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McClain County, OK
10 cities and towns and 7 ZIP codes in McClain County, Oklahoma.
Population
45,273
Land area
571sq mi
People per sq mi
79
ZIP codes
7
Cities and towns in McClain County
McClain County at a glance
- McClain County is 35% denser than Oklahoma as a whole.
- Households here earn a median of $84,552 a year, 30% more than the Oklahoma figure of $65,039.
- A typical owner-occupied home is valued at $255,900 (28% above Oklahoma) and median rent is $954 a month.
- The biggest population centers are Newcastle (13,001), Blanchard (9,215) and Purcell (6,803).
Local data for McClain County, OK
Counts from official public data
Housing and community stats
McClain County, OK, American Community Survey 2020-2024
Median household income
$84,552
Poverty rate
8.5%
Median home value
$255,900
Prices +0.3% in a year
Median rent
$954/mo
Homeownership
79.3%
Bachelor's or higher
28.7%
Median age
38.6
Average commute
27.9 min
Largest reported origins and ancestries: German Americans (4,926), Irish Americans (4,450), Mexican Americans (3,734).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
3.3%
Sep 2026, +0.3 pts in a year
Average annual pay
$50,179
12,590 jobs, 2025
Income per person
$59,598
BEA, 2024
Federal spending
$344M
FY 2026, $8,266 per person
PPP loans
$64.1M
1,592 loans, 7,845 jobs reported
Campaign donations
$201K
Itemized, 2026 cycle
How people get to work
McClain County, OK, workers 16 and older. American Community Survey 5-year estimates
- Drove alone80.1%
- Carpooled8.4%
- Public transit0.1%
- Walked1.2%
- Bicycle0.0%
- Taxi, ride-hailing, motorcycle or other0.6%
- Worked from home9.6%
Average one-way commute: 27.9 minutes for people who do not work from home.
Environment and hazard risk
McClain County, OK, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: ice storm
Storm events since 1996
808
Most often hail
Flood insurance policies
49
0.3% of homes, county
July high / Jan low
95° / 27°F
36.3 inches of rain a year
Hazards, floods and storm historyCheck a flood zone3 historic places
Health statistics
Share of adults in McClain County, OK, CDC PLACES estimates
Obesity
38.5%
U.S. 33.3% +5.2 pts
Diabetes
11.3%
U.S. 12.1% -0.8 pts
Smoking
15.4%
U.S. 12.8% +2.6 pts
Uninsured (18-64)
9.8%
U.S. 11.1% -1.3 pts
Cities, towns and ZIP codes in McClain County
Population shown
Frequently asked questions
- What is the largest city in McClain County, OK?
- Newcastle is the largest city or town in McClain County, with about 13,001 residents.
- How many ZIP codes are in McClain County?
- McClain County includes 7 ZIP Code Tabulation Areas, including 73010, 73031, 73065, 73080, 73093.
- What is the population of McClain County, OK?
- About 45,273 people live in McClain County, based on American Community Survey 5-year estimates.
- What counties border McClain County?
- McClain County borders Cleveland County, Canadian County, Pottawatomie County, Grady County, Pontotoc County, Garvin County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023