Demographics of McNairy County, Tennessee

McNairy County, Tennessee had 26,236 people on July 1, 2025, by the Census Bureau’s estimate: +368 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.

McNairy County, in four figures

26,236
Population: July 1, 2025, Vintage 2025 estimate.; +1.4%
Change since July 2020: +368 people.; 42.9 ±0.6
Median age: ACS 2020–⁠2024.; $53,473 ±$3,675
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.

McNairy County, Tennessee's population grew 1.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of McNairy 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

McNairy County, Tennessee's population grew 1.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of McNairy 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	25,868	100.0	100.0
2021	25,858	100.0	100.2
2022	25,968	100.4	100.7
2023	26,066	100.8	101.6
2024	26,137	101.0	102.5
2025	26,236	101.4	103.1

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Population of McNairy 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	25,868	0	−51	0	+47
2021	25,858	−10	−172	+3	+140
2022	25,968	+110	−204	+19	+293
2023	26,066	+98	−179	−2	+276
2024	26,137	+71	−156	−2	+231
2025	26,236	+99	−145	−2	+247

Age, 2020–2024

The median age is 42.9 ±0.6: for men 41.7 ±0.9 and for women 44.7 ±0.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in McNairy County by age, ACS 2020–2024
Age	People	Share	Tennessee	United States
Under 5	1,435 ±91	5.5% ±0.4	5.8% ±<0.1	5.6% ±<0.1
5 to 17	4,165 ±276	16.0% ±1.1	16.4% ±0.1	16.3% ±<0.1
18 to 24	2,045 ±202	7.9% ±0.8	8.9% ±0.1	9.1% ±<0.1
25 to 44	5,964 ±376	23.0% ±1.4	26.7% ±0.1	26.9% ±<0.1
45 to 64	6,951 ±380	26.8% ±1.5	25.2% ±0.1	24.8% ±<0.1
65 and over	5,410 ±358	20.8% ±1.4	17.1% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $53,473 ±$3,675, and income per person $27,905 ±$1,404, 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 McNairy County by income, ACS 2020–2024
Household income	Households	Share	Tennessee	United States
Under $25,000	2,034 ±307	20.5% ±3.0	16.6% ±0.2	14.6% ±<0.1
$25,000 to $49,999	2,630 ±355	26.5% ±3.5	19.4% ±0.2	16.7% ±<0.1
$50,000 to $74,999	1,704 ±241	17.1% ±2.4	17.3% ±0.2	15.5% ±<0.1
$75,000 to $99,999	1,372 ±267	13.8% ±2.7	13.2% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,377 ±235	13.9% ±2.3	16.8% ±0.2	17.5% ±<0.1
$150,000 to $199,999	500 ±149	5.0% ±1.5	7.7% ±0.1	9.6% ±<0.1
$200,000 or more	322 ±110	3.2% ±1.1	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 McNairy County by age, ACS 2020–2024
Age	Below poverty	Rate	Tennessee	United States
All ages	4,225 ±683	16.5% ±2.7	13.8% ±0.2	12.5% ±0.1
Under 18	979 ±268	17.9% ±4.7	18.8% ±0.4	16.1% ±0.1
18 to 59	2,033 ±405	15.7% ±3.0	12.7% ±0.2	11.6% ±0.1
60 and over	1,213 ±260	16.9% ±3.5	11.4% ±0.2	11.0% ±<0.1

Housing, 2020–2024

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Housing in McNairy County, ACS 2020–2024
Measure	McNairy County	Tennessee	United States
Housing units	12,327 ±45	3,143,670 ±903	143,775,355 ±10,234
Occupied	80.6% ±2.5	89.8% ±0.2	89.9% ±0.1
Vacant	19.4% ±2.6	10.2% ±0.2	10.1% ±0.1
Owner occupied	79.7% ±2.3	66.9% ±0.3	65.2% ±0.3
Renter occupied	20.3% ±2.9	33.1% ±0.3	34.8% ±0.1
Median home value	$161,800 ±$8,330	$286,700 ±$1,492	$332,700 ±$236
Median gross rent	$723 ±$36	$1,189 ±$7	$1,413 ±$2
Median year built	1983 ±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 McNairy County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Tennessee	United States
Hispanic or Latino	561 ±0	2.2% ±<0.1	7.4% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	23,102 ±70	89.0% ±0.3	71.0% ±0.1	57.4% ±<0.1
Black alone, not Hispanic	1,394 ±186	5.4% ±0.7	15.4% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	8 to 208	< 0.1% to 0.8%	1.9% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	11 to 81	< 0.1% to 0.3%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 26	0% to 0.1%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 50	0% to 0.2%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	738 ±256	2.8% ±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 McNairy County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Tennessee	United States
Born in the state	16,400 ±680	63.1% ±2.6	57.2% ±0.2	57.3% ±<0.1
Born in another state	9,143 ±702	35.2% ±2.7	35.7% ±0.2	26.9% ±<0.1
Born a citizen outside the states	37 to 227	0.1% to 0.9%	1.0% ±<0.1	1.7% ±<0.1
Born abroad	295 ±137	1.1% ±0.5	6.1% ±0.1	14.1% ±<0.1
Naturalized citizens	78 to 318	0.3% to 1.2%	2.4% ±0.1	7.4% ±<0.1
Not citizens	24 to 170	0.1% to 0.7%	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%.

McNairy County among the counties of Tennessee

57th of 95 by population, July 2025. Every one is listed on the Tennessee page.

Counties of Tennessee near McNairy County in population, July 2025
County	July 2025	Change since 2020
White County	29,612	+7.9%
Carroll County	29,200	+2.7%
Henderson County	28,518	+2.5%
Hardin County	27,983	+3.8%
Macon County	27,663	+9.5%
McNairy County	26,236	+1.4%
Hickman County	26,219	+5.0%
Grainger County	25,739	+9.2%
Hardeman County	25,274	−0.6%
Lauderdale County	24,617	−2.0%
Overton County	23,787	+5.3%

Elsewhere on the site

Rankings this appears in

No. 2 Counties in Tennessee by homeownership rate
No. 4 Counties in Tennessee by poverty rate
No. 31 Counties in Tennessee by median age
No. 40 Counties in Tennessee by median household income
No. 41 Counties in Tennessee by foreign-born share
No. 47 Counties in Tennessee by per capita income

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