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)
White46,85886.25%
Two or more races3,5526.54%
Black or African American2,0363.75%
Asian9071.67%
Other race7001.29%
Native Hawaiian or Pacific Islander1590.29%
Native American1190.22%

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

31.3

Total

30.4

Male

32.5

Female

Johnson County, Missouri Adults

There are 42,343 adults, (7,013 of whom are seniors) in Johnson County, Missouri.

Johnson County, Missouri Age Dependency

53.8

Age Dependency Ratio

19.8

Old Age Dependency Ratio

33.9

Child Dependency Ratio

Johnson County, Missouri Sex Ratio

Female26,53848.85%
Male27,79351.15%

Johnson County, Missouri Population by Age

Johnson County, Missouri Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All20,6802.4363.936.1
Married10,2813.0879.520.5
Non Family7,7621.3645.554.5
Female1,6283.365248
Male1,0092.596535

2.97

Average Family Size

2.43

Average Household Size

63.9%

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 Grade1,3474.19%
Associates Degree3,39010.54%
Bachelors Degree5,57217.32%
Graduate Degree3,79011.78%
High School Graduate10,58332.9%
Less Than 9th Grade8592.67%
Some College6,62920.61%

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
White27,98426,2138,252
2+ Races1,4181,249356
Hispanic1,153989315
Black1,083988170
Asian534494221
Other Race404366212
Islander1161160
Native American62484

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 52.48%.

Johnson County, Missouri Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$49,061$58,245$42,474
Graduate Degree$59,976$90,384$49,819
High School Graduate$39,642$50,243$29,178
Less Than 9th Grade$44,405$48,542$36,352
Overall$45,394$52,547$38,385
Some College$42,159$44,962$37,912

$45,394

Average Earnings

$52,547

Average Male

$38,385

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

95.03% of Johnson County, Missouri residents speak only English, while 4.97% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.03% of the population.

Johnson County, Missouri Language

Johnson County, Missouri Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White42,5584,68811.02%
Black1,45434223.52%
Multiple3,33133810.15%
Hispanic2,55033413.1%
Asian82327433.29%
Islander1597245.28%
Other665406.02%
Native8511.18%

11.89%

Overall Poverty Rate

9.23%

Male Poverty Rate

14.65%

Female Poverty Rate

Poverty in Johnson County, Missouri

The race most likely to be in poverty in Johnson County, Missouri is Islander, with 45.28% below the poverty level.

The race least likely to be in poverty in Johnson County, Missouri is Native, with 1.18% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.28%. Among those working part-time, it was 24.04%, and for those that did not work, the poverty rate was 17.82%.

Johnson County, Missouri Poverty

rate

Rate
Poverty
Less Than 9th Grade18.33%
High School12.07%
Some College6.34%
Bachelors or Greater3.09%

Johnson County, Missouri Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed39.64%
Male Unemployed18.33%
Female Employed13.95%
Male Employed5.9%

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$84,892$100,638
Households$67,123$82,729
Married Families$92,977$110,487
Non Families$41,897$49,634

mean

median

Income by Household Type

Johnson County, Missouri Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

48.4%

Overall Marriage Rate

48.0%

Male Marriage Rate

48.8%

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 35-44.

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

5,204

Number of Veterans

4,313

Male Veterans

891

Female Veterans

War
Veterans
Second Gulf War2,502
First Gulf War1,838
Vietnam1,141
Korea199
World War II15

Johnson County, Missouri Veterans by War

count

Age Group
Veterans
35 to 541,421
55 to 641,124
18 to 341,058
65 to 741,002
75+599

Johnson County, Missouri Veterans by Age

count

Name
Veterans
% of Total
White4,45113.05%
Black31919.68%
2+ Races25013.25%
Hispanic15810.93%
Other Race14629.08%
Asian253.51%
Native American1319.4%

Johnson County, Missouri Veterans by Race

Johnson County, Missouri Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

4.23%

Veteran Poverty Rate

24.75%

Veteran Disability Rate

Johnson County, Missouri Veterans by Education

LaborForceParticipation

65.7%

Labor Force Participation

55.1%

Employment Rate

4.9%

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

58.99%

Born in Johnson County, Missouri

97.18%

Native Born

2.82%

Foreign Born

1.79%

Non Citizen

1.03%

Naturalized

Place of Birth

97.18% of Johnson County, Missouri residents were born in the United States, with 58.99% having been born in Missouri. 1.79% 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