Fairfield Population 2026
Fairfield has a population of 42,767, making it the #1033 biggest city in 🇺🇸 United States, located in Ohio. It is about 206× smaller than New York City, the country's biggest city.
Population (city proper)
42,767
Rank in United States
#1033
Coordinates
39.35°N, 84.56°W
~180 m elevation · America/New_York
Distance to capital (Washington)
651 km
404 miles, straight line
Other big cities in Ohio
Cities near Fairfield
- Hamilton62,407 people · ~6 km away
- Forest Park18,676 people · ~8 km away
- White Oak19,167 people · ~15 km away
- Mason32,662 people · ~22 km away
- Norwood19,915 people · ~23 km away
- Middletown48,760 people · ~23 km away
FAQ
What is the population of Fairfield?
Fairfield has a population of 42,767 (city proper, latest official figure via GeoNames), making it the #1033 biggest city in United States.
What state is Fairfield in?
Fairfield is located in Ohio, United States.
Is Fairfield the capital of United States?
No, the capital of United States is Washington D.C., about 651 km away.
Sources & notes
Population refers to the city proper (municipal boundaries), not the metropolitan area. Source: GeoNames (CC BY 4.0), retrieved 2026-07-07. Country data: UN World Population Prospects 2024.
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