ZIP code · Springfield · Ohio · United States
ZIP code 45503 — Springfield
ZIP code 45503 serves Springfield, Ohio.
- Postal code
- 45503Single source Value from one source, not cross-checked.
- City
- Springfield
- County
- Clark FIPS 39023
- State
- Ohio
- Country
- United States
- Coordinates
- 39.9528, -83.7804 — precision precise (locality)
View on OpenStreetMap - Population
- 32,673 (ZCTA, ACS 5-year)
- Population density
- 1,871 / sq mi
- Land area
- 17.5 sq mi (45.2 km²) (ZCTA, ACS 5-year)
- Median household income
- $54,561
- Per-capita income
- $32,028
- Median age
- 40.6
- Households
- 14,039
- Housing units
- 15,458
- Median home value
- $153,100
- Median gross rent
- $871 / month
- Congressional districts
- OH-10 (also OH-15) (119th Congress)
- USDA hardiness zone
- 6a (-10 to -5 °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 45503 with another ZIP · ZIPs within 25 miles · distance from 45503
Map of ZIP code 45503
Climate — monthly normals
Warmest month Jul (avg high 84°F), coldest Jan (avg low 19°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 36 | 40 | 50 | 63 | 73 | 81 | 84 | 83 | 78 | 65 | 52 | 41 |
| Avg low °F | 19 | 20 | 28 | 38 | 49 | 59 | 62 | 60 | 52 | 41 | 31 | 24 |
| Precip in | 2.7 | 2.1 | 2.9 | 4.0 | 4.6 | 4.5 | 4.5 | 3.3 | 3.4 | 2.8 | 2.8 | 2.6 |
NOAA 1991–2020 climate normals from the nearest station: SPRINGFIELD WTP (2.1 mi) · NOAA NCEI
Places in ZIP 45503
- 10 schools
- 4 pharmacies
- 3 supermarkets
- 4 restaurants & cafés
- 1 bars & pubs
- 8 parks
- 7 playgrounds
- 16 places of worship
- 2 banks
- 10 gas stations
- 1 police & fire 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