United States › Oklahoma › McClain County COUNTY
McClain County Oklahoma · 49,647 residents (2025 est.) · 571 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
McClain County is home to 45,273 people in Oklahoma. Since 2000 the county has risen by half, up 17,533 people. That puts it in the top 4% of US counties for household income. Owners hold 79% of the housing stock. That is roughly 30% ahead of the Oklahoma median. 3% of residents were born outside the United States.
At a glance
Average income
near the US median
US median: $82,259
Mid-age
median age 38.6
US median: 38.9
Less educated
29% hold a bachelor's degree
US average: 36%
Less affordable
home values up 93%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 27,740 in 2000
49,647 in 2025 (Census Bureau estimate)
from 56 / sq mi in 2009
US average: 281
from 36.9 in 2000
US average: 38.9
Population, 1990 – 2024
21K 27K 34K 41K 48K 1990 2000 2010 2020 2024 McClain County Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $84,552
+25%inflation adjusted, since 2000
from $37,275 in 2000
US average: $82,259
from $18,158 in 2000
US average: $44,673
Households earning $100K+
from 32.0% in 2009
US average: 53.3%
from 10.5% in 2000
US average: 12.5%
from 0.391 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 6%
Professional, scientific, technical 4.4%
Public administration 3.5%
Transportation & warehousing 1.7%
Education & health services 1.5%
Arts, entertainment, food 1.3%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$255,900
+93%inflation adjusted, since 2000
from $72,800 in 2000
US average: $376,019
$954
+17%inflation adjusted, since 2000
from $446 in 2000
US average: $1,442
from 81.4% in 2000
20.7% rent
from 13.1% in 2009
US average: 10.0%
from 2.85 people in 2009
US average: 2.54
from 17.4% in 2009
US average: 22.9%
from 34.4% in 2009
US average: 47.4%
from 2.1 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 85.3%(23,669)
Hispanic / Latino 4.9%(1,349)
2024
White, non-Hispanic 75.4%(34,150)
Hispanic / Latino 9.7%(4,414)
from 35 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
from 12 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 25 more ancestry groups with data from 15.7% in 2000
US average: 35.6%
High school or higher
from 79.3% in 2000
US average: 89.6%
from 4.0% in 2000
US average: 14.0%
Section 06
Commute & transportation from 19.3 min in 2000
US average: 26.5
from 81.1% in 2009
US average: 68.9%
from 11.5% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 4.6% in 2009
US average: 15.0%
from 1.7% in 2009
US average: 2.4%
from 0.0% in 2009
US average: 0.4%
from 1.9% in 2009
US average: 8.3%
Section 07
Work & employment from 4.4% in 2011
US average: 5.2%
from 64.9% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 70.4% in 2020
US average: 74.6%
from 14.3% in 2009
US average: 13.1%
from 32.1% in 2009
US average: 42.5%
Section 08
People & community from 2.8% in 2009
US average: 14.1%
from 10.4% in 2009
US average: 6.2%
from 15.5% in 2012
US average: 13.3%
from 15.2% in 2013
US average: 8.4%
from 79.3% in 2017
US average: 91.0%
Computer in household
from 92.9% in 2020
US average: 95.5%
from 87.1% in 2020
US average: 87.7%
from 93.8% in 2016
US average: 77.7%
from 5.4% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 28.1%(5,015)
Women 15+
Never married 20.7%(3,766)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 15.2% in 2013
US average: 8.4%
from 62.1% in 2020
US average: 54.8%
Direct-purchase
from 14.5% in 2020
US average: 13.8%
from 16.8% in 2020
US average: 18.4%
from 12.2% in 2020
US average: 20.9%
VA health care
from 2.6% in 2020
US average: 2.2%
Any private
from 74.8% in 2020
US average: 67.1%
Any public
from 28.2% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 32.4%(883)
Gulf War (1990s) 29.9%(816)
Share of the 2,725 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to McClain County Head to head
Compare McClain County to nearby counties MCCLAIN COUNTY VS
Cleveland County
Income $77,068 −9%
Home value $235,700 −8%
Population 303,973 +512%
SEE FULL COMPARISON →
MCCLAIN COUNTY VS
Garvin County
Income $58,556 −31%
Home value $147,800 −42%
Population 26,377 −47%
SEE FULL COMPARISON →
MCCLAIN COUNTY VS
Grady County
Income $75,419 −11%
Home value $205,800 −20%
Population 59,128 +19%
SEE FULL COMPARISON →
MCCLAIN COUNTY VS
Pottawatomie County
Income $61,398 −27%
Home value $165,400 −35%
Population 75,102 +51%
SEE FULL COMPARISON →
Frequently asked
How many people live in McClain County, Oklahoma? McClain County, Oklahoma has about 45,273 residents according to the 2024 American Community Survey.
What is the median household income in McClain County, Oklahoma? The typical household in McClain County, Oklahoma earns about $84,552 a year. Half of households make more than that, and half make less.
Is McClain County, Oklahoma expensive? In McClain County, Oklahoma, the median home is worth about $255,900, and the typical rent is about $954 a month.
How educated are people in McClain County, Oklahoma? About 28.7% of adults age 25 and over in McClain County, Oklahoma hold a bachelor's degree or higher.
What is the poverty rate in McClain County, Oklahoma? About 8.5% of people in McClain County, Oklahoma live below the federal poverty line.
Has McClain County, Oklahoma grown since 1990? Yes, McClain County, Oklahoma has grown since 1990. The population has added about 22,478 residents, a change of about 99 percent over that period.
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