United States › Tennessee › Johnson County COUNTY · 2020 ACS
Johnson County Tennessee · 17,948 residents · 298 sq mi
Time machine
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The short version
Johnson County is home to 17,948 people in Tennessee. At a median age of 47.6, this is an older place than the country as a whole. 12% of adults hold a bachelor's degree, below the 33% national rate. 23.7% of locals live below the federal poverty line. 75% of homes are owner-occupied. The foreign-born share is 2%.
At a glance
Lower income
below the US median
US median: $66,278
Older
median age 47.6
US median: 38.8
Less educated
12% hold a bachelor's degree
US average: 33%
Less affordable
home values up 45%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 40.0 in 2000
US average: 38.8
Population, 1990 – 2024
13K 15K 16K 17K 19K 1990 2000 2010 2020 2024 Johnson County Age distribution, 2020
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Section 02
Income & economy $38,090
+10%inflation adjusted, since 2000
from $23,067 in 2000
US average: $66,278
from $13,388 in 2000
US average: $35,364
Households earning $100K+
from 11.8% in 2009
US average: 43.9%
from 22.6% in 2000
US average: 12.8%
Workforce by industry, 2020
Public administration 4.9%
Agriculture, forestry, fishing 3.8%
Professional, scientific, technical 3.3%
Transportation & warehousing 1.3%
Education & health services 1.3%
Arts, entertainment, food 0.2%
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$133,700
+45%inflation adjusted, since 2000
from $61,300 in 2000
US average: $265,253
$552
+7%inflation adjusted, since 2000
from $344 in 2000
US average: $1,124
from 79.7% in 2000
25.0% rent
from 2.29 people in 2009
US average: 2.61
from 3.2 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 95.8%(16,761)
Hispanic / Latino 0.9%(150)
2020
White, non-Hispanic 89.8%(16,126)
Hispanic / Latino 2.9%(516)
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 12 more ancestry groups with data from 6.9% in 2000
US average: 32.9%
High school or higher
from 58.4% in 2000
US average: 88.5%
from 2.1% in 2000
US average: 12.7%
Section 06
Commute & transportation from 24.5 min in 2000
US average: 26.9
from 79.3% in 2009
US average: 75.1%
from 4.7% in 2009
US average: 8.4%
Section 07
Work & employment from 13.2% in 2011
US average: 5.4%
from 48.6% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 23.7% in 2009
US average: 39.3%
Section 08
People & community from 1.1% in 2009
US average: 13.5%
from 14.3% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 31.6%(2,677)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 14.3% in 2013
US average: 8.8%
Direct-purchase
US average: 13.7%
VA health care
US average: 2.3%
Any private
US average: 68.1%
Any public
US average: 35.2%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2020
Gulf War (2001 or later) 11.9%(179)
Gulf War (1990s) 13.6%(204)
Share of the 1,503 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
Places similar to Johnson County Head to head
Compare Johnson County to nearby counties JOHNSON COUNTY VS
Watauga County
Income $51,693 +36%
Home value $358,900 +168%
Population 54,786 +193%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Carter County
Income $50,135 +32%
Home value $168,200 +26%
Population 57,361 +206%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Bristol
Income $50,404 +32%
Home value $184,100 +38%
Population 16,418 −12%
SEE FULL COMPARISON →
JOHNSON COUNTY VS
Ashe County
Income $56,866 +49%
Home value $243,100 +82%
Population 27,514 +47%
SEE FULL COMPARISON →
Frequently asked
How many people live in Johnson County, Tennessee? Johnson County, Tennessee has about 17,948 residents according to the 2020 American Community Survey.
What is the median household income in Johnson County, Tennessee? The typical household in Johnson County, Tennessee earns about $38,090 a year. Half of households make more than that, and half make less.
Is Johnson County, Tennessee expensive? In Johnson County, Tennessee, the median home is worth about $133,700, and the typical rent is about $552 a month.
How educated are people in Johnson County, Tennessee? About 11.9% of adults age 25 and over in Johnson County, Tennessee hold a bachelor's degree or higher.
What is the poverty rate in Johnson County, Tennessee? About 23.7% of people in Johnson County, Tennessee live below the federal poverty line.
Has Johnson County, Tennessee grown since 1990? Yes, Johnson County, Tennessee has grown since 1990. The population has added about 4,182 residents, a change of about 30 percent over that period.
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