Demographics of Fentress County, Tennessee

Fentress County, Tennessee had 20,322 people on July 1, 2025, by the Census Bureau’s estimate: +1,789 since July 2020. Age, income, poverty, housing and origin below come from the American Community Survey, averaged over 2020–2024, each with its margin of error.

Fentress County, in four figures

20,322
Population: July 1, 2025, Vintage 2025 estimate.; +9.7%
Change since July 2020: +1,789 people.; 46.9 ±0.4
Median age: ACS 2020–⁠2024.; $51,149 ±$3,253
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. Each year's change is births less deaths, net moves from abroad and net moves from elsewhere in the country, with the Bureau's small residual. The 2020 row's components run 3 months, from the April census to July 1.

Fentress County, Tennessee's population grew 9.7% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Fentress County, Tennessee's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Fentress County, Tennessee's population grew 9.7% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Fentress County, Tennessee's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	18,533	100.0	100.0
2021	18,839	101.7	100.2
2022	19,318	104.2	100.7
2023	19,651	106.0	101.6
2024	20,021	108.0	102.5
2025	20,322	109.7	103.1

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Population of Fentress County, Tennessee on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	18,533	+46	−36	0	+88
2021	18,839	+306	−163	0	+494
2022	19,318	+479	−191	+6	+630
2023	19,651	+333	−164	−3	+488
2024	20,021	+370	−153	+1	+515
2025	20,322	+301	−160	−2	+465

Age, 2020–2024

The median age is 46.9 ±0.4: for men 43.2 ±2.2 and for women 48.2 ±0.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Fentress County by age, ACS 2020–2024
Age	People	Share	Tennessee	United States
Under 5	1,031 ±58	5.3% ±0.3	5.8% ±<0.1	5.6% ±<0.1
5 to 17	2,904 ±347	15.0% ±1.8	16.4% ±0.1	16.3% ±<0.1
18 to 24	1,397 ±196	7.2% ±1.0	8.9% ±0.1	9.1% ±<0.1
25 to 44	4,073 ±373	21.1% ±1.9	26.7% ±0.1	26.9% ±<0.1
45 to 64	5,406 ±365	28.0% ±1.9	25.2% ±0.1	24.8% ±<0.1
65 and over	4,498 ±419	23.3% ±2.2	17.1% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $51,149 ±$3,253, and income per person $24,226 ±$1,624, in 2024 dollars. The median is $69,595 ±$429 in Tennessee and $80,734 ±$166 in the United States.

Households by income

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Households in Fentress County by income, ACS 2020–2024
Household income	Households	Share	Tennessee	United States
Under $25,000	2,078 ±319	26.5% ±4.0	16.6% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,707 ±287	21.8% ±3.6	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,794 ±318	22.9% ±4.0	17.3% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,180 ±269	15.1% ±3.4	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	819 ±236	10.5% ±3.0	16.8% ±0.2	17.5% ±<0.1
$150,000 to $199,999	97 ±47	1.2% ±0.6	7.7% ±0.1	9.6% ±<0.1
$200,000 or more	65 to 247	0.8% to 3.2%	9.0% ±0.1	13.4% ±0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Fentress County by age, ACS 2020–2024
Age	Below poverty	Rate	Tennessee	United States
All ages	3,983 ±749	21.0% ±3.9	13.8% ±0.2	12.5% ±0.1
Under 18	935 ±244	24.9% ±5.8	18.8% ±0.4	16.1% ±0.1
18 to 59	1,836 ±417	20.3% ±4.4	12.7% ±0.2	11.6% ±0.1
60 and over	1,212 ±278	19.6% ±4.2	11.4% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Fentress County, ACS 2020–2024
Measure	Fentress County	Tennessee	United States
Housing units	9,260 ±36	3,143,670 ±903	143,775,355 ±10,234
Occupied	84.6% ±2.8	89.8% ±0.2	89.9% ±0.1
Vacant	15.4% ±2.8	10.2% ±0.2	10.1% ±0.1
Owner occupied	82.6% ±3.0	66.9% ±0.3	65.2% ±0.3
Renter occupied	17.4% ±2.4	33.1% ±0.3	34.8% ±0.1
Median home value	$168,200 ±$13,978	$286,700 ±$1,492	$332,700 ±$236
Median gross rent	$709 ±$199	$1,189 ±$7	$1,413 ±$2
Median year built	1987 ±3	1987 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Fentress County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Tennessee	United States
Hispanic or Latino	413 ±0	2.1% ±<0.1	7.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	18,160 ±204	94.0% ±1.1	71.0% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	10 to 72	0.1% to 0.4%	15.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	5 to 79	< 0.1% to 0.4%	1.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 22	0% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 28	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 22	0% to 0.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	643 ±222	3.3% ±1.1	3.7% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Fentress County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Tennessee	United States
Born in the state	13,119 ±628	67.9% ±3.3	57.2% ±0.2	57.3% ±<0.1
Born in another state	5,727 ±586	29.7% ±3.0	35.7% ±0.2	26.9% ±<0.1
Born a citizen outside the states	85 to 349	0.4% to 1.8%	1.0% ±<0.1	1.7% ±<0.1
Born abroad	116 to 376	0.6% to 1.9%	6.1% ±0.1	14.1% ±<0.1
Naturalized citizens	66 to 256	0.3% to 1.3%	2.4% ±0.1	7.4% ±<0.1
Not citizens	0 to 170	0% to 0.9%	3.7% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Fentress County among the counties of Tennessee

68th of 95 by population, July 2025. Every one is listed on the Tennessee page.

Counties of Tennessee near Fentress County in population, July 2025
County	July 2025	Change since 2020
Scott County	22,671	+3.6%
Morgan County	22,160	+5.3%
DeKalb County	21,873	+8.4%
Union County	21,450	+8.1%
Smith County	20,981	+5.1%
Fentress County	20,322	+9.7%
Humphreys County	19,646	+3.4%
Johnson County	18,718	+4.1%
Polk County	18,592	+5.9%
Chester County	17,994	+3.5%
Sequatchie County	17,861	+12.7%

Elsewhere on the site

Rankings this appears in

No. 12 Counties by population growth in Tennessee
No. 68 Counties by population in Tennessee

Sources

Census Bureau population estimates — counties and Puerto Rico municipios, with components of change — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — counties and Puerto Rico municipios, with components of change and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026