Residential delivery area · Ohio
ZIP Code 45014: Fairfield, OH
ZIP code 45014 is in Fairfield, Ohio, entirely in Butler County (Census 2020 ZIP-county file). About 46,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $75,661 (Census Bureau, ACS 2020-2024). By Census place, 86% of its land lies in Fairfield, and 6% in smaller places; 8% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Fairfield · its only residential ZIP
- County
- Butler County
- Census places
- Fairfield
- Metro area
- Cincinnati, OH-KY-IN
- House district
- OH-8 119th Congress
- State
- Ohio
- Time zone
- Eastern
- Land area
- 22.6 sq mi · 2,026 people per sq mi
- PO Box ZIPs
- 45018 also use the name Fairfield
Where is ZIP code 45014?
45014 centers on 39.326°, -84.552° and covers 22.6 square miles of land plus 0.3 of water. It borders 9 ZIP codes: 45240, 45015, 45251, 45246, 45231, 45252, 45011, 45013, 45030.
The map draws ZIP code areas only. For the streets inside 45014, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 45014 compare with the rest of Butler County?
| Measure | 45014 | In Butler County | In OH |
|---|---|---|---|
| People (ACS 2020-2024) | 45,773 | 5th of 18 | 36th of 1,233 |
| Median household income | $76k | 7th of 13 | 310th of 755 |
| Median home value | $232k | 10th of 15 | 262nd of 810 |
Its median household income is higher than in 56% of U.S. residential ZIP codes, and it is denser than 85% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 45014?
The 2020 Census counted 46,169 people in 45014; the ACS, which samples households over 2020-2024, estimates 45,773. Between the 2010 and 2020 censuses its population grew 5.1% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 45,773
- 2020 Census count
- 46,169+5.1% since 2010 (43,917)
- Households
- 18,888
- Median age
- 38.0
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 45014?
Of the 45,773 people the ACS estimates in 45014, 21.4% are under 18 and 17.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (60.1%), then Black (not Hispanic) (14.6%).
- Under 1821.4%
- 18 to 6461.0%
- 65 and older17.6%
- White, not Hispanic60.1%
- Black, not Hispanic14.6%
- Hispanic or Latino11.1%
- Asian, not Hispanic7.2%
- Other or two or more7.0%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 45014 earn?
Median household income is $75,661 (ACS 2020-2024), the 7th highest of the 13 ranked ZIP codes in Butler County. It is not measurably different from 2015-2019 ($74,261 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $75,661
- Income per person
- $40,041
- Below the poverty line
- 8.8%
- Unemployed (of the labor force)
- 5.5%
- Adults 25+ with a bachelor's degree
- 30.2%
- Adjusted gross income per tax return, 2022
- $64,54223,160 returns; wages 73% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 45014?
FHFA's house price index for 45014, built from repeat sales and appraisals of the same homes, rose 101% from 2015 to 2025 and rose 59% from 2020 to 2025, and moved +4.2% in 2025.
- Median home value (owners' estimate)
- $232,400
- Median gross rent
- $1,235
- Homes owned by their occupants
- 62.8%
- Housing units
- 20,064
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 45014?
1,123 business establishments had a location in this ZIP code in 2023, 49 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade158
- Health care and social assistance147
- Other services (except public administration)113
- Accommodation and food services109
- Construction87
- Manufacturing77
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 45014?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 45240 | Cincinnati | 29,600 | $72k | 3.1 mi |
| 45015 | Hamilton | 11,038 | $48k | 3.4 mi |
| 45251 | Cincinnati | 20,254 | $75k | 4.3 mi |
| 45246 | Cincinnati | 13,527 | $65k | 5.3 mi |
| 45231 | Cincinnati | 40,463 | $71k | 5.5 mi |
| 45252 | Cincinnati | 4,684 | $85k | 5.6 mi |
| 45011 | Hamilton | 75,864 | $92k | 7.6 mi |
| 45013 | Hamilton | 53,998 | $74k | 8.1 mi |
| 45030 | Harrison | 21,640 | $99k | 12.2 mi |
| 45218 | Cincinnati | 3,836 | $71k | 4.5 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Fairfield?
1 more ZIP code carries the postal name Fairfield, OH without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 45018 | Butler County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.