Johnson County, Tennessee Population 2024

18,704

Johnson County, Tennessee's estimated 2024 population is 18,704 with a growth rate of 1.79% in the past year according to the most recent United States census data. Johnson County, Tennessee is the 70th largest county in Tennessee. The 2010 population was 18,287 and has seen a growth of 2.28% since that time.

Note: data after 2022 is projected based on recent change
Year
Population
Growth
Change
202920,3493291.64%
202820,0203291.67%
202719,6913291.7%
202619,3623291.73%
202519,0333291.76%
202418,7043291.79%
202318,3753291.82%
202218,046-7-0.04%
202118,053630.35%
202017,9902171.22%
201917,773140.08%
201817,7591480.84%
201717,611-171-0.96%
201617,782-69-0.39%
201517,851-91-0.51%
201417,942-78-0.43%
201318,020-144-0.79%
201218,164-63-0.35%
201118,227-60-0.33%
201018,28700%
199013,766210.15%
198013,7452,17618.81%
197011,5698047.47%
196010,765-1,513-12.32%
195012,278-720-5.54%
194012,9987896.46%
193012,209-21-0.17%
192012,230-961-7.29%
191013,1912,60224.57%
190010,5891,73119.54%
18908,8581,09214.06%
18807,7661,91432.71%
18705,85283416.62%
18605,0181,31335.44%
18503,7051,04739.39%
18402,658-17,691-86.94%
2024 Growth Rate
1.79% (329)
County Seat
Mountain City
2020 Population
17,990
Area
298 mi²
Density
63 people/mi²
Growth Since 2020
3.97% (714)
Founded
1836

Population by Race

Race
Population
Percentage (of total)
White16,45991.53%
Black or African American6573.65%
Two or more races6283.49%
Other race1070.6%
Native American1020.57%
Asian290.16%
Native Hawaiian or Pacific Islander00%

White

Black or African American

Two or more races

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Johnson County, Tennessee Population by Race

Johnson County, Tennessee Population Pyramid 2024

Johnson County, Tennessee Median Age

46.2

Total

43.1

Male

50.1

Female

Johnson County, Tennessee Adults

There are 15,007 adults, (4,153 of whom are seniors) in Johnson County, Tennessee.

Johnson County, Tennessee Age Dependency

65.7

Age Dependency Ratio

38.3

Old Age Dependency Ratio

27.4

Child Dependency Ratio

Johnson County, Tennessee Sex Ratio

Female8,17845.48%
Male9,80454.52%

Johnson County, Tennessee Population by Age

Johnson County, Tennessee Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All6,8732.3776.223.8
Married3,2732.6788.911.1
Non Family2,2641.360.739.3
Female1,0063.6169.430.6
Male3302.8377.322.7

2.77

Average Family Size

2.37

Average Household Size

76.2%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Johnson County, Tennessee Households and Families

Male

Female

Education Attained
Count
Percentage
9th to 12th Grade1,61511.77%
Associates Degree1,0207.43%
Bachelors Degree1,3339.71%
Graduate Degree7185.23%
High School Graduate5,44239.64%
Less Than 9th Grade7985.81%
Some College2,80120.41%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

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

Johnson County, Tennessee Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Race
Total
High School
Bachelors
White12,47210,3881,843
Black57940528
2+ Races433379126
Hispanic23110426
Other Race726834
Native American623710
Asian28286

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

The highest rate of bachelors degrees is among other race people with a rate of 47.22%.

Johnson County, Tennessee Educational Attainment by Race

All

Male

Female

Name
Average
Male
Female
Bachelors Degree$43,864$53,750$34,118
Graduate Degree$59,194$0$59,543
High School Graduate$27,277$31,123$21,695
Less Than 9th Grade$26,743$26,842$26,629
Overall$34,005$33,858$34,756
Some College$38,167$43,609$37,642

$34,005

Average Earnings

$33,858

Average Male

$34,756

Average Female

Johnson County, Tennessee Earnings by Educational Attainment

Johnson County, Tennessee Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Johnson County, Tennessee Language

96.51% of Johnson County, Tennessee residents speak only English, while 3.49% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.71% of the population.

Johnson County, Tennessee Language

Johnson County, Tennessee Poverty by Race

rate

Name
Total
In Poverty
Poverty Rate
White15,0993,15220.88%
Hispanic36222461.88%
Multiple49015431.43%
Black842023.81%
Native781823.08%
Other8644.65%

21.59%

Overall Poverty Rate

15.51%

Male Poverty Rate

27.74%

Female Poverty Rate

Poverty in Johnson County, Tennessee

The race most likely to be in poverty in Johnson County, Tennessee is Hispanic, with 61.88% below the poverty level.

The race least likely to be in poverty in Johnson County, Tennessee is Other, with 4.65% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.47%. Among those working part-time, it was 22.88%, and for those that did not work, the poverty rate was 28.73%.

Johnson County, Tennessee Poverty

rate

Rate
Poverty
Less Than 9th Grade38.76%
High School17.71%
Some College12.82%
Bachelors or Greater6.82%

Johnson County, Tennessee Poverty Rate by Education

rate

Rate
Poverty
Female Unemployed80.83%
Male Unemployed61.49%
Female Employed8.35%
Male Employed5.96%

Johnson County, Tennessee Poverty Rate by Employment Status and Sex

Johnson County, Tennessee Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Name
Median
Mean
Families$61,899$77,046
Households$47,571$65,146
Married Families$74,832$-999,999,999
Non Families$22,990$35,469

mean

median

Income by Household Type

Johnson County, Tennessee Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

48.5%

Overall Marriage Rate

47.3%

Male Marriage Rate

50.1%

Female Marriage Rate

Johnson County, Tennessee Married by Age and Sex

male

female

Johnson County, Tennessee Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Johnson County, Tennessee Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Johnson County, Tennessee Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

1,411

Number of Veterans

1,353

Male Veterans

58

Female Veterans

War
Veterans
Vietnam545
First Gulf War362
Second Gulf War244
Korea98
World War II6

Johnson County, Tennessee Veterans by War

count

Age Group
Veterans
75+402
65 to 74372
55 to 64292
35 to 54266
18 to 3479

Johnson County, Tennessee Veterans by Age

count

Name
Veterans
% of Total
White1,37010.04%
2+ Races417.81%
Hispanic2911.6%

Johnson County, Tennessee Veterans by Race

Johnson County, Tennessee Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

8.21%

Veteran Poverty Rate

40.61%

Veteran Disability Rate

Johnson County, Tennessee Veterans by Education

LaborForceParticipation

43.8%

Labor Force Participation

41.9%

Employment Rate

4.4%

Unemployment Rate

Johnson County, Tennessee Employment by Age

LaborForceParticipation

Johnson County, Tennessee Employment by Race

LaborForceParticipation

Johnson County, Tennessee 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

46.51%

Born in Johnson County, Tennessee

98.2%

Native Born

1.8%

Foreign Born

1.22%

Non Citizen

0.58%

Naturalized

Place of Birth

98.2% of Johnson County, Tennessee residents were born in the United States, with 46.51% having been born in Tennessee. 1.22% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Johnson County, Tennessee Place of Birth

Sources