Johnson County, Missouri Population 2024

55,475

Johnson County, Missouri's estimated 2024 population is 55,475 with a growth rate of 0.93% in the past year according to the most recent United States census data. Johnson County, Missouri is the 21st largest county in Missouri. The 2010 population was 52,689 and has seen a growth of 5.29% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202958,0405130.89%
202857,5275130.9%
202757,0145130.91%
202656,5015130.92%
202555,9885130.92%
202455,4755130.93%
202354,9625130.94%
202254,4492550.47%
202154,1941630.3%
202054,031-156-0.29%
201954,1874690.87%
201853,718-175-0.32%
201753,8931710.32%
201653,72250.01%
201553,717-504-0.93%
201454,221-110-0.2%
201354,331-4-0.01%
201254,3359181.72%
201153,4177281.38%
201052,68900%
199042,5143,4558.85%
198039,0594,88714.3%
197034,1725,19117.91%
196028,9818,26539.9%
195020,716-901-4.17%
194021,617-796-3.55%
193022,413-2,486-9.98%
192024,899-1,398-5.32%
191026,297-1,546-5.55%
190027,843-289-1.03%
189028,132-40-0.14%
188028,1723,52414.3%
187024,64810,00468.31%
186014,6447,18096.2%
18507,4642,99366.94%
18404,471-53,569-92.3%
2024 Growth Rate
0.93% (513)
County Website
Johnson County
County Seat
Warrensburg
2020 Population
54,031
Area
829 mi²
Density
67 people/mi²
Growth Since 2020
2.67% (1,444)
Founded
December 13, 1834

Population by Race

Race
Population
Percentage (of total)
White46,86786.75%
Two or more races3,4156.32%
Black or African American1,9323.58%
Asian9691.79%
Other race5340.99%
Native Hawaiian or Pacific Islander1830.34%
Native American1250.23%

White

Two or more races

Black or African American

Asian

Other race

Native Hawaiian or Pacific Islander

Native American

Johnson County, Missouri Population by Race

Johnson County, Missouri Population Pyramid 2024

Johnson County, Missouri Median Age

31

Total

30

Male

32.1

Female

Johnson County, Missouri Adults

There are 42,295 adults, (6,899 of whom are seniors) in Johnson County, Missouri.

Johnson County, Missouri Age Dependency

52.6

Age Dependency Ratio

19.5

Old Age Dependency Ratio

33.1

Child Dependency Ratio

Johnson County, Missouri Sex Ratio

Female26,34748.77%
Male27,67851.23%

Johnson County, Missouri Population by Age

Johnson County, Missouri Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All20,6132.4263.136.9
Married10,2333.0678.421.6
Non Family7,6731.3646.553.5
Female1,6123.294654
Male1,0952.6362.837.2

2.95

Average Family Size

2.42

Average Household Size

63.1%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Johnson County, Missouri Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,5114.79%
Associates Degree3,19810.14%
Bachelors Degree5,06716.07%
Graduate Degree3,89812.36%
High School Graduate10,54233.43%
Less Than 9th Grade8972.84%
Some College6,42420.37%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Johnson County, Missouri Educational Attainment by Sex (over 25)

Johnson County, Missouri Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White27,67125,7717,873
2+ Races1,3221,114322
Hispanic976763240
Black862787223
Asian582530243
Other Race307264140
Islander1401400
Native American64530

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

The highest rate of bachelors degrees is among other race people with a rate of 45.6%.

Johnson County, Missouri Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$48,518$55,015$40,667
Graduate Degree$62,932$88,750$51,661
High School Graduate$38,573$46,132$28,602
Less Than 9th Grade$40,991$46,336$24,919
Overall$45,131$50,959$38,333
Some College$42,917$46,932$40,483

$45,131

Average Earnings

$50,959

Average Male

$38,333

Average Female

Johnson County, Missouri Earnings by Educational Attainment

Johnson County, Missouri Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Johnson County, Missouri Language

95.02% of Johnson County, Missouri residents speak only English, while 4.98% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.95% of the population.

Johnson County, Missouri Language

Johnson County, Missouri Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White42,4134,68411.04%
Hispanic2,45843317.62%
Multiple3,10841313.29%
Black1,23434728.12%
Asian94329531.28%
Islander1837842.62%
Other5237414.15%

12.32%

Overall Poverty Rate

10.55%

Male Poverty Rate

14.13%

Female Poverty Rate

Poverty in Johnson County, Missouri

The race most likely to be in poverty in Johnson County, Missouri is Islander, with 42.62% below the poverty level.

The race least likely to be in poverty in Johnson County, Missouri is White, with 11.04% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.99%. Among those working part-time, it was 25.23%, and for those that did not work, the poverty rate was 18.15%.

Johnson County, Missouri Poverty

rate

Rate
Poverty
Less Than 9th Grade20.55%
High School10.51%
Some College6.99%
Bachelors or Greater3.53%

Johnson County, Missouri Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed44.8%
Male Unemployed32.2%
Female Employed12.79%
Male Employed7.39%

Johnson County, Missouri Poverty Rate by Employment Status and Sex

Johnson County, Missouri Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$80,979$95,078
Households$62,503$78,854
Married Families$89,547$105,415
Non Families$40,023$48,598

mean

median

Income by Household Type

Johnson County, Missouri Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

48.6%

Overall Marriage Rate

48.1%

Male Marriage Rate

49.2%

Female Marriage Rate

Johnson County, Missouri Married by Age and Sex

male

female

Johnson County, Missouri 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 45-54.

Johnson County, Missouri Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Johnson County, Missouri Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

5,363

Number of Veterans

4,431

Male Veterans

932

Female Veterans

War
Veterans
Second Gulf War2,481
First Gulf War1,704
Vietnam1,346
Korea233
World War II84

Johnson County, Missouri Veterans by War

count

Age Group
Veterans
35 to 541,495
65 to 741,062
18 to 341,059
55 to 641,055
75+692

Johnson County, Missouri Veterans by Age

count

Name
Veterans
% of Total
White4,67013.62%
Black27018.82%
2+ Races25713.3%
Hispanic1309.03%
Other Race12132.61%
Asian405.8%
Native American56.1%

Johnson County, Missouri Veterans by Race

Johnson County, Missouri Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.16%

Veteran Poverty Rate

21.27%

Veteran Disability Rate

Johnson County, Missouri Veterans by Education

LaborForceParticipation

65.8%

Labor Force Participation

55.2%

Employment Rate

4.8%

Unemployment Rate

Johnson County, Missouri Employment by Age

LaborForceParticipation

Johnson County, Missouri Employment by Race

LaborForceParticipation

Johnson County, Missouri 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

58.71%

Born in Johnson County, Missouri

96.98%

Native Born

3.02%

Foreign Born

1.78%

Non Citizen

1.24%

Naturalized

Place of Birth

96.98% of Johnson County, Missouri residents were born in the United States, with 58.71% having been born in Missouri. 1.78% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Johnson County, Missouri Place of Birth

Sources