McClain County, Oklahoma Population 2024

48,924

McClain County, Oklahoma's estimated 2024 population is 48,924 with a growth rate of 3.84% in the past year according to the most recent United States census data. McClain County, Oklahoma is the 19th largest county in Oklahoma. The 2010 population was 34,737 and has seen a growth of 40.84% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202957,9691,8093.22%
202856,1601,8093.33%
202754,3511,8093.44%
202652,5421,8093.57%
202550,7331,8093.7%
202448,9241,8093.84%
202347,1151,8093.99%
202245,3061,8094.16%
202143,4971,5863.78%
202041,9111,4453.57%
201940,4666111.53%
201839,8555451.39%
201739,3106851.77%
201638,6256441.7%
201537,9817331.97%
201437,2487892.16%
201336,4598762.46%
201235,5833841.09%
201135,1994621.33%
201034,737
199022,7952,50412.34%
198020,2916,13443.33%
197014,1571,41711.12%
196012,740-1,941-13.22%
195014,681-4,524-23.56%
194019,205-2,370-10.98%
193021,5752,24911.64%
192019,3263,66723.42%
191015,6592,77121.5%
190012,888-45,081-77.77%
showing: 30 rows
2024 Growth Rate
3.84% (1,809)
County Website
McClain County
County Seat
2020 Population
41,911
Area
571 mi²
Density
86 people/mi²
Growth Since 2020
16.73% (7,013)
Founded
1907

McClain County, Oklahoma Population 2024

Population by Race

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Race
Population
Percentage (of total)
White34,19180.65%
Two or more races4,37510.32%
Native American2,4885.87%
Other race6961.64%
Black or African American4261%
Asian2170.51%
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Two or more races

Native American

Other race

Black or African American

Asian

Native Hawaiian or Pacific Islander

McClain County, Oklahoma Population by Race

McClain County, Oklahoma Population Pyramid 2024

McClain County, Oklahoma Median Age

38.8

Total

38.8

Male

38.9

Female

McClain County, Oklahoma Adults

There are 31,715 adults, (6,538 of whom are seniors) in McClain County, Oklahoma.

McClain County, Oklahoma Age Dependency

68.4

Age Dependency Ratio

26

Old Age Dependency Ratio

42.4

Child Dependency Ratio

McClain County, Oklahoma Sex Ratio

Female21,04449.64%
Male21,34950.36%

McClain County, Oklahoma Population by Age

McClain County, Oklahoma Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All15,4472.7379.420.6
Married9,6853.1986.613.4
Non Family3,7341.1567.632.4
Female1,3063.456535
Male7223.369.730.3
showing: 5 rows

3.16

Average Family Size

2.73

Average Household Size

79.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

McClain County, Oklahoma Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

McClain County, Oklahoma Educational Attainment by Sex (over 25)

McClain County, Oklahoma Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among white people with a rate of 90.98%.

The highest rate of bachelors degrees is among asian people with a rate of 33.65%.

McClain County, Oklahoma Educational Attainment by Race

All

Male

Female

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$50,567

Average Earnings

$62,361

Average Male

$39,057

Average Female

McClain County, Oklahoma Earnings by Educational Attainment

McClain County, Oklahoma Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

McClain County, Oklahoma Language

93.53% of McClain County, Oklahoma residents speak only English, while 6.47% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 5.52% of the population.

McClain County, Oklahoma Language

McClain County, Oklahoma Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White32,4842,0876.42%
Multiple4,3634319.88%
Hispanic3,71340310.85%
Native2,4671405.67%
Other69610815.52%
Black3917218.41%
Asian2176529.95%
showing: 7 rows

7.09%

Overall Poverty Rate

6.73%

Male Poverty Rate

7.45%

Female Poverty Rate

Poverty in McClain County, Oklahoma

The race most likely to be in poverty in McClain County, Oklahoma is Asian, with 29.95% below the poverty level.

The race least likely to be in poverty in McClain County, Oklahoma is Native, with 5.67% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.45%. Among those working part-time, it was 8.25%, and for those that did not work, the poverty rate was 13.49%.

McClain County, Oklahoma Poverty

rate

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Rate
Poverty
Less Than 9th Grade14.5%
High School7.75%
Some College4.09%
Bachelors or Greater2.39%
showing: 4 rows

McClain County, Oklahoma Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed14.44%
Female Unemployed3.3%
Male Employed2.85%
Female Employed2.66%
showing: 4 rows

McClain County, Oklahoma Poverty Rate by Employment Status and Sex

McClain County, Oklahoma Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

McClain County, Oklahoma Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

60.3%

Overall Marriage Rate

60.7%

Male Marriage Rate

59.8%

Female Marriage Rate

McClain County, Oklahoma Married by Age and Sex

male

female

McClain County, Oklahoma Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 35-44.

McClain County, Oklahoma Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

McClain County, Oklahoma Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

2,525

Number of Veterans

2,338

Male Veterans

187

Female Veterans

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McClain County, Oklahoma Veterans by War

count

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McClain County, Oklahoma Veterans by Age

count

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McClain County, Oklahoma Veterans by Race

McClain County, Oklahoma Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.67%

Veteran Poverty Rate

30.95%

Veteran Disability Rate

McClain County, Oklahoma Veterans by Education

LaborForceParticipation

64.2%

Labor Force Participation

61%

Employment Rate

4.1%

Unemployment Rate

McClain County, Oklahoma Employment by Age

LaborForceParticipation

McClain County, Oklahoma Employment by Race

LaborForceParticipation

McClain County, Oklahoma Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

69.19%

Born in McClain County, Oklahoma

96.45%

Native Born

3.55%

Foreign Born

1.79%

Non Citizen

1.76%

Naturalized

Place of Birth

96.45% of McClain County, Oklahoma residents were born in the United States, with 69.19% having been born in Oklahoma. 1.79% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

McClain County, Oklahoma Place of Birth

Sources