| ZIP Codes: | 9 ZIP Codes (7 Standard, 2 PO Box, 0 Unique) [See All] |
| Area Codes: | 539 / 918 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:54:46 PM |
| Population: | 80,973 [See All] |
| FIPS: | 40131 |
| CBSA: | Tulsa, OK |
| Land Area: | 783 sq mi |
| Water Area: | 5 sq mi |
| Coordinates: | 36.3614, -95.5978 |
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80,973 residents live across 9 ZIPs covering 783 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 74,989 to 80,973 from 2014 to 2024 — a +8.0% change. 5 ZIPs gained residents, 2 lost.
The county's wealthiest ZIP 74080 (Talala, $91,042 median) and poorest ZIP 74016 (Chelsea, $60,671) are 13.2 miles apart — a 1.5× income gap across local geography.
Median home values vary 2.4× across this county — from $121,500 in 74016 (Chelsea) to $287,500 in 74080 (Talala).
Density varies 8× across the county — from 25 people/sq mi in 74080 (Talala) to 199 in 74017 (Claremore).
Educational attainment ranges from 13.8% bachelor's+ in 74016 (Chelsea) to 28.5% in 74019 (Claremore) — the breadth of educational profiles across the area.
Within Oklahoma, this is the #7 most populous of 78 counties and ranks #8 for median household income with the #10 fastest decade growth .
Weighted by population, the typical household earns about $74,937 across the county — reflecting what a typical resident sees, not a simple ZIP average.
23.5% of adults age 25+ hold a bachelor's degree or higher (12,978 of 55,293 reporting). The most-educated ZIPs cluster around Claremore.
7 Standard delivery, 2 PO Box only, 0 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 74017 | Claremore | Standard | 29,206 | $65,368 | 146.4 | 5.0% |
| 74019 | Claremore | Standard | 21,023 | $84,342 | 115.4 | 11.5% |
| 74015 | Catoosa | Standard | 8,676 | $74,444 | 62.3 | 4.6% |
| 74036 | Inola | Standard | 7,799 | $79,824 | 128.6 | 21.1% |
| 74016 | Chelsea | Standard | 5,891 | $60,671 | 166.2 | -0.7% |
| 74053 | Oologah | Standard | 5,375 | $90,494 | 44.7 | 21.4% |
| 74080 | Talala | Standard | 3,003 | $91,042 | 119.1 | -7.1% |
| 74031 | Foyil | PO Box | — | — | 0.0 | — |
| 74018 | Claremore | PO Box | — | — | 0.0 | — |