Demographics of Jefferson County, Tennessee

Jefferson County, Tennessee had 60,024 people on July 1, 2025, by the Census Bureau’s estimate: +5,127 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.

Jefferson County, in four figures

60,024
Population: July 1, 2025, Vintage 2025 estimate.; +9.3%
Change since July 2020: +5,127 people.; 44.3 ±0.5
Median age: ACS 2020–⁠2024.; $66,114 ±$2,864
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.

Jefferson County, Tennessee's population grew 9.3% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Jefferson 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

Jefferson County, Tennessee's population grew 9.3% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Jefferson 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	54,897	100.0	100.0
2021	55,535	101.2	100.2
2022	56,695	103.3	100.7
2023	57,849	105.4	101.6
2024	59,217	107.9	102.5
2025	60,024	109.3	103.1

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Population of Jefferson 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	54,897	+231	−40	0	+291
2021	55,535	+638	−315	+14	+944
2022	56,695	+1,160	−353	+65	+1,373
2023	57,849	+1,154	−286	+83	+1,327
2024	59,217	+1,368	−223	+95	+1,478
2025	60,024	+807	−229	−3	+1,047

Age, 2020–2024

The median age is 44.3 ±0.5: for men 43.4 ±0.5 and for women 45.7 ±0.6. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Jefferson County by age, ACS 2020–2024
Age	People	Share	Tennessee	United States
Under 5	2,619 ±107	4.6% ±0.2	5.8% ±<0.1	5.6% ±<0.1
5 to 17	8,314 ±527	14.6% ±0.9	16.4% ±0.1	16.3% ±<0.1
18 to 24	4,723 ±405	8.3% ±0.7	8.9% ±0.1	9.1% ±<0.1
25 to 44	13,079 ±571	23.0% ±1.0	26.7% ±0.1	26.9% ±<0.1
45 to 64	16,365 ±649	28.8% ±1.1	25.2% ±0.1	24.8% ±<0.1
65 and over	11,764 ±705	20.7% ±1.2	17.1% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $66,114 ±$2,864, and income per person $37,086 ±$4,300, 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 Jefferson County by income, ACS 2020–2024
Household income	Households	Share	Tennessee	United States
Under $25,000	2,938 ±480	13.5% ±2.2	16.6% ±0.2	14.6% ±<0.1
$25,000 to $49,999	5,191 ±610	23.8% ±2.7	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	4,043 ±541	18.5% ±2.4	17.3% ±0.2	15.5% ±<0.1
$75,000 to $99,999	3,075 ±425	14.1% ±1.9	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	4,152 ±575	19.0% ±2.6	16.8% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,110 ±265	5.1% ±1.2	7.7% ±0.1	9.6% ±<0.1
$200,000 or more	1,308 ±331	6.0% ±1.5	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).

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Poverty rate in Jefferson County by age, ACS 2020–2024
Age	Below poverty	Rate	Tennessee	United States
All ages	6,290 ±1,118	11.4% ±2.0	13.8% ±0.2	12.5% ±0.1
Under 18	1,703 ±440	15.9% ±4.0	18.8% ±0.4	16.1% ±0.1
18 to 59	2,810 ±522	9.8% ±1.8	12.7% ±0.2	11.6% ±0.1
60 and over	1,777 ±413	11.2% ±2.5	11.4% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Jefferson County, ACS 2020–2024
Measure	Jefferson County	Tennessee	United States
Housing units	25,632 ±102	3,143,670 ±903	143,775,355 ±10,234
Occupied	85.1% ±2.2	89.8% ±0.2	89.9% ±0.1
Vacant	14.9% ±2.2	10.2% ±0.2	10.1% ±0.1
Owner occupied	75.8% ±2.4	66.9% ±0.3	65.2% ±0.3
Renter occupied	24.2% ±2.5	33.1% ±0.3	34.8% ±0.1
Median home value	$229,300 ±$12,829	$286,700 ±$1,492	$332,700 ±$236
Median gross rent	$904 ±$45	$1,189 ±$7	$1,413 ±$2
Median year built	1991 ±1	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 Jefferson County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Tennessee	United States
Hispanic or Latino	2,648 ±0	4.7% ±<0.1	7.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	50,968 ±305	89.6% ±0.5	71.0% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	841 ±160	1.5% ±0.3	15.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	300 ±76	0.5% ±0.1	1.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	7 to 65	< 0.1% to 0.1%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 9	0% to < 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	138 to 558	0.2% to 1.0%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,722 ±262	3.0% ±0.5	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 Jefferson County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Tennessee	United States
Born in the state	33,174 ±1,124	58.3% ±2.0	57.2% ±0.2	57.3% ±<0.1
Born in another state	21,884 ±1,103	38.5% ±1.9	35.7% ±0.2	26.9% ±<0.1
Born a citizen outside the states	742 ±273	1.3% ±0.5	1.0% ±<0.1	1.7% ±<0.1
Born abroad	1,064 ±206	1.9% ±0.4	6.1% ±0.1	14.1% ±<0.1
Naturalized citizens	589 ±156	1.0% ±0.3	2.4% ±0.1	7.4% ±<0.1
Not citizens	475 ±202	0.8% ±0.4	3.7% ±0.1	6.8% ±<0.1

Jefferson County among the counties of Tennessee

26th of 95 by population, July 2025. Every one is listed on the Tennessee page.

Counties of Tennessee near Jefferson County in population, July 2025
County	July 2025	Change since 2020
Hamblen County	68,843	+6.6%
Cumberland County	66,300	+8.0%
Loudon County	63,764	+15.6%
Coffee County	62,419	+7.4%
Tipton County	62,287	+2.0%
Jefferson County	60,024	+9.3%
Hawkins County	59,559	+5.0%
Dickson County	58,662	+7.7%
McMinn County	57,404	+7.6%
Roane County	57,395	+6.9%
Carter County	57,361	+1.7%

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