Demographics of Warren County, Tennessee

Warren County, Tennessee had 43,717 people on July 1, 2025, by the Census Bureau’s estimate: +2,660 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.

Warren County, in four figures

43,717
Population: July 1, 2025, Vintage 2025 estimate.; +6.5%
Change since July 2020: +2,660 people.; 39.8 ±0.7
Median age: ACS 2020–⁠2024.; $55,487 ±$3,018
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.

Warren County, Tennessee's population grew 6.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Warren 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).

U.S. Census Bureau — Census Bureau population estimates — counties and Puerto Rico municipios, with components of change

About this chart

The figures

Warren County, Tennessee's population grew 6.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Warren 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	41,057	100.0	100.0
2021	41,478	101.0	100.2
2022	41,978	102.2	100.7
2023	42,615	103.8	101.6
2024	43,544	106.1	102.5
2025	43,717	106.5	103.1

3 more columns on a wider screen

Population of Warren 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	41,057	+104	+1	+1	+98
2021	41,478	+421	−161	+25	+558
2022	41,978	+500	−105	+83	+510
2023	42,615	+637	−46	+104	+566
2024	43,544	+929	−76	+106	+892
2025	43,717	+173	−69	+19	+218

Age, 2020–2024

The median age is 39.8 ±0.7: for men 38.4 ±1.4 and for women 40.6 ±0.7. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

2 more columns on a wider screen

People in Warren County by age, ACS 2020–2024
Age	People	Share	Tennessee	United States
Under 5	2,483 ±176	5.9% ±0.4	5.8% ±<0.1	5.6% ±<0.1
5 to 17	7,335 ±574	17.4% ±1.4	16.4% ±0.1	16.3% ±<0.1
18 to 24	3,243 ±342	7.7% ±0.8	8.9% ±0.1	9.1% ±<0.1
25 to 44	10,715 ±526	25.4% ±1.2	26.7% ±0.1	26.9% ±<0.1
45 to 64	10,838 ±530	25.7% ±1.3	25.2% ±0.1	24.8% ±<0.1
65 and over	7,552 ±481	17.9% ±1.1	17.1% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $55,487 ±$3,018, and income per person $29,524 ±$1,797, in 2024 dollars. The median is $69,595 ±$429 in Tennessee and $80,734 ±$166 in the United States.

Households by income

2 more columns on a wider screen

Households in Warren County by income, ACS 2020–2024
Household income	Households	Share	Tennessee	United States
Under $25,000	3,198 ±428	19.7% ±2.6	16.6% ±0.2	14.6% ±<0.1
$25,000 to $49,999	3,932 ±470	24.3% ±2.8	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	3,527 ±485	21.8% ±2.9	17.3% ±0.2	15.5% ±<0.1
$75,000 to $99,999	2,161 ±328	13.3% ±2.0	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,950 ±300	12.0% ±1.8	16.8% ±0.2	17.5% ±<0.1
$150,000 to $199,999	817 ±260	5.0% ±1.6	7.7% ±0.1	9.6% ±<0.1
$200,000 or more	618 ±165	3.8% ±1.0	9.0% ±0.1	13.4% ±0.1

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).

2 more columns on a wider screen

Poverty rate in Warren County by age, ACS 2020–2024
Age	Below poverty	Rate	Tennessee	United States
All ages	6,532 ±1,023	15.7% ±2.5	13.8% ±0.2	12.5% ±0.1
Under 18	1,976 ±407	20.4% ±4.0	18.8% ±0.4	16.1% ±0.1
18 to 59	3,149 ±528	14.5% ±2.4	12.7% ±0.2	11.6% ±0.1
60 and over	1,407 ±329	13.9% ±3.2	11.4% ±0.2	11.0% ±<0.1

Housing, 2020–2024

1 more column on a wider screen

Housing in Warren County, ACS 2020–2024
Measure	Warren County	Tennessee	United States
Housing units	18,537 ±44	3,143,670 ±903	143,775,355 ±10,234
Occupied	87.4% ±2.4	89.8% ±0.2	89.9% ±0.1
Vacant	12.6% ±2.4	10.2% ±0.2	10.1% ±0.1
Owner occupied	72.4% ±2.1	66.9% ±0.3	65.2% ±0.3
Renter occupied	27.6% ±2.5	33.1% ±0.3	34.8% ±0.1
Median home value	$192,900 ±$14,341	$286,700 ±$1,492	$332,700 ±$236
Median gross rent	$827 ±$46	$1,189 ±$7	$1,413 ±$2
Median year built	1979 ±2	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

2 more columns on a wider screen

People in Warren County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Tennessee	United States
Hispanic or Latino	4,199 ±0	10.0% ±<0.1	7.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	35,131 ±102	83.3% ±0.2	71.0% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	1,088 ±291	2.6% ±0.7	15.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	33 to 447	0.1% to 1.1%	1.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 48	0% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 157	0% to 0.4%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 5	0% to < 0.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,419 ±377	3.4% ±0.9	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).

2 more columns on a wider screen

People in Warren County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Tennessee	United States
Born in the state	30,451 ±908	72.2% ±2.2	57.2% ±0.2	57.3% ±<0.1
Born in another state	9,788 ±888	23.2% ±2.1	35.7% ±0.2	26.9% ±<0.1
Born a citizen outside the states	168 to 626	0.4% to 1.5%	1.0% ±<0.1	1.7% ±<0.1
Born abroad	1,530 ±381	3.6% ±0.9	6.1% ±0.1	14.1% ±<0.1
Naturalized citizens	140 to 482	0.3% to 1.1%	2.4% ±0.1	7.4% ±<0.1
Not citizens	1,219 ±330	2.9% ±0.8	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%.

Warren County among the counties of Tennessee

38th of 95 by population, July 2025. Every one is listed on the Tennessee page.

Counties of Tennessee near Warren County in population, July 2025
County	July 2025	Change since 2020
Gibson County	51,779	+2.6%
Monroe County	49,730	+7.2%
Lawrence County	46,914	+6.2%
Franklin County	45,579	+6.4%
Fayette County	45,071	+7.7%
Warren County	43,717	+6.5%
Cheatham County	42,778	+4.1%
Campbell County	40,290	+2.5%
Marshall County	38,071	+10.5%
Cocke County	37,889	+5.1%
Lincoln County	36,853	+4.3%

Elsewhere on the site

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

Data retrieved September 25, 2026