| ZIP Codes: | 7 ZIP Codes (4 Standard, 3 PO Box, 0 Unique) [See All] |
| Area Codes: | 539 / 918 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 2:13:26 PM |
| Population: | 33,484 [See All] |
| FIPS: | 40111 |
| CBSA: | Tulsa, OK |
| Land Area: | 670 sq mi |
| Water Area: | 8 sq mi |
| Coordinates: | 35.5953, -95.9567 |
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33,484 residents live across 7 ZIPs covering 670 sq mi, served by 7 distinct USPS-recognized cities.
Population moved from 36,545 to 33,484 from 2014 to 2024 — a -8.4% change. 1 ZIPs gained residents, 6 lost.
The county's wealthiest ZIP 74460 (Schulter, $92,554 median) and poorest ZIP 74437 (Henryetta, $46,984) are 6.5 miles apart — a 2.0× income gap across local geography.
Median home values vary 2.1× across this county — from $92,500 in 74431 (Dewar) to $189,700 in 74445 (Morris).
Density varies 370× across the county — from 35 people/sq mi in 74421 (Beggs) to 12,915 in 74431 (Dewar).
Educational attainment ranges from 7.5% bachelor's+ in 74431 (Dewar) to 24.5% in 74445 (Morris) — the breadth of educational profiles across the area.
Within Oklahoma, this is the #27 most populous of 78 counties and ranks #15 for median household income .
Weighted by population, the typical household earns about $53,604 across the county — reflecting what a typical resident sees, not a simple ZIP average.
17.7% of adults age 25+ hold a bachelor's degree or higher (4,017 of 22,710 reporting).
4 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.
A frontier county — vast land area with only a few residents per square mile. Daily life looks very different here than in the country's denser counties.
Okmulgee County lost 8.4% of residents between 2014 and 2024. ZIPs that shed the largest share:
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 74447 | Okmulgee | Standard | 15,786 | $48,432 | 237.8 | -7.2% |
| 74437 | Henryetta | Standard | 8,937 | $46,984 | 226.9 | -14.5% |
| 74421 | Beggs | Standard | 4,360 | $69,500 | 125.0 | -0.2% |
| 74445 | Morris | Standard | 3,051 | $67,875 | 80.4 | -7.5% |
| 74431 | Dewar | PO Box | 895 | $64,821 | 0.1 | -7.4% |
| 74460 | Schulter | PO Box | 377 | $92,554 | 0.1 | 48.4% |
| 74456 | Preston | PO Box | 78 | $95,000 | 0.0 | -57.8% |