| ZIP Codes: | 14 ZIP Codes (10 Standard, 3 PO Box, 1 Unique) [See All] |
| Area Codes: | 405 / 572 |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:54:43 PM |
| Population: | 279,422 [See All] |
| FIPS: | 40027 |
| CBSA: | Oklahoma City, OK |
| Land Area: | 560 sq mi |
| Water Area: | 19 sq mi |
| Coordinates: | 35.2572, -97.4079 |
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279,422 residents live across 14 ZIPs covering 560 sq mi, served by 5 distinct USPS-recognized cities.
Population moved from 248,085 to 279,325 from 2014 to 2024 — a +12.6% change. 10 ZIPs gained residents, 1 lost.
The county's wealthiest ZIP 73165 (Oklahoma City, $125,434 median) and poorest ZIP 73069 (Norman, $58,888) are 8.8 miles apart — a 2.1× income gap across local geography.
Median home values vary 2.0× across this county — from $164,700 in 73051 (Lexington) to $325,600 in 73165 (Oklahoma City).
Density varies 37× across the county — from 79 people/sq mi in 73051 (Lexington) to 2,889 in 73160 (Oklahoma City).
Educational attainment ranges from 13.3% bachelor's+ in 73051 (Lexington) to 54.8% in 73072 (Norman) — the breadth of educational profiles across the area.
Within Oklahoma, this is the #3 most populous of 78 counties and ranks #4 for median household income with the #4 fastest decade growth .
Hosts 1 single-entity Unique ZIP: 73019University Of Ok .
Weighted by population, the typical household earns about $78,717 across the county — reflecting what a typical resident sees, not a simple ZIP average.
36.9% of adults age 25+ hold a bachelor's degree or higher (66,342 of 179,570 reporting). The most-educated ZIPs cluster around Norman.
10 Standard delivery, 3 PO Box only, 1 single-entity Unique ZIPs serve this county.
| ZIP | City | Type | Population | Median Income | Area (sq mi) | 10-yr Growth |
|---|---|---|---|---|---|---|
| 73160 | Oklahoma City | Standard | 62,690 | $79,491 | 21.7 | 13.2% |
| 73072 | Norman | Standard | 50,881 | $78,546 | 57.9 | 11.7% |
| 73071 | Norman | Standard | 43,798 | $64,007 | 24.0 | 12.5% |
| 73170 | Oklahoma City | Standard | 41,458 | $94,688 | 21.5 | 12.7% |
| 73069 | Norman | Standard | 28,462 | $58,888 | 15.8 | 16.7% |
| 73068 | Noble | Standard | 12,258 | $73,821 | 65.6 | 8.2% |
| 73026 | Norman | Standard | 11,216 | $94,014 | 119.7 | 1.1% |
| 73051 | Lexington | Standard | 10,274 | $65,872 | 130.8 | 1.1% |
| 74857 | Newalla | Standard | 9,931 | $92,479 | 57.8 | 25.2% |
| 73165 | Oklahoma City | Standard | 8,357 | $125,434 | 45.0 | 28.8% |
| 73070 | Norman | PO Box | 97 | — | 0.0 | — |
| 73019 | Norman | Unique | 0 | — | 0.3 | -100.0% |
| 73189 | Oklahoma City | PO Box | — | — | 0.0 | — |
| 73153 | Oklahoma City | PO Box | — | — | 0.0 | — |