ZIP code · Maineville · Ohio · United States
ZIP code 45039 — Maineville
ZIP code 45039 serves Maineville, Ohio.
- Postal code
- 45039Single source Value from one source, not cross-checked.
- City
- Maineville
- County
- Warren FIPS 39165
- State
- Ohio
- Country
- United States
- Coordinates
- 39.3170, -84.2438 — precision precise (locality)
View on OpenStreetMap - Population
- 28,958 (ZCTA, ACS 5-year)
- Population density
- 1,862 / sq mi
- Land area
- 15.6 sq mi (40.3 km²) (ZCTA, ACS 5-year)
- Median household income
- $111,774
- Per-capita income
- $52,789
- Median age
- 40.1
- Households
- 11,174
- Housing units
- 11,616
- Median home value
- $294,100
- Median gross rent
- $1,554 / month
- Congressional district
- OH-1 (119th Congress)
- USDA hardiness zone
- 6b (-5 to 0 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/New_York (UTC−5 / UTC−4 DST)
Tools: compare 45039 with another ZIP · ZIPs within 25 miles · distance from 45039
Map of ZIP code 45039
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 22°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 39 | 43 | 54 | 66 | 76 | 84 | 87 | 86 | 80 | 68 | 55 | 43 |
| Avg low °F | 22 | 24 | 31 | 41 | 51 | 61 | 64 | 63 | 54 | 42 | 33 | 26 |
NOAA 1991–2020 climate normals from the nearest station: MILFORD (9.6 mi) · NOAA NCEI
Places in ZIP 45039
- 5 schools
- 2 hospitals & clinics
- 9 doctors & dentists
- 3 pharmacies
- 2 supermarkets
- 18 restaurants & cafés
- 3 bars & pubs
- 5 parks
- 27 playgrounds
- 3 gyms & sports centres
- 1 post offices
- 9 places of worship
- 7 banks
- 6 gas stations
Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page