Demographics of Dyer County, Tennessee

Dyer County, Tennessee had 36,320 people on July 1, 2025, by the Census Bureau’s estimate: −390 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.

Dyer County, in four figures

36,320
Population: July 1, 2025, Vintage 2025 estimate.; −1.1%
Change since July 2020: −390 people.; 40.2 ±0.6
Median age: ACS 2020–⁠2024.; $58,154 ±$3,239
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.

Dyer County, Tennessee's population shrank 1.1% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Dyer 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

Dyer County, Tennessee's population shrank 1.1% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Dyer 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	36,710	100.0	100.0
2021	36,621	99.8	100.2
2022	36,415	99.2	100.7
2023	36,495	99.4	101.6
2024	36,484	99.4	102.5
2025	36,320	98.9	103.1

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Population of Dyer 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	36,710	−89	−15	0	−74
2021	36,621	−89	−138	0	+15
2022	36,415	−206	−184	0	+5
2023	36,495	+80	−59	−3	+153
2024	36,484	−11	−53	+1	+47
2025	36,320	−164	−45	−18	−104

Age, 2020–2024

The median age is 40.2 ±0.6: for men 39.7 ±1.0 and for women 40.6 ±0.8. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Dyer County by age, ACS 2020–2024
Age	People	Share	Tennessee	United States
Under 5	2,174 ±148	6.0% ±0.4	5.8% ±<0.1	5.6% ±<0.1
5 to 17	6,493 ±446	17.8% ±1.2	16.4% ±0.1	16.3% ±<0.1
18 to 24	2,874 ±336	7.9% ±0.9	8.9% ±0.1	9.1% ±<0.1
25 to 44	8,942 ±474	24.5% ±1.3	26.7% ±0.1	26.9% ±<0.1
45 to 64	9,552 ±616	26.2% ±1.7	25.2% ±0.1	24.8% ±<0.1
65 and over	6,473 ±597	17.7% ±1.6	17.1% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $58,154 ±$3,239, and income per person $37,772 ±$7,438, 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 Dyer County by income, ACS 2020–2024
Household income	Households	Share	Tennessee	United States
Under $25,000	3,386 ±523	22.9% ±3.5	16.6% ±0.2	14.6% ±<0.1
$25,000 to $49,999	2,727 ±442	18.5% ±3.0	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	3,287 ±603	22.3% ±4.0	17.3% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,678 ±306	11.4% ±2.1	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	2,169 ±424	14.7% ±2.8	16.8% ±0.2	17.5% ±<0.1
$150,000 to $199,999	775 ±230	5.2% ±1.6	7.7% ±0.1	9.6% ±<0.1
$200,000 or more	747 ±251	5.1% ±1.7	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 Dyer County by age, ACS 2020–2024
Age	Below poverty	Rate	Tennessee	United States
All ages	5,862 ±843	16.3% ±2.3	13.8% ±0.2	12.5% ±0.1
Under 18	1,756 ±341	20.5% ±3.7	18.8% ±0.4	16.1% ±0.1
18 to 59	2,807 ±419	15.1% ±2.2	12.7% ±0.2	11.6% ±0.1
60 and over	1,299 ±389	14.8% ±4.3	11.4% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Dyer County, ACS 2020–2024
Measure	Dyer County	Tennessee	United States
Housing units	16,311 ±25	3,143,670 ±903	143,775,355 ±10,234
Occupied	90.5% ±2.4	89.8% ±0.2	89.9% ±0.1
Vacant	9.5% ±2.3	10.2% ±0.2	10.1% ±0.1
Owner occupied	61.9% ±3.3	66.9% ±0.3	65.2% ±0.3
Renter occupied	38.1% ±3.4	33.1% ±0.3	34.8% ±0.1
Median home value	$166,400 ±$9,939	$286,700 ±$1,492	$332,700 ±$236
Median gross rent	$782 ±$48	$1,189 ±$7	$1,413 ±$2
Median year built	1978 ±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 Dyer County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Tennessee	United States
Hispanic or Latino	1,444 ±0	4.0% ±<0.1	7.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	28,091 ±223	76.9% ±0.6	71.0% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	5,489 ±306	15.0% ±0.8	15.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	226 ±53	0.6% ±0.1	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 30	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 30	0% to 0.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,235 ±375	3.4% ±1.0	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 Dyer County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Tennessee	United States
Born in the state	27,166 ±840	74.4% ±2.3	57.2% ±0.2	57.3% ±<0.1
Born in another state	8,405 ±876	23.0% ±2.4	35.7% ±0.2	26.9% ±<0.1
Born a citizen outside the states	193 ±88	0.5% ±0.2	1.0% ±<0.1	1.7% ±<0.1
Born abroad	744 ±204	2.0% ±0.6	6.1% ±0.1	14.1% ±<0.1
Naturalized citizens	300 ±129	0.8% ±0.4	2.4% ±0.1	7.4% ±<0.1
Not citizens	444 ±166	1.2% ±0.5	3.7% ±0.1	6.8% ±<0.1

Dyer County among the counties of Tennessee

44th of 95 by population, July 2025. Every one is listed on the Tennessee page.

Counties of Tennessee near Dyer County in population, July 2025
County	July 2025	Change since 2020
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%
Dyer County	36,320	−1.1%
Rhea County	34,844	+4.6%
Weakley County	33,261	+1.1%
Claiborne County	33,229	+3.6%
Henry County	32,896	+2.3%
Giles County	31,433	+3.6%

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