McClain County, Oklahoma Population 2024

48,734

McClain County, Oklahoma's estimated 2024 population is 48,734 with a growth rate of 3.53% 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 40.29% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202957,0441,6623%
202855,3821,6623.09%
202753,7201,6623.19%
202652,0581,6623.3%
202550,3961,6623.41%
202448,7341,6623.53%
202347,0721,6623.66%
202245,4101,8754.31%
202143,5351,6213.87%
202041,9141,4483.58%
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%
201034,73700%
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%
190012,888-44,156-77.41%
2024 Growth Rate
3.53% (1,662)
County Website
McClain County
County Seat
Purcell
2020 Population
41,914
Area
571 mi²
Density
85 people/mi²
Growth Since 2020
16.27% (6,820)
Founded
1907

Population by Race

Race
Population
Percentage (of total)
White34,79779.48%
Two or more races5,04211.52%
Native American2,5525.83%
Other race7421.69%
Black or African American4601.05%
Asian1850.42%
Native Hawaiian or Pacific Islander10%

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

38.9

Total

38.8

Male

39.1

Female

McClain County, Oklahoma Adults

There are 32,695 adults, (6,750 of whom are seniors) in McClain County, Oklahoma.

McClain County, Oklahoma Age Dependency

68.7

Age Dependency Ratio

26

Old Age Dependency Ratio

42.7

Child Dependency Ratio

McClain County, Oklahoma Sex Ratio

Female21,91550.06%
Male21,86449.94%

McClain County, Oklahoma Population by Age

McClain County, Oklahoma Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All16,0252.7178.521.5
Married9,9143.2185.814.2
Non Family4,0561.1667.132.9
Female1,3153.4160.839.2
Male7403.3474.625.4

3.18

Average Family Size

2.71

Average Household Size

78.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

McClain County, Oklahoma Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade2,5658.74%
Associates Degree1,8996.47%
Bachelors Degree5,79919.76%
Graduate Degree2,4298.28%
High School Graduate9,14131.16%
Less Than 9th Grade7662.61%
Some College6,74122.98%

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

Race
Total
High School
Bachelors
White23,56621,4176,777
2+ Races2,7392,149691
Hispanic2,1331,312358
Native American1,4701,300492
Other Race47833558
Black28122945
Asian14610655
Islander110

The highest rate of high school graduation is among islander people with a rate of 100%.

The highest rate of bachelors degrees is among asian people with a rate of 37.67%.

McClain County, Oklahoma Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$74,560$95,142$60,730
Graduate Degree$74,302$76,200$72,250
High School Graduate$43,704$53,667$31,949
Less Than 9th Grade$36,306$45,168$25,619
Overall$52,928$62,418$41,417
Some College$48,595$66,543$35,574

$52,928

Average Earnings

$62,418

Average Male

$41,417

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

93.24% of McClain County, Oklahoma residents speak only English, while 6.76% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 6.02% of the population.

McClain County, Oklahoma Language

McClain County, Oklahoma Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White33,2072,3016.93%
Multiple5,00759711.92%
Hispanic4,07349712.2%
Native2,5412128.34%
Black42510123.76%
Other7427910.65%
Asian1846133.15%

7.81%

Overall Poverty Rate

7.54%

Male Poverty Rate

8.07%

Female Poverty Rate

Poverty in McClain County, Oklahoma

The race most likely to be in poverty in McClain County, Oklahoma is Asian, with 33.15% below the poverty level.

The race least likely to be in poverty in McClain County, Oklahoma is White, with 6.93% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.73%. Among those working part-time, it was 8.06%, and for those that did not work, the poverty rate was 14.64%.

McClain County, Oklahoma Poverty

rate

Rate
Poverty
Less Than 9th Grade15.21%
High School9.34%
Some College4.38%
Bachelors or Greater2.59%

McClain County, Oklahoma Poverty Rate by Education

rate

Rate
Poverty
Male Unemployed12%
Female Employed3.64%
Male Employed3.01%
Female Unemployed1.37%

McClain County, Oklahoma Poverty Rate by Employment Status and Sex

McClain County, Oklahoma Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$97,438$117,115
Households$84,778$103,428
Married Families$107,848$126,849
Non Families$41,151$58,759

mean

median

Income by Household Type

McClain County, Oklahoma Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

59.6%

Overall Marriage Rate

59.6%

Male Marriage Rate

59.6%

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

2,653

Number of Veterans

2,453

Male Veterans

200

Female Veterans

War
Veterans
Vietnam987
Second Gulf War961
First Gulf War915
Korea70
World War II0

McClain County, Oklahoma Veterans by War

count

Age Group
Veterans
35 to 54798
65 to 74630
75+534
55 to 64482
18 to 34209

McClain County, Oklahoma Veterans by Age

count

Name
Veterans
% of Total
White2,2688.54%
2+ Races2066.55%
Hispanic1285.06%
Native American985.53%
Black4514.66%
Other Race366.63%

McClain County, Oklahoma Veterans by Race

McClain County, Oklahoma Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

5.11%

Veteran Poverty Rate

31.47%

Veteran Disability Rate

McClain County, Oklahoma Veterans by Education

LaborForceParticipation

64.1%

Labor Force Participation

60.5%

Employment Rate

4.7%

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

69.13%

Born in McClain County, Oklahoma

96.51%

Native Born

3.49%

Foreign Born

1.73%

Non Citizen

1.76%

Naturalized

Place of Birth

96.51% of McClain County, Oklahoma residents were born in the United States, with 69.13% having been born in Oklahoma. 1.73% 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