Fairfield is a city in Butler County, Ohio, home to about 44,828 people across 21 square miles. Its ZIP code is 45014, and parts of 45011 are in Fairfield too.
Homes sold for a median of $170 per square foot in the three months ending August 2026, a seller’s market.
Mostly Fairfield; also Ross
Part is in Fairfield, part in Hamilton and New Miami
Each card is that ZIP code’s whole market, including any part outside Fairfield. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Fairfield’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Cincinnati Northern Kentucky International Airport (CVG)21 miles away |
|---|---|
| Nearest city of 250,000+ | Cincinnati, OH13 miles away |
| Nearest city of 1 million+ | Chicago, IL239 miles away |
Straight-line distances from the center of Fairfield; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Fairfield had 44,907 residents in the 2020 census, up 7% since 2000.
It’s the 25th largest of 1,264 towns in Ohio by population.
Butler County grew from 56,870 residents in 1900 to 390,357 in 2020.
Butler County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 87°F in summer, and winter lows average 22°F. About 41.5 inches of rain and melted snow fall in a typical year.
Source: NOAA 1991–2020 climate normals, Hamilton Butler Co Rgnl Ap, OH weather station (3 miles away).
148,073 jobs at 7,537 businesses in Butler County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
670 doctors and other health care providers list an office in Fairfield.
Nearest hospitals
Providers with an office here
| Primary care doctors | 80 |
|---|---|
| Specialist doctors | 122 |
| Dentists | 49 |
| Nurse practitioners and physician assistants | 121 |
| Mental health providers | 231 |
| Physical and occupational therapists | 43 |
| Optometrists | 10 |
| Chiropractors | 14 |
| Pharmacies | 20 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (31 nearby)
Grocery stores (8 nearby)
Pharmacies (4 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues (1 nearby)
Counts are within about 3 miles of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1787.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Fairfield City. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Fairfield West Elementary SchoolFairfield | Pre-K–5 | 870 | Public | 1.6 mi |
| Fairfield Central Elementary SchoolFairfield | K–5 | 756 | Public | 0.9 mi |
| Fairfield Compass ElementaryFairfield | K–5 | 746 | Public | 1.7 mi |
| Fairfield South Elementary SchoolFairfield | K–5 | 677 | Public | 0.4 mi |
| Creekside Middle SchoolFairfield | 6–8 | 1,111 | Public | 0.3 mi |
| Crossroads Middle SchoolFairfield | 6–8 | 1,111 | Public | 1.1 mi |
| Fairfield Freshman High SchoolFairfield | 9–10 | 786 | Public | 1.5 mi |
| Fairfield High SchoolFairfield | 9–12 | 2,255 | Public | 1.5 mi |
| School | Grades | Students | Affiliation | Distance |
|---|---|---|---|---|
| Sacred Heart of Jesus Elementary SchoolFairfield | TK–8 | 447 | Roman Catholic | 1.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools; Private School Universe Survey (2023-2024) for private schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Hamilton, New Miami, Williamsdale, Ross and Woodsdale.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.