ZIP code · Cincinnati · Ohio · United States
ZIP code 45203 — Cincinnati
ZIP code 45203 serves Cincinnati, Ohio.
- Postal code
- 45203Single source Value from one source, not cross-checked.
- City
- Cincinnati
- County
- Hamilton FIPS 39061
- State
- Ohio
- Country
- United States
- Coordinates
- 39.1075, -84.5257 — precision precise (locality)
View on OpenStreetMap - Population
- 2,530 (ZCTA, ACS 5-year)
- Population density
- 2,114 / sq mi
- Land area
- 1.2 sq mi (3.1 km²) (ZCTA, ACS 5-year)
- Median household income
- $33,798
- Per-capita income
- $38,397
- Median age
- 34.8
- Households
- 1,193
- Housing units
- 1,283
- Median home value
- $296,100
- Median gross rent
- $749 / 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 45203 with another ZIP · ZIPs within 25 miles · distance from 45203
Map of ZIP code 45203
Climate — monthly normals
Warmest month Jul (avg high 87°F), coldest Jan (avg low 24°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 41 | 45 | 55 | 67 | 75 | 83 | 87 | 86 | 80 | 68 | 55 | 45 |
| Avg low °F | 24 | 26 | 33 | 43 | 53 | 61 | 65 | 64 | 56 | 44 | 34 | 28 |
| Precip in | 2.9 | 2.8 | 3.9 | 4.4 | 4.7 | 4.6 | 4.4 | 3.4 | 3.1 | 3.0 | 2.9 | 3.3 |
NOAA 1991–2020 climate normals from the nearest station: CINCINNATI LUNKEN AP (5.7 mi) · NOAA NCEI
Places in ZIP 45203
- 3 schools
- 1 hospitals & clinics
- 5 restaurants & cafés
- 2 parks
- 5 playgrounds
- 1 gyms & sports centres
- 1 libraries
- 3 places of worship
- 3 banks
- 2 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