Demographics of Knox County, Texas

Knox County, Texas had 3,192 people on July 1, 2025, by the Census Bureau’s estimate: −154 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.

Knox County, in four figures

3,192
Population: July 1, 2025, Vintage 2025 estimate.; −4.6%
Change since July 2020: −154 people.; 41.2 ±1.3
Median age: ACS 2020–⁠2024.; $56,667 ±$6,490
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.

Knox County, Texas's population shrank 4.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Knox County, Texas'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

Knox County, Texas's population shrank 4.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Knox County, Texas'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	3,346	100.0	100.0
2021	3,318	99.2	100.2
2022	3,279	98.0	100.7
2023	3,318	99.2	101.6
2024	3,251	97.2	102.5
2025	3,192	95.4	103.1

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Population of Knox County, Texas on July 1 of each year, Vintage 2025
July 1	Population	Change	Births less deaths	From abroad	From elsewhere in the country
2020	3,346	−7	−10	0	+1
2021	3,318	−28	−25	+3	−9
2022	3,279	−39	−36	+3	−2
2023	3,318	+39	−6	+1	+43
2024	3,251	−67	−18	+3	−52
2025	3,192	−59	−18	0	−41

Age, 2020–2024

The median age is 41.2 ±1.3: for men 39.6 ±1.8 and for women 42.9 ±3.5. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Knox County by age, ACS 2020–2024
Age	People	Share	Texas	United States
Under 5	161 ±50	4.9% ±1.5	6.4% ±<0.1	5.6% ±<0.1
5 to 17	698 ±109	21.1% ±3.3	18.6% ±0.1	16.3% ±<0.1
18 to 24	175 ±57	5.3% ±1.7	9.7% ±<0.1	9.1% ±<0.1
25 to 44	741 ±105	22.4% ±3.2	28.5% ±0.1	26.9% ±<0.1
45 to 64	913 ±107	27.6% ±3.2	23.3% ±<0.1	24.8% ±<0.1
65 and over	619 ±76	18.7% ±2.3	13.4% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $56,667 ±$6,490, and income per person $26,665 ±$1,826, in 2024 dollars. The median is $78,476 ±$263 in Texas and $80,734 ±$166 in the United States.

Households by income

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Households in Knox County by income, ACS 2020–2024
Household income	Households	Share	Texas	United States
Under $25,000	264 ±63	21.2% ±4.9	14.6% ±0.1	14.6% ±<0.1
$25,000 to $49,999	217 ±54	17.4% ±4.2	17.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	305 ±85	24.5% ±6.6	16.1% ±0.1	15.5% ±<0.1
$75,000 to $99,999	176 ±55	14.1% ±4.3	12.8% ±0.1	12.6% ±<0.1
$100,000 to $149,999	207 ±51	16.6% ±3.9	17.3% ±0.1	17.5% ±<0.1
$150,000 to $199,999	24 to 78	1.9% to 6.2%	9.5% ±0.1	9.6% ±<0.1
$200,000 or more	26 ±12	2.1% ±1.0	12.5% ±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 Knox County by age, ACS 2020–2024
Age	Below poverty	Rate	Texas	United States
All ages	502 ±146	15.7% ±4.6	13.8% ±0.1	12.5% ±0.1
Under 18	86 to 254	19.8% ±9.2	18.7% ±0.2	16.1% ±0.1
18 to 59	231 ±66	14.9% ±4.2	12.2% ±0.1	11.6% ±0.1
60 and over	101 ±40	12.9% ±4.9	12.0% ±0.1	11.0% ±<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%.

Housing, 2020–2024

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Housing in Knox County, ACS 2020–2024
Measure	Knox County	Texas	United States
Housing units	1,804 ±20	12,128,515 ±1,574	143,775,355 ±10,234
Occupied	69.1% ±4.4	90.6% ±0.1	89.9% ±0.1
Vacant	30.9% ±4.4	9.4% ±0.1	10.1% ±0.1
Owner occupied	77.4% ±2.8	62.6% ±0.3	65.2% ±0.3
Renter occupied	22.6% ±4.5	37.4% ±0.2	34.8% ±0.1
Median home value	$77,300 ±$9,511	$283,800 ±$738	$332,700 ±$236
Median gross rent	$521 ±$93	$1,403 ±$4	$1,413 ±$2
Median year built	1966 ±2	1992 ±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 Knox County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Texas	United States
Hispanic or Latino	1,109 ±0	33.5% ±<0.1	39.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	1,885 ±9	57.0% ±0.3	39.1% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	124 ±33	3.7% ±1.0	11.9% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 24	0% to 0.7%	5.5% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 12	0% to 0.4%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 15	0% to 0.5%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 7	0% to 0.2%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	170 ±33	5.1% ±1.0	3.1% ±<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 Knox County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Texas	United States
Born in the state	2,562 ±135	77.5% ±4.1	58.3% ±0.1	57.3% ±<0.1
Born in another state	473 ±121	14.3% ±3.7	22.5% ±0.1	26.9% ±<0.1
Born a citizen outside the states	17 to 59	0.5% to 1.8%	1.7% ±<0.1	1.7% ±<0.1
Born abroad	234 ±78	7.1% ±2.4	17.6% ±0.1	14.1% ±<0.1
Naturalized citizens	133 ±64	4.0% ±1.9	7.4% ±<0.1	7.4% ±<0.1
Not citizens	45 to 157	1.4% to 4.7%	10.2% ±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%.

Knox County among the counties of Texas

218th of 254 by population, July 2025. Every one is listed on the Texas page.

Counties of Texas near Knox County in population, July 2025
County	July 2025	Change since 2020
Coke County	3,412	+2.7%
Hardeman County	3,292	−7.5%
Donley County	3,213	−1.9%
Sutton County	3,203	−4.7%
Shackelford County	3,197	+2.7%
Knox County	3,192	−4.6%
Reagan County	3,166	−7.5%
Upton County	3,131	−5.1%
Kinney County	3,128	< +0.1%
Hemphill County	3,083	−8.4%
Lipscomb County	2,955	−2.8%

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