Demographics of Martin County, Texas

Martin County, Texas had 5,284 people on July 1, 2025, by the Census Bureau’s estimate: +25 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.

Martin County, in four figures

5,284
Population: July 1, 2025, Vintage 2025 estimate.; +0.5%
Change since July 2020: +25 people.; 37.3 ±1.6
Median age: ACS 2020–⁠2024.; $93,734 ±$17,711
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.

Martin County, Texas's population grew 0.5% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Martin 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

Martin County, Texas's population grew 0.5% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Martin 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	5,259	100.0	100.0
2021	5,218	99.2	100.2
2022	5,267	100.2	100.7
2023	5,277	100.3	101.6
2024	5,287	100.5	102.5
2025	5,284	100.5	103.1

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Population of Martin 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	5,259	+13	+5	0	+6
2021	5,218	−41	+20	+3	−62
2022	5,267	+49	+5	+54	−11
2023	5,277	+10	+29	+26	−45
2024	5,287	+10	+17	+38	−47
2025	5,284	−3	+19	−11	−11

Age, 2020–2024

The median age is 37.3 ±1.6: for men 36.1 ±7.3 and for women 41.3 ±3.9. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Martin County by age, ACS 2020–2024
Age	People	Share	Texas	United States
Under 5	220 ±90	4.2% ±1.7	6.4% ±<0.1	5.6% ±<0.1
5 to 17	1,338 ±176	25.6% ±3.4	18.6% ±0.1	16.3% ±<0.1
18 to 24	288 ±83	5.5% ±1.6	9.7% ±<0.1	9.1% ±<0.1
25 to 44	1,423 ±174	27.3% ±3.3	28.5% ±0.1	26.9% ±<0.1
45 to 64	1,379 ±205	26.4% ±3.9	23.3% ±<0.1	24.8% ±<0.1
65 and over	570 ±127	10.9% ±2.4	13.4% ±<0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $93,734 ±$17,711, and income per person $43,083 ±$6,908, 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 Martin County by income, ACS 2020–2024
Household income	Households	Share	Texas	United States
Under $25,000	213 ±103	10.8% ±5.2	14.6% ±0.1	14.6% ±<0.1
$25,000 to $49,999	349 ±123	17.7% ±6.2	17.3% ±0.1	16.7% ±<0.1
$50,000 to $74,999	310 ±101	15.7% ±5.0	16.1% ±0.1	15.5% ±<0.1
$75,000 to $99,999	73 to 325	3.7% to 16.5%	12.8% ±0.1	12.6% ±<0.1
$100,000 to $149,999	369 ±101	18.7% ±5.0	17.3% ±0.1	17.5% ±<0.1
$150,000 to $199,999	301 ±90	15.3% ±4.5	9.5% ±0.1	9.6% ±<0.1
$200,000 or more	232 ±101	11.8% ±5.1	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 Martin County by age, ACS 2020–2024
Age	Below poverty	Rate	Texas	United States
All ages	428 ±206	8.3% ±4.0	13.8% ±0.1	12.5% ±0.1
Under 18	189 ±91	12.2% ±5.7	18.7% ±0.2	16.1% ±0.1
18 to 59	9 to 105	0.3% to 3.9%	12.2% ±0.1	11.6% ±0.1
60 and over	87 to 277	19.6% ±9.4	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 Martin County, ACS 2020–2024
Measure	Martin County	Texas	United States
Housing units	2,135 ±90	12,128,515 ±1,574	143,775,355 ±10,234
Occupied	92.4% ±2.4	90.6% ±0.1	89.9% ±0.1
Vacant	7.6% ±2.8	9.4% ±0.1	10.1% ±0.1
Owner occupied	78.1% ±7.4	62.6% ±0.3	65.2% ±0.3
Renter occupied	21.9% ±6.2	37.4% ±0.2	34.8% ±0.1
Median home value	$174,800 ±$82,507	$283,800 ±$738	$332,700 ±$236
Median gross rent	$971 ±$44	$1,403 ±$4	$1,413 ±$2
Median year built	1974 ±4	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 Martin County by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Texas	United States
Hispanic or Latino	2,488 ±134	47.7% ±2.6	39.7% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	2,355 ±173	45.1% ±3.3	39.1% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	54 to 238	1.0% to 4.6%	11.9% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	0 to 14	0% to 0.3%	5.5% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 21	0% to 0.4%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 21	0% to 0.4%	0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 179	0% to 3.4%	0.4% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	56 to 222	1.1% to 4.3%	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 Martin County by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Texas	United States
Born in the state	4,057 ±223	77.8% ±4.3	58.3% ±0.1	57.3% ±<0.1
Born in another state	678 ±161	13.0% ±3.1	22.5% ±0.1	26.9% ±<0.1
Born a citizen outside the states	0 to 21	0% to 0.4%	1.7% ±<0.1	1.7% ±<0.1
Born abroad	483 ±174	9.3% ±3.3	17.6% ±0.1	14.1% ±<0.1
Naturalized citizens	87 to 277	1.7% to 5.3%	7.4% ±<0.1	7.4% ±<0.1
Not citizens	301 ±129	5.8% ±2.5	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%.

Martin County among the counties of Texas

197th of 254 by population, July 2025. Every one is listed on the Texas page.

Counties of Texas near Martin County in population, July 2025
County	July 2025	Change since 2020
Carson County	5,805	+0.2%
San Saba County	5,787	+1.1%
Delta County	5,549	+6.3%
Haskell County	5,499	+1.1%
Presidio County	5,433	−11.0%
Martin County	5,284	+0.5%
Hansford County	4,944	−5.9%
Hartley County	4,904	−8.1%
Floyd County	4,881	−9.1%
Crosby County	4,852	−4.8%
Wheeler County	4,773	−4.1%

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