United States › Tennessee › DeKalb County COUNTY · 2020 ACS
DeKalb County Tennessee · 20,080 residents · 304 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2021 ACS 2022 ACS 2023 ACS 2024 ACS
The short version
DeKalb County is home to 20,080 people in Tennessee. 19% of adults hold a bachelor's degree, below the 33% national rate. At a median age of 43.1, this is an older place than the country as a whole. Home values have more than doubled since 2000, reaching $157,500. 72% of homes are owner-occupied. Median rent is $645 a month.
At a glance
Lower income
below the US median
US median: $66,278
Older
median age 43.1
US median: 38.8
Less educated
19% hold a bachelor's degree
US average: 33%
Less affordable
home values up 26%, inflation adjusted
US median home: $265,253
Section 01
Population & growth from 37.7 in 2000
US average: 38.8
Population, 1990 – 2024
14K 16K 18K 20K 22K 1990 2000 2010 2020 2024 DeKalb County Age distribution, 2020
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Section 02
Income & economy $44,389
−3%inflation adjusted, since 2000
from $30,359 in 2000
US average: $66,278
from $17,217 in 2000
US average: $35,364
Households earning $100K+
from 17.0% in 2009
US average: 43.9%
from 17.0% in 2000
US average: 12.8%
Workforce by industry, 2020
Professional, scientific, technical 5.6%
Transportation & warehousing 4%
Agriculture, forestry, fishing 2.8%
Arts, entertainment, food 1.4%
Education & health services 1.1%
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$157,500
+26%inflation adjusted, since 2000
from $83,200 in 2000
US average: $265,253
$645
+10%inflation adjusted, since 2000
from $389 in 2000
US average: $1,124
from 74.9% in 2000
28.3% rent
from 2.68 people in 2009
US average: 2.61
from 2.8 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 93.8%(16,338)
Hispanic / Latino 3.6%(633)
2020
White, non-Hispanic 87.3%(17,526)
Hispanic / Latino 7.2%(1,449)
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 14 more ancestry groups with data from 11.3% in 2000
US average: 32.9%
High school or higher
from 64.6% in 2000
US average: 88.5%
from 4.8% in 2000
US average: 12.7%
Section 06
Commute & transportation from 18.2 min in 2000
US average: 26.9
from 81.5% in 2009
US average: 75.1%
from 6.0% in 2009
US average: 8.4%
Section 07
Work & employment from 9.6% in 2011
US average: 5.4%
from 57.9% in 2011
US average: 63.4%
Women 20-64 in the labor force
US average: 73.3%
from 25.4% in 2009
US average: 39.3%
Section 08
People & community from 5.1% in 2009
US average: 13.5%
from 15.8% in 2013
US average: 8.8%
Computer in household
US average: 91.9%
Marital status (2024)
Men 15+
Never married 25.6%(2,186)
Women 15+
Never married 21.2%(1,824)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 15.8% 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) 14.6%(183)
Gulf War (1990s) 13.7%(172)
Share of the 1,254 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 DeKalb County Head to head
Compare DeKalb County to nearby counties DEKALB COUNTY VS
Cannon County
Income $59,443 +34%
Home value $252,000 +60%
Population 15,296 −30%
SEE FULL COMPARISON →
DEKALB COUNTY VS
Smith County
Income $66,293 +49%
Home value $243,800 +55%
Population 20,981 −4%
SEE FULL COMPARISON →
DEKALB COUNTY VS
Warren County
Income $55,487 +25%
Home value $192,900 +22%
Population 43,717 +100%
SEE FULL COMPARISON →
DEKALB COUNTY VS
White County
Income $52,188 +18%
Home value $207,200 +32%
Population 29,612 +35%
SEE FULL COMPARISON →
Frequently asked
How many people live in DeKalb County, Tennessee? DeKalb County, Tennessee has about 20,080 residents according to the 2020 American Community Survey.
What is the median household income in DeKalb County, Tennessee? The typical household in DeKalb County, Tennessee earns about $44,389 a year. Half of households make more than that, and half make less.
Is DeKalb County, Tennessee expensive? In DeKalb County, Tennessee, the median home is worth about $157,500, and the typical rent is about $645 a month.
How educated are people in DeKalb County, Tennessee? About 18.9% of adults age 25 and over in DeKalb County, Tennessee hold a bachelor's degree or higher.
What is the poverty rate in DeKalb County, Tennessee? About 19.8% of people in DeKalb County, Tennessee live below the federal poverty line.
Has DeKalb County, Tennessee grown since 1990? Yes, DeKalb County, Tennessee has grown since 1990. The population has added about 5,720 residents, a change of about 40 percent over that period.
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