ZIP code · Ohio City · Colorado · United States
ZIP code 81237 — Ohio City
ZIP code 81237 serves Ohio City, Colorado.
- Postal code
- 81237Single source Value from one source, not cross-checked.
- City
- Ohio City
- County
- Gunnison FIPS 08051
- State
- Colorado
- Country
- United States
- Coordinates
- 38.5908, -106.6028 — precision estimated (postal-area centroid)
View on OpenStreetMap - Population
- 168 (ZCTA, ACS 5-year)
- Population density
- 3 / sq mi
- Land area
- 53.9 sq mi (139.6 km²) (ZCTA, ACS 5-year)
- Per-capita income
- $48,110
- Median age
- 56.7
- Households
- 65
- Housing units
- 257
- Median home value
- $481,300
- Congressional district
- CO-3 (119th Congress)
- USDA hardiness zone
- 5a (-20 to -15 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Denver (UTC−7 / UTC−6 DST)
- Area code
- 970 (from the nearest rate centre)Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
Tools: compare 81237 with another ZIP · ZIPs within 25 miles · distance from 81237
Map of ZIP code 81237
Climate — monthly normals
Warmest month Jul (avg high 80°F), coldest Jan (avg low -4°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 28 | 32 | 44 | 55 | 65 | 75 | 80 | 78 | 72 | 60 | 44 | 30 |
| Avg low °F | -4 | 2 | 14 | 22 | 29 | 36 | 44 | 42 | 33 | 22 | 11 | -1 |
| Precip in | 0.7 | 0.7 | 0.7 | 0.9 | 1.0 | 0.6 | 1.4 | 1.5 | 1.1 | 0.7 | 0.6 | 0.8 |
NOAA 1991–2020 climate normals from the nearest station: COCHETOPA CREEK (13.4 mi) · NOAA NCEI
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