ZIP Codes of Pittsburg County, OK

Population & People
Population & People
Total Population
40,995
Household Income
Household Income
Median Income
$58,533
Housing
Housing
Total Housing Units
19,900
Business & Economy
Business & Economy
Total Businesses
874
Employment
Employment
Employment Rate
50.62%
Education
Education
Bachelor's Degree+
20.23%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 16 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:16 ZIP Codes (10 Standard, 6 PO Box, 0 Unique) [See All]
Area Codes:539 / 918
Timezone:Central (GMT -06:00)
Local Time:2:13:26 PM
Population:40,995 [See All]
FIPS:40121
CBSA:McAlester, OK
Land Area:1,386 sq mi
Water Area:57 sq mi
Coordinates:34.9126, -95.7126
Quick Link:
https://www.zip-codes.com/county/ok-pittsburg.asp
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Wide geographic spread
ZIPs range from 648.2 sq mi down to 12.08 — a 54× sprawl ratio.

Standout ZIPs in this County


Most Populous
Mcalester · 28,616 people
69.8% of county total
Highest Income
Wardville · $83,466 median
1.4× county average
Largest Land Area
Mcalester · 648.2 sq mi
Spans the most ground
Fastest Growth
Kiowa · 30.7% (10-yr)
1,057 → 1,382 residents
Most Educated
Mcalester · 21.4% bachelor's+
4,222 of 19,722 adults 25+

Things worth knowing about Pittsburg County


40,995 residents live across 16 ZIPs covering 1,386 sq mi, served by 15 distinct USPS-recognized cities.

Population moved from 42,646 to 40,995 from 2014 to 2024 — a -3.9% change. 3 ZIPs gained residents, 11 lost.

The county's wealthiest ZIP 74576 (Wardville, $83,466 median) and poorest ZIP 74554 (Krebs, $40,938) are 25.2 miles apart — a 2.0× income gap across local geography.

Median home values vary 3.7× across this county — from $87,500 in 74546 (Haileyville) to $327,700 in 74576 (Wardville).

Density varies 13001× across the county — from 2 people/sq mi in 74560 (Pittsburg) to 29,402 in 74554 (Krebs).

Educational attainment ranges from 7.5% bachelor's+ in 74560 (Pittsburg) to 38.6% in 74430 (Crowder) — the breadth of educational profiles across the area.

Within Oklahoma, this is the #22 most populous of 78 counties and ranks #41 for median household income .

Weighted by population, the typical household earns about $56,257 across the county — reflecting what a typical resident sees, not a simple ZIP average.

20.2% of adults age 25+ hold a bachelor's degree or higher (5,726 of 28,307 reporting).

10 Standard delivery, 6 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Pittsburg County


Big & sparse

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.

Total area
1,386
square miles
Avg density
29.6
people per sq mi
Population
40,995
across 16 ZIPs
Mcalester
648.2 sq mi
28,616 residents
Pittsburg
192.3 sq mi
435 residents
Kiowa
150.1 sq mi
1,382 residents

Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Mcalester

All ZIP Codes in Pittsburg County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
74501McalesterStandard28,616$57,922648.2-0.8%
74547HartshorneStandard2,815$45,521115.3-14.9%
74561QuintonStandard1,950$48,224120.6-16.3%
74554KrebsPO Box1,917$40,9380.1-10.3%
74553KiowaStandard1,382$59,063150.130.7%
74425CanadianStandard1,036$63,40512.1-7.7%
74442IndianolaStandard790$78,08370.3-18.6%
74546HaileyvillePO Box597$47,8572.7-14.5%
74430CrowderPO Box530$56,0421.67.1%
74565SavannaPO Box446$56,2500.8-27.1%
74560PittsburgStandard435$45,000192.3-16.8%
74576WardvilleStandard209$83,46648.133.1%
74528BlancoStandard144$69,16724.0-12.2%
74522AldersonPO Box128$68,5190.2-46.0%
74502McalesterPO Box0.0
74529BlockerStandard0.0

Adjacent & Nearby Counties