2022 FLUORIDATION STATISTICS (CDC)

Total U.S. population: 333,261,756

U.S. population on community water systems (CWS): 289,330,482

U.S. population on fluoridated drinking water systems: 209,135,866

Percentage of U.S. population receiving fluoridated water: 62.8%

Percentage of U.S. population on CWS receiving fluoridated water: 72.3%

Total number of CWS in United States: 51,842

Population served by CWS with naturally occurring fluoride at or above optimal levels: 11,850,115

2025 UPDATED FLUORIDATION STATISTICS (FAN)

Total U.S. population: 344,913,318

U.S. population on community water systems (CWS): 299,446,110

U.S. population on fluoridated drinking water systems: 191,596,420

Percentage of U.S. population receiving fluoridated water: 55.5%

Percentage of U.S. population on CWS receiving fluoridated water: 64.0%

Total number of CWS in United States: 51,842

Population served by CWS with naturally occurring fluoride at or above optimal levels: 12,264,421 (est.)

Data also available in pdf.