United States › Tennessee › Karns CITY · 2020 ACS
Karns Tennessee · 3,536 residents · 2.99 sq mi
Time machine
COMPARE TO 1990 Census 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
With 3,536 people, Karns is a city in Tennessee. The population has more than doubled since 1990, adding 1,969 people. That is roughly 59% ahead of the Tennessee median. Owners hold 82% of the housing stock. This is an unusually credentialed place: 49% of adults have a four-year degree. 1% of locals were born outside the United States.
At a glance
Wealthier
above the US median
US median: $66,278
Mid-age
median age 37.5
US median: 38.8
More educated
49% hold a bachelor's degree
US average: 33%
Less affordable
home values up 53%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 33.6 in 1990
US average: 38.8
Population, 1990 – 2024
1K 2K 3K 4K 4K 1990 2020 2024 Karns Age distribution, 2020
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Section 02
Income & economy $87,031
+35%inflation adjusted, since 1990
from $32,596 in 1990
US average: $66,278
from $14,075 in 1990
US average: $35,364
Households earning $100K+
US average: 43.9%
from 1.3% in 1990
US average: 12.8%
Workforce by industry, 2020
Transportation & warehousing 6.5%
Professional, scientific, technical 3.8%
Public administration 3.7%
Education & health services 0.9%
Arts, entertainment, food 0.2%
Agriculture, forestry, fishing 0%
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$218,400
+53%inflation adjusted, since 1990
from $71,900 in 1990
US average: $265,253
$1,331
+40%inflation adjusted, since 1990
from $479 in 1990
US average: $1,124
from 81.3% in 1990
18.2% rent
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 1990
White, non-Hispanic 100%(1,567)
2020
White, non-Hispanic 84.9%(3,001)
Hispanic / Latino 3.7%(131)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 7 more ancestry groups with data from 14.5% in 1990
US average: 32.9%
High school or higher
from 77.3% in 1990
US average: 88.5%
from 5.1% in 1990
US average: 12.7%
Section 06
Commute & transportation 19.5 min
Unchangedsince 1990
from 19.4 min in 1990
US average: 26.9
Section 07
Work & employment Women 20-64 in the labor force
US average: 73.3%
Section 08
People & community Computer in household
US average: 91.9%
Marital status (2024)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage 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) 51.4%(152)
Gulf War (1990s) 30.7%(91)
Share of the 296 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 Karns Head to head
Compare Karns to nearby cities KARNS VS
Powell
Income $82,434 −5%
Home value $299,400 +37%
Population 13,739 +234%
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KARNS VS
Farragut
Income $142,093 +63%
Home value $583,400 +167%
Population 25,121 +510%
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KARNS VS
Clinton
Income $68,882 −21%
Home value $225,000 +3%
Population 10,466 +154%
SEE FULL COMPARISON →
KARNS VS
Knoxville
Income $54,039 −38%
Home value $239,700 +10%
Population 202,021 +4809%
SEE FULL COMPARISON →
Frequently asked
How many people live in Karns, Tennessee? Karns, Tennessee has about 3,536 residents according to the 2020 American Community Survey.
What is the median household income in Karns, Tennessee? The typical household in Karns, Tennessee earns about $87,031 a year. Half of households make more than that, and half make less.
Is Karns, Tennessee expensive? In Karns, Tennessee, the median home is worth about $218,400, and the typical rent is about $1,331 a month.
How educated are people in Karns, Tennessee? About 48.6% of adults age 25 and over in Karns, Tennessee hold a bachelor's degree or higher.
What is the poverty rate in Karns, Tennessee? About 4.9% of people in Karns, Tennessee live below the federal poverty line.
Has Karns, Tennessee grown since 1990? Yes, Karns, Tennessee has grown since 1990. The population has added about 1,969 residents, a change of about 126 percent over that period.
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