Fairfield Flag

Fairfield

County:
Butler County
County Seat:
No
Area (mi²):
20.834
State:
Ohio

Fairfield is a city located in Butler County, Ohio. Fairfield has a 2026 population of 45,094. Fairfield is currently growing at a rate of 0.6% annually and its population has increased by 0.41% since the most recent census, which recorded a population of 44,912 in 2020.

45.1K
Total Population
2,165
Density (mi²)
267 0.6%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)