ZIP code · Calvin · Oklahoma · United States
ZIP code 74531 — Calvin
ZIP code 74531 serves Calvin, Oklahoma.
- Postal code
- 74531Single source Value from one source, not cross-checked.
- City
- Calvin
- County
- Hughes FIPS 40063
- State
- Oklahoma
- Country
- United States
- Coordinates
- 34.8780, -96.2710 — precision precise (locality)
View on OpenStreetMap - Population
- 900 (ZCTA, ACS 5-year)
- Population density
- 9 / sq mi
- Land area
- 102.9 sq mi (266.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $49,583
- Per-capita income
- $21,524
- Median age
- 43.2
- Households
- 317
- Housing units
- 463
- Median home value
- $89,200
- Median gross rent
- $695 / month
- Congressional district
- OK-2 (119th Congress)
- USDA hardiness zone
- 7b (5 to 10 °F)Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
- Time zone
- America/Chicago (UTC−6 / UTC−5 DST)
Tools: compare 74531 with another ZIP · ZIPs within 25 miles · distance from 74531
Map of ZIP code 74531
Climate — monthly normals
Warmest month Jul (avg high 95°F), coldest Jan (avg low 26°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 51 | 56 | 65 | 74 | 81 | 90 | 95 | 95 | 87 | 76 | 63 | 53 |
| Avg low °F | 26 | 30 | 39 | 47 | 58 | 67 | 70 | 68 | 61 | 48 | 38 | 30 |
| Precip in | 1.9 | 2.3 | 3.3 | 4.0 | 5.1 | 4.4 | 3.4 | 3.4 | 4.3 | 3.9 | 2.7 | 2.8 |
NOAA 1991–2020 climate normals from the nearest station: HOLDENVILLE 2SSE (14.0 mi) · NOAA NCEI
Places in ZIP 74531
- 2 places of worship
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