What is the largest city in Carter County, OK?

Ardmore is the largest city or town in Carter County, with about 24,877 residents.

How many ZIP codes are in Carter County?

Carter County includes 12 ZIP Code Tabulation Areas, including 73401, 73435, 73436, 73437, 73438.

What is the population of Carter County, OK?

About 48,555 people live in Carter County, based on American Community Survey 5-year estimates.

What counties border Carter County?

Carter County borders Stephens County, Garvin County, Marshall County, Murray County, Johnston County, Love County, Jefferson County.

Carter County, OK: Cities, ZIP Codes & Local Data

Population

48,555

Land area

822sq mi

People per sq mi

59

ZIP codes

12

Carter County at a glance

The median household income is $60,723, 7% below the Oklahoma median of $65,039.
A typical owner-occupied home is valued at $168,500 (16% below Oklahoma) and median rent is $980 a month.
Its largest cities are Ardmore (24,877), Lone Grove (5,125) and Healdton (2,495).

Local data for Carter County, OK

Counts from official public data

Housing and community stats

Carter County, OK, American Community Survey 2020-2024

Full profile

Median household income

$60,723

Poverty rate

16.2%

Median home value

$168,500

Prices +2.2% in a year

Median rent

$980/mo

Homeownership

66.8%

Bachelor's or higher

19.9%

Median age

38.3

Average commute

20.8 min

Largest reported origins and ancestries: German Americans (5,973), Irish Americans (5,443), Mexican Americans (3,367).

Home values and rents Income, education and commute

Economy and federal money

Jobs, income, federal spending and pandemic loans

Details

Unemployment rate

6.0%

Aug 2026, +1.3 pts in a year

Average annual pay

$54,303

23,466 jobs, 2025

Income per person

$55,594

BEA, 2024

Federal spending

$343M

FY 2026, $7,143 per person

PPP loans

$103M

2,217 loans, 12,206 jobs reported

Campaign donations

$210K

Itemized, 2026 cycle

Economy Federal spending PPP loans

How people get to work

Carter County, OK, workers 16 and older. American Community Survey 5-year estimates

Drove alone77.5%
Carpooled13.5%
Public transit0.6%
Walked1.6%
Bicycle0.3%
Taxi, ride-hailing, motorcycle or other1.5%
Worked from home5.0%

Average one-way commute: 20.8 minutes for people who do not work from home.

Environment and hazard risk

Carter County, OK, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: tornado

Storm events since 1996

797

Most often hail

Flood insurance policies

40

0.2% of homes, county

July high / Jan low

94° / 31°F

Hazards, floods and storm history Check a flood zone 18 historic places

Health statistics

Share of adults in Carter County, OK, CDC PLACES estimates

All 40 measures

Obesity

39.7%

U.S. 33.3% +6.4 pts

Diabetes

13.7%

U.S. 12.1% +1.6 pts

Smoking

18.0%

U.S. 12.8% +5.2 pts

Uninsured (18-64)

11.1%

U.S. 11.1% about the same

Cities, towns and ZIP codes in Carter County

Population shown

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Frequently asked questions

What is the largest city in Carter County, OK?: Ardmore is the largest city or town in Carter County, with about 24,877 residents.
How many ZIP codes are in Carter County?: Carter County includes 12 ZIP Code Tabulation Areas, including 73401, 73435, 73436, 73437, 73438.
What is the population of Carter County, OK?: About 48,555 people live in Carter County, based on American Community Survey 5-year estimates.
What counties border Carter County?: Carter County borders Stephens County, Garvin County, Marshall County, Murray County, Johnston County, Love County, Jefferson County.