Fluoridation Percentage

State Persons receiving fluoridated water Persons served by CWS % Rank
United States 161,924,080 249,671,249 65.05%
Alabamae,g 3,699,090 4,452,375 83.15% 18
Alaska 270,099 489,371 55.2% 34
Arizona 2,700,354 4,869,065 55.5% 33
Arkansase,f 1,147,109 2,384,311 48.15% 39
Californiaf 9,551,961 33,238,057 28.7% 45
Coloradoe,f 2,680,750 3,670,761 73.05% 25
Connecticut 2,398,227 2,701,178 88.8% 13
Delaware 505,747 624,923 80.9% 19
District of Columbiag 571,042 571,042 100%
Florida 9,407,494 15,033,574 62.6% 31
Georgia 6,161,139 6,634,635 92.9% 8
Hawaiie,g 105,737 1,212,113 8.75% 50
Idahoe 383,720 845,780 45.4% 41
Illinois 10,453,837 11,192,286 93.4% 6
Indiana 4,232,907 4,441,502 95.3% 4
Iowa 2,181,649 2,390,661 91.3% 9
Kansas 1,513,306 2,421,274 62.5% 32
Kentucky 3,235,053 3,367,812 96.0% 2
Louisianae,g 2,260,349 4,469,529 50.65% 38
Maine 466,208 618,033 75.4% 22
Marylande,g 4,044,392 5,311,695 76.15% 21
Massachusettse,f,g 3,484,492 6,362,604 54.85% 35
Michigan 6,568,151 7,242,531 90.7% 11
Minnesota 3,714,465 3,780,942 98.2% 1
Mississippie 1,227,268 2,665,075 46.15% 40
Missourie,g 3,761,525 5,606,532 67.15% 27
Montana 143,092 645,452 22.2% 46
Nebraskae,f 978,518 1,401,923 69.8% 26
Nevadae,f 1,086,420 1,640,169 66.25% 28
New Hampshire 347,007 807,438 43.0% 42
New Jersey 1,120,410 7,208,514 15.5% 48
New Mexico 1,187,404 1,548,084 76.7% 20
New Yorke,f,g 14,184,047 19,000,135 74.75% 23
North Carolina 4,862,220 5,837,936 83.3% 17
North Dakota 531,738 557,595 95.4% 3
Ohiof 8,355,002 9,535,188 87.6% 14
Oklahomae,f,g 2,523,799 3,454,508 73.15% 24
Oregone,f 440,903 2,562,708 17.25% 47
Pennsylvania 5,825,328 10,750,095 54.2% 36
Rhode Island 842,797 989,786 85.1% 16
South Carolina 3,086,974 3,383,434 91.2% 10
South Dakotae,f 539,626 626,221 86.25% 15
Tennessee 4,749,493 5,025,998 94.5% 5
Texas 11,868,046 18,072,680 65.7% 29
Utahe,f,g 38,300 2,243,490 1.75% 50
Vermont 240,579 443,901 54.2% 37
Virginia 5,677,551 6,085,436 93.3% 7
Washingtone,f,g 2,421,410 5,912,036 41.05% 43
West Virginiae,f 891,851 1,365,410 65.35% 10
Wisconsin 3,108,738 3,481,285 89.3% 12
Wyominge,g 146,756 494,166 29.75% 44

Footnotes

a. Annual Population Estimates and Estimated Components of Population Change for the United States and States: April 1, 2000 to July 1, 2006. Source: Population Estimates Program, U.S. Bureau of the Census. Internet release date: December, 22, 2006.

b. Reported in CDC Water Fluoridation Reporting System (WFRS).

c. Fluoridated population divided by total population.

d. Fluoridated population divided by population served by community water systems.

e. Estimate for percentage has changed from that previously reported due to new methodology or correction of a rounding error.

f . Complete data were not available from WFRS; state provided additional information.

g. Population served by community water systems (CWS) exceeded the U.S. Census state population estimate; number of persons was reduced by the ratio of the population estimate to the CWS population estimate. Use caution in comparing the 2008 estimates for the number of persons receiving fluoridated water and persons served by CWS for these states to estimates from 2002, 2004, and 2006 because a different vintage of U.S. Census population estimates was used.

Additional Resources

More detail on U.S. Census Bureau estimates can be found at Calculating Fluoridation Statistics

Historical fluoridation statistics are available at Fluoridation Statistics

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