ZIP code · Earlsboro · Oklahoma · United States
ZIP code 74840 — Earlsboro
ZIP code 74840 serves Earlsboro, Oklahoma.
- Postal code
- 74840Single source Value from one source, not cross-checked.
- City
- Earlsboro
- County
- Pottawatomie FIPS 40125
- State
- Oklahoma
- Country
- United States
- Coordinates
- 35.2628, -96.8041 — precision precise (locality)
View on OpenStreetMap - Population
- 1,993 (ZCTA, ACS 5-year)
- Population density
- 33 / sq mi
- Land area
- 60.9 sq mi (157.7 km²) (ZCTA, ACS 5-year)
- Median household income
- $61,563
- Per-capita income
- $29,926
- Median age
- 41.6
- Households
- 687
- Housing units
- 818
- Median home value
- $155,200
- Median gross rent
- $914 / month
- 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)
- Area code
- 405Telephone 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 74840 with another ZIP · ZIPs within 25 miles · distance from 74840
Map of ZIP code 74840
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 (8.3 mi) · NOAA NCEI
Places in ZIP 74840
- 2 schools
- 1 parks
- 1 post offices
- 2 places of worship
- 1 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