Demographics of Castro County, Texas

Castro County, Texas had 7,295 people on July 1, 2025, by the Census Bureau’s estimate: −29 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.

Castro County, in four figures

7,295
Population: July 1, 2025, Vintage 2025 estimate.; −0.4%
Change since July 2020: −29 people.; 34.5 ±1.2
Median age: ACS 2020–⁠2024.; $56,776 ±$10,779
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.

Castro County, Texas's population shrank 0.4% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Castro 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

Castro County, Texas's population shrank 0.4% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Castro 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	7,324	100.0	100.0
2021	7,355	100.4	100.2
2022	7,285	99.5	100.7
2023	7,291	99.5	101.6
2024	7,343	100.3	102.5
2025	7,295	99.6	103.1

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Population of Castro 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	7,324	−39	−4	0	−33
2021	7,355	+31	+23	+15	−7
2022	7,285	−70	+20	+26	−123
2023	7,291	+6	+43	+68	−108
2024	7,343	+52	+14	+107	−70
2025	7,295	−48	+14	+69	−129

Age, 2020–2024

The median age is 34.5 ±1.2: for men 34.9 ±2.1 and for women 34.1 ±5.0. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Castro County by age, ACS 2020–2024
Age	People	Share	Texas	United States
Under 5	599 ±108	8.2% ±1.5	6.4% ±<0.1	5.6% ±<0.1
5 to 17	1,536 ±188	20.9% ±2.6	18.6% ±0.1	16.3% ±<0.1
18 to 24	741 ±143	10.1% ±1.9	9.7% ±<0.1	9.1% ±<0.1
25 to 44	1,654 ±241	22.5% ±3.3	28.5% ±0.1	26.9% ±<0.1
45 to 64	1,438 ±209	19.6% ±2.8	23.3% ±<0.1	24.8% ±<0.1
65 and over	1,376 ±227	18.7% ±3.1	13.4% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $56,776 ±$10,779, and income per person $26,462 ±$2,300, 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 Castro County by income, ACS 2020–2024
Household income	Households	Share	Texas	United States
Under $25,000	559 ±146	23.2% ±5.9	14.6% ±0.1	14.6% ±<0.1
$25,000 to $49,999	572 ±171	23.7% ±7.0	17.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	357 ±139	14.8% ±5.7	16.1% ±0.1	15.5% ±<0.1
$75,000 to $99,999	254 ±87	10.5% ±3.6	12.8% ±0.1	12.6% ±<0.1
$100,000 to $149,999	333 ±132	13.8% ±5.4	17.3% ±0.1	17.5% ±<0.1
$150,000 to $199,999	222 ±81	9.2% ±3.3	9.5% ±0.1	9.6% ±<0.1
$200,000 or more	58 to 174	2.4% to 7.2%	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 Castro County by age, ACS 2020–2024
Age	Below poverty	Rate	Texas	United States
All ages	1,390 ±307	19.2% ±4.2	13.8% ±0.1	12.5% ±0.1
Under 18	473 ±171	22.2% ±7.5	18.7% ±0.2	16.1% ±0.1
18 to 59	619 ±186	17.9% ±5.2	12.2% ±0.1	11.6% ±0.1
60 and over	298 ±138	18.1% ±7.9	12.0% ±0.1	11.0% ±<0.1

Housing, 2020–2024

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Housing in Castro County, ACS 2020–2024
Measure	Castro County	Texas	United States
Housing units	3,024 ±11	12,128,515 ±1,574	143,775,355 ±10,234
Occupied	79.8% ±4.5	90.6% ±0.1	89.9% ±0.1
Vacant	20.2% ±4.5	9.4% ±0.1	10.1% ±0.1
Owner occupied	63.6% ±5.1	62.6% ±0.3	65.2% ±0.3
Renter occupied	36.4% ±7.3	37.4% ±0.2	34.8% ±0.1
Median home value	$95,000 ±$31,479	$283,800 ±$738	$332,700 ±$236
Median gross rent	$896 ±$180	$1,403 ±$4	$1,413 ±$2
Median year built	1966 ±3	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 Castro County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Texas	United States
Hispanic or Latino	4,817 ±0	65.6% ±<0.1	39.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	2,180 ±46	29.7% ±0.6	39.1% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	0 to 206	0% to 2.8%	11.9% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 144	0% to 2.0%	5.5% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 136	0% to 1.9%	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 5	0% to 0.1%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	133 ±58	1.8% ±0.8	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 Castro County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Texas	United States
Born in the state	5,008 ±283	68.2% ±3.9	58.3% ±0.1	57.3% ±<0.1
Born in another state	1,003 ±226	13.7% ±3.1	22.5% ±0.1	26.9% ±<0.1
Born a citizen outside the states	0 to 116	0% to 1.6%	1.7% ±<0.1	1.7% ±<0.1
Born abroad	1,281 ±217	17.4% ±3.0	17.6% ±0.1	14.1% ±<0.1
Naturalized citizens	287 ±109	3.9% ±1.5	7.4% ±<0.1	7.4% ±<0.1
Not citizens	994 ±212	13.5% ±2.9	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%.

Castro County among the counties of Texas

183rd of 254 by population, July 2025. Every one is listed on the Texas page.

Counties of Texas near Castro County in population, July 2025
County	July 2025	Change since 2020
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%
Yoakum County	7,438	−3.1%
Castro County	7,295	−0.4%
Goliad County	7,208	+2.7%
Bailey County	6,963	+1.4%
Swisher County	6,703	−3.5%
Refugio County	6,657	−1.3%
Childress County	6,643	−0.2%

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