ZIP code · Saint Louis · Oklahoma · United States
ZIP code 74866 — Saint Louis
ZIP code 74866 serves Saint Louis, Oklahoma.
- Postal code
- 74866Single source Value from one source, not cross-checked.
- City
- Saint Louis
- County
- Pottawatomie FIPS 40125
- State
- Oklahoma
- Country
- United States
- Coordinates
- 35.0588, -96.8444 — precision precise (locality)
View on OpenStreetMap - Population
- 62 (ZCTA, ACS 5-year)
- Population density
- 21 / sq mi
- Land area
- 2.9 sq mi (7.6 km²) (ZCTA, ACS 5-year)
- Median household income
- $49,583
- Per-capita income
- $29,340
- Median age
- 51.2
- Households
- 27
- Housing units
- 34
- Median home value
- $66,700
- Congressional district
- OK-5 (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 74866 with another ZIP · ZIPs within 25 miles · distance from 74866
Map of ZIP code 74866
Climate — monthly normals
Warmest month Aug (avg high 93°F), coldest Jan (avg low 28°F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high °F | 52 | 55 | 64 | 72 | 78 | 87 | 92 | 93 | 85 | 74 | 63 | 52 |
| Avg low °F | 28 | 33 | 41 | 48 | 58 | 67 | 70 | 69 | 61 | 50 | 39 | 31 |
NOAA 1991–2020 climate normals from the nearest station: SEMINOLE 4SSW MESONET (11.5 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