Demographics of Grundy County, Tennessee

Grundy County, Tennessee had 14,116 people on July 1, 2025, by the Census Bureau’s estimate: +575 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.

Grundy County, in four figures

14,116
Population: July 1, 2025, Vintage 2025 estimate.; +4.2%
Change since July 2020: +575 people.; 42.7 ±0.4
Median age: ACS 2020–⁠2024.; $47,593 ±$6,668
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.

Grundy County, Tennessee's population grew 4.2% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Grundy 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

Grundy County, Tennessee's population grew 4.2% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Grundy 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	13,541	100.0	100.0
2021	13,577	100.3	100.2
2022	13,787	101.8	100.7
2023	13,954	103.0	101.6
2024	14,118	104.3	102.5
2025	14,116	104.2	103.1

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Population of Grundy 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	13,541	+15	−24	0	+41
2021	13,577	+36	−79	0	+113
2022	13,787	+210	−63	−2	+264
2023	13,954	+167	−74	−2	+237
2024	14,118	+164	−74	+3	+233
2025	14,116	−2	−75	+1	+72

Age, 2020–2024

The median age is 42.7 ±0.4: for men 42.4 ±0.4 and for women 43.9 ±1.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Grundy County by age, ACS 2020–2024
Age	People	Share	Tennessee	United States
Under 5	826 ±38	6.0% ±0.3	5.8% ±<0.1	5.6% ±<0.1
5 to 17	2,151 ±180	15.6% ±1.3	16.4% ±0.1	16.3% ±<0.1
18 to 24	1,004 ±171	7.3% ±1.2	8.9% ±0.1	9.1% ±<0.1
25 to 44	3,243 ±186	23.5% ±1.3	26.7% ±0.1	26.9% ±<0.1
45 to 64	3,733 ±226	27.0% ±1.6	25.2% ±0.1	24.8% ±<0.1
65 and over	2,862 ±235	20.7% ±1.7	17.1% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $47,593 ±$6,668, and income per person $25,175 ±$2,374, 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 Grundy County by income, ACS 2020–2024
Household income	Households	Share	Tennessee	United States
Under $25,000	1,125 ±223	21.8% ±4.3	16.6% ±0.2	14.6% ±<0.1
$25,000 to $49,999	1,520 ±239	29.5% ±4.5	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,278 ±235	24.8% ±4.5	17.3% ±0.2	15.5% ±<0.1
$75,000 to $99,999	480 ±129	9.3% ±2.5	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	479 ±116	9.3% ±2.2	16.8% ±0.2	17.5% ±<0.1
$150,000 to $199,999	132 ±56	2.6% ±1.1	7.7% ±0.1	9.6% ±<0.1
$200,000 or more	73 to 221	1.4% to 4.3%	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 Grundy County by age, ACS 2020–2024
Age	Below poverty	Rate	Tennessee	United States
All ages	2,552 ±453	18.9% ±3.3	13.8% ±0.2	12.5% ±0.1
Under 18	593 ±180	20.8% ±5.9	18.8% ±0.4	16.1% ±0.1
18 to 59	1,311 ±278	18.9% ±3.8	12.7% ±0.2	11.6% ±0.1
60 and over	648 ±156	17.4% ±4.0	11.4% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in Grundy County, ACS 2020–2024
Measure	Grundy County	Tennessee	United States
Housing units	6,240 ±31	3,143,670 ±903	143,775,355 ±10,234
Occupied	82.7% ±2.6	89.8% ±0.2	89.9% ±0.1
Vacant	17.3% ±2.6	10.2% ±0.2	10.1% ±0.1
Owner occupied	83.7% ±3.1	66.9% ±0.3	65.2% ±0.3
Renter occupied	16.3% ±3.3	33.1% ±0.3	34.8% ±0.1
Median home value	$154,000 ±$8,605	$286,700 ±$1,492	$332,700 ±$236
Median gross rent	$636 ±$76	$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 Grundy County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Tennessee	United States
Hispanic or Latino	10 to 102	0.1% to 0.7%	7.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	12,956 ±45	93.8% ±0.3	71.0% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	25 to 99	0.2% to 0.7%	15.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	105 ±3	0.8% ±<0.1	1.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	2 to 30	< 0.1% to 0.2%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 22	0% to 0.2%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 6	0% to < 0.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	622 ±72	4.5% ±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 Grundy County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Tennessee	United States
Born in the state	10,843 ±350	78.5% ±2.5	57.2% ±0.2	57.3% ±<0.1
Born in another state	2,868 ±350	20.8% ±2.5	35.7% ±0.2	26.9% ±<0.1
Born a citizen outside the states	4 to 36	< 0.1% to 0.3%	1.0% ±<0.1	1.7% ±<0.1
Born abroad	88 ±22	0.6% ±0.2	6.1% ±0.1	14.1% ±<0.1
Naturalized citizens	10 to 58	0.1% to 0.4%	2.4% ±0.1	7.4% ±<0.1
Not citizens	23 to 85	0.2% to 0.6%	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%.

Grundy County among the counties of Tennessee

82nd of 95 by population, July 2025. Every one is listed on the Tennessee page.

Counties of Tennessee near Grundy County in population, July 2025
County	July 2025	Change since 2020
Benton County	16,183	+2.1%
Bledsoe County	15,920	+6.5%
Cannon County	15,296	+5.0%
Stewart County	14,439	+5.3%
Meigs County	14,186	+10.8%
Grundy County	14,116	+4.2%
Crockett County	14,006	+0.7%
Lewis County	13,487	+7.0%
Trousdale County	12,623	+8.4%
Jackson County	12,466	+7.1%
Decatur County	11,820	+3.4%

Elsewhere on the site

Rankings this appears in

No. 17 Counties by homeownership rate
No. 59 Counties by population growth in Tennessee
No. 82 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