Demographics of Dimmit County, Texas

Dimmit County, Texas had 8,024 people on July 1, 2025, by the Census Bureau’s estimate: −560 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.

Dimmit County, in four figures

8,024
Population: July 1, 2025, Vintage 2025 estimate.; −6.5%
Change since July 2020: −560 people.; 35.7 ±1.0
Median age: ACS 2020–⁠2024.; $38,808 ±$8,956
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.

Dimmit County, Texas's population shrank 6.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Dimmit 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

Dimmit County, Texas's population shrank 6.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Dimmit 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	8,584	100.0	100.0
2021	8,484	98.8	100.2
2022	8,377	97.6	100.7
2023	8,293	96.6	101.6
2024	8,216	95.7	102.5
2025	8,024	93.5	103.1

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Population of Dimmit 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	8,584	−31	+12	0	−42
2021	8,484	−100	+1	−1	−98
2022	8,377	−107	−7	0	−105
2023	8,293	−84	+8	+5	−98
2024	8,216	−77	+16	−1	−92
2025	8,024	−192	+15	−12	−192

Age, 2020–2024

The median age is 35.7 ±1.0: for men 34.8 ±0.6 and for women 37.5 ±1.4. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Dimmit County by age, ACS 2020–2024
Age	People	Share	Texas	United States
Under 5	578 ±117	6.9% ±1.4	6.4% ±<0.1	5.6% ±<0.1
5 to 17	1,600 ±247	19.1% ±2.9	18.6% ±0.1	16.3% ±<0.1
18 to 24	862 ±272	10.3% ±3.3	9.7% ±<0.1	9.1% ±<0.1
25 to 44	2,386 ±415	28.5% ±5.0	28.5% ±0.1	26.9% ±<0.1
45 to 64	1,596 ±317	19.0% ±3.8	23.3% ±<0.1	24.8% ±<0.1
65 and over	1,358 ±238	16.2% ±2.8	13.4% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $38,808 ±$8,956, and income per person $24,227 ±$3,988, 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 Dimmit County by income, ACS 2020–2024
Household income	Households	Share	Texas	United States
Under $25,000	1,163 ±299	38.8% ±9.7	14.6% ±0.1	14.6% ±<0.1
$25,000 to $49,999	635 ±253	21.2% ±8.3	17.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	378 ±140	12.6% ±4.6	16.1% ±0.1	15.5% ±<0.1
$75,000 to $99,999	17 to 95	0.6% to 3.2%	12.8% ±0.1	12.6% ±<0.1
$100,000 to $149,999	449 ±187	15.0% ±6.2	17.3% ±0.1	17.5% ±<0.1
$150,000 to $199,999	30 to 276	1.0% to 9.2%	9.5% ±0.1	9.6% ±<0.1
$200,000 or more	1 to 327	< 0.1% to 10.9%	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 Dimmit County by age, ACS 2020–2024
Age	Below poverty	Rate	Texas	United States
All ages	3,390 ±732	41.1% ±8.9	13.8% ±0.1	12.5% ±0.1
Under 18	1,154 ±306	53.0% ±9.6	18.7% ±0.2	16.1% ±0.1
18 to 59	1,608 ±429	37.9% ±8.5	12.2% ±0.1	11.6% ±0.1
60 and over	628 ±194	34.3% ±9.1	12.0% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Dimmit County, ACS 2020–2024
Measure	Dimmit County	Texas	United States
Housing units	4,023 ±12	12,128,515 ±1,574	143,775,355 ±10,234
Occupied	74.5% ±4.6	90.6% ±0.1	89.9% ±0.1
Vacant	25.5% ±4.6	9.4% ±0.1	10.1% ±0.1
Owner occupied	66.5% ±8.3	62.6% ±0.3	65.2% ±0.3
Renter occupied	33.5% ±7.4	37.4% ±0.2	34.8% ±0.1
Median home value	$85,500 ±$20,047	$283,800 ±$738	$332,700 ±$236
Median gross rent	$823 ±$366	$1,403 ±$4	$1,413 ±$2
Median year built	1985 ±6	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 Dimmit County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Texas	United States
Hispanic or Latino	7,303 ±0	87.1% ±<0.1	39.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	687 ±193	8.2% ±2.3	39.1% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	16 to 172	0.2% to 2.1%	11.9% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 102	0% to 1.2%	5.5% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	47 to 421	0.6% to 5.0%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 21	0% to 0.3%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 21	0% to 0.3%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	0 to 42	0% to 0.5%	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 Dimmit County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Texas	United States
Born in the state	6,496 ±441	77.5% ±5.3	58.3% ±0.1	57.3% ±<0.1
Born in another state	1,199 ±389	14.3% ±4.6	22.5% ±0.1	26.9% ±<0.1
Born a citizen outside the states	0 to 188	0% to 2.2%	1.7% ±<0.1	1.7% ±<0.1
Born abroad	605 ±276	7.2% ±3.3	17.6% ±0.1	14.1% ±<0.1
Naturalized citizens	286 ±124	3.4% ±1.5	7.4% ±<0.1	7.4% ±<0.1
Not citizens	114 to 524	1.4% to 6.3%	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%.

Dimmit County among the counties of Texas

176th of 254 by population, July 2025. Every one is listed on the Texas page.

Counties of Texas near Dimmit County in population, July 2025
County	July 2025	Change since 2020
Ochiltree County	9,284	−6.7%
Archer County	9,129	+6.7%
Zavala County	9,037	−6.5%
Mitchell County	8,947	−0.7%
Hamilton County	8,680	+5.2%
Dimmit County	8,024	−6.5%
Coleman County	7,915	+3.0%
San Augustine County	7,722	−2.5%
Winkler County	7,540	−2.8%
Dallam County	7,508	+5.2%
McCulloch County	7,472	−1.6%

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