CensusEasy
COUNTY · 2020 ACS

McClain County

Oklahoma · 41,662 residents · 570.718 sq mi
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The short version

McClain County has roughly average household income, with a median household income of $70,005. The county has grown rapidly, with population up 50% since 2000. Median home value has more than doubled since 2000, reaching $183,800. Households here earn about 30% more than the Oklahoma median.

At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 39.2
US median: 38.8
Less educated
25% hold a bachelor's degree
US average: 33%
Less affordable
home values up 68%, inflation adjusted
US median home: $265,253
Section 01

Population & growth

41,662
+50%since 2000
from 27,740 in 2000
1990 – 2025
39.2
+6%since 2000
from 36.9 in 2000
US average: 38.8
Population, 19902024
21K27K34K41K48K1990201020202024McClain County
202445K
1990201020202024
Age distribution, 2020
Under 55.9%(2,466)
US avg: 5.6%
5 to 97.3%(3,058)
US avg: 6.1%
10 to 148.1%(3,384)
US avg: 6.5%
15 to 197.3%(3,039)
US avg: 6.6%
20 to 244.9%(2,030)
US avg: 6.7%
25 to 3410.7%(4,441)
US avg: 13.5%
35 to 4413.7%(5,706)
US avg: 12.7%
45 to 5412.4%(5,147)
US avg: 12.3%
55 to 6413.6%(5,663)
US avg: 13.1%
65 to 749.7%(4,028)
US avg: 10%
75 to 845.1%(2,134)
US avg: 4.9%
85 and over1.4%(566)
US avg: 1.9%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02

Income & economy

$70,005
+25%inflation adjusted, since 2000
from $37,275 in 2000
US average: $66,278
1990 – 2024
$33,810
+86%since 2000
from $18,158 in 2000
US average: $35,364
Households earning $100K+
45.1%
+13.0 ptssince 2009
from 32.0% in 2009
US average: 43.9%
7.9%
−2.6 ptssince 2000
from 10.5% in 2000
US average: 12.8%
Workforce by industry, 2020
Information11.6%
US avg: 11.1%
Wholesale trade11.1%
US avg: 6.7%
Agriculture, forestry, fishing7.3%
US avg: 1.7%
Retail trade6.9%
US avg: 10%
Finance & insurance6.5%
US avg: 5.5%
Manufacturing5.6%
US avg: 0.5%
Professional, scientific, technical4.6%
US avg: 4.7%
Other services3.7%
US avg: 6.6%
Public administration2.9%
US avg: 4.7%
Transportation & warehousing2.2%
US avg: 2.5%
Education & health services1.9%
US avg: 0.8%
Construction1.7%
US avg: 1.2%
Arts, entertainment, food0.8%
US avg: 2%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03

Housing

$183,800
+68%inflation adjusted, since 2000
from $72,800 in 2000
US average: $265,253
1990 – 2024
$784
+17%inflation adjusted, since 2000
from $446 in 2000
US average: $1,124
79.8%
−1.6 ptssince 2000
from 81.4% in 2000
20.2% rent
2.6
+27%since 2009
from 2.1 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
RELATED:See current rent listings in McClain County on RentDataNow
Section 04

Race & ethnicity

2000
White, non-Hispanic85.3%(23,669)
Black0.6%(175)
Hispanic / Latino4.9%(1,349)
Asian0.2%(58)
Other0%
2020
White, non-Hispanic73.7%(30,701)
Black0.8%(346)
Hispanic / Latino8.9%(3,699)
Asian0.5%(209)
Other11.8%(4,901)
12
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins

Detailed origins & ancestry

Hispanic origin
Mexican7%(2,790)
Spaniard0.2%(61)
Salvadoran0.1%(50)
Cuban0.1%(31)
Asian origin
Japanese0%(15)
Filipino0%(15)
Thai0%(3)
Chinese0%(2)
Pacific Islander origin
Samoan0%(3)
Ancestry
American16.5%(6,585)
German11.8%(4,710)
Irish10.1%(4,036)
English7.4%(2,944)
Scottish1.6%(620)
French1.1%(455)
Italian1.1%(430)
Scotch-Irish0.9%(378)
Dutch0.8%(337)
Welsh0.7%(267)
Norwegian0.6%(250)
Polish0.5%(186)
+ 21 more ancestry groups with data
Greek0.4%(156)
British0.3%(119)
Danish0.3%(116)
Swedish0.3%(107)
Portuguese0.2%(91)
West Indian0.2%(89)
Russian0.2%(85)
Austrian0.1%(54)
Belgian0.1%(40)
Czech0.1%(39)
Bulgarian0.1%(32)
Swiss0.1%(23)
Croatian0%(18)
Ukrainian0%(17)
Hungarian0%(14)
Iranian0%(3)
Slovak0%(2)
RANKED:Largest American population · Largest German population · Largest Irish population · Largest English population · Largest Mexican population
Section 05

Education

25.4%
+9.6 ptssince 2000
from 15.7% in 2000
US average: 32.9%
High school or higher
89.4%
+10.0 ptssince 2000
from 79.3% in 2000
US average: 88.5%
8.5%
+4.4 ptssince 2000
from 4.0% in 2000
US average: 12.7%
Section 06

Commute & transportation

27.3 min
+42%since 2000
from 19.3 min in 2000
US average: 26.9
84.1%
+3.0 ptssince 2009
from 81.1% in 2009
US average: 75.1%
1.8%
−0.2 ptssince 2009
from 1.9% in 2009
US average: 8.4%
Section 07

Work & employment

3.4%
−1.1 ptssince 2011
from 4.4% in 2011
US average: 5.4%
64.0%
−0.9 ptssince 2011
from 64.9% in 2011
US average: 63.4%
36.7%
−22.1 ptssince 2009
from 58.8% in 2009
US average: 39.3%
Section 08

People & community

49.7%
Unchangedsince 2009
from 49.6% in 2009
50.3%
Unchangedsince 2009
from 50.4% in 2009
2.9%
+0.1 ptssince 2009
from 2.8% in 2009
US average: 13.5%
11.3%
−73.5 ptssince 2013
from 84.8% in 2013
US average: 8.8%
Marital status (2024)
Men 15+
Never married28.1%(5,015)
Married58.9%(10,529)
Widowed2.9%(520)
Divorced10.1%(1,802)
Women 15+
Never married20.7%(3,766)
Married59.8%(10,891)
Widowed7.9%(1,437)
Divorced11.6%(2,119)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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Frequently asked

How many people live in McClain County, Oklahoma?

McClain County, Oklahoma has about 41,662 residents according to the 2020 American Community Survey.

What is the median household income in McClain County, Oklahoma?

The typical household in McClain County, Oklahoma earns about $70,005 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 $183,800, and the typical rent is about $784 a month.

How educated are people in McClain County, Oklahoma?

About 25.4% 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 7.9% 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 18,867 residents, a change of about 83 percent over that period.

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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · UPDATED 2024

How we source and harmonize this data →