Martin County, Texas Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
Martin County, TX Population Density Map and Area Scores
Area Score
Health, income and education, each graded from F to A+. Explore interactive maps for deeper analysis.
-
B
Health Around averageHealthier than 94% of counties in Texas
-
B
Income Around averageWealthier than 89% of counties in Texas
-
D
Education Well below average
Source: Map AI Methodology
Population: density and quick facts
| Metric | Martin County | Texas Avg | U.S. Average |
|---|---|---|---|
| Population | 5,218 | 30,160,889 | 337,468,954 |
| Population density (per sq mi) | 5.7 | 112.2 | 86.4 |
| Population growth (%/yr) | -0.50% | 1.41% | 0.59% |
| Median age | 37.7 | 35.9 | 37.3 |
| Households | 1,973 | 10,982,153 | 130,235,071 |
Population in Martin County grew by 17.3% from 2009 to 2024, reaching 5,218 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in Martin County is Gen Z, aged 13–28, at 22.5% of residents. That is 1.0 points below Texas as a whole.
- Gen Z 13–28 1,173 22.5% -1.0 pts
- Millennials 29–44 1,018 19.5% -3.4 pts
- Gen X 45–60 1,071 20.5% +1.1 pts
- Boomers 61–79 744 14.3% +1.0 pts
Residents by birth cohort, from the 2025 age distribution. The right-hand figure is how far each cohort's share sits above or below Texas, in percentage points. Children younger than Gen Z and the generations before the Boomers are counted in the population but not shown here, so these shares do not add up to 100%.
Male and female share
Women are 47.1% of the people living in Martin County and men 52.9%.
- Women 47.1% Texas 50.1%
- Men 52.9% Texas 49.9%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in Martin County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
Martin County has a the economy index of B, which means it is quite prosperous.
| Metric | Martin County | Texas Avg | U.S. Average |
|---|---|---|---|
| Median household income | $89,384 | $78,939 | $80,455 |
| Income growth (%/yr) | 4.43% | 4.56% | 4.80% |
| Unemployment rate | 5.4% | 5.2% | 5.2% |
The median household income in Martin County is about 13% higher than in Texas.
Housing
| Metric | Martin County | Texas Avg | U.S. Average |
|---|---|---|---|
| Median home price | $69,444 | $258,873 | $248,835 |
| Median rent | $970 | $1,402 | $1,407 |
| Homeownership rate | 78.1% | 62.6% | 65.2% |
The median home price in Martin County is about 6.0 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $970 per month for that long.
Commute Time & Mobility
Commuters in Martin County spend about 40 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 167 hours, about 7.0 full days, spent commuting.
| Metric | Martin County | Texas Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 20.0 | 22.8 | 22.4 |
| Round-trip commute (min) | 40.0 | 45.6 | 44.8 |
| Yearly time spent (hours) | 167 | 190 | 187 |
| Estimated yearly cost | $5,173 | $5,888 | $5,790 |
| Work from home | 0.3% | 14.4% | 15.0% |
| Highway traffic (vehicles/day) | 5,972 | 9,879 | 8,813 |
| Local road traffic (vehicles/day) | 1,095 | 1,441 | 1,355 |
Fastest commutes among counties in
Texas:
Loving County (3.2 min), King County (5.8 min), Terrell County (6.5 min).
Slowest:
Bandera County (38.6 min), San Jacinto County (35.9 min), Liberty County (33.6 min).
The average commute time in Martin County is 20 minutes, shorter than the 23 minutes in Texas.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Martin County has a education index of D, which means it is barely educated.
| Metric | Martin County | Texas Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 16.3% | 29.3% | 31.6% |
| Average household size | 2.61 | 2.69 | 2.53 |
Highest education index among counties in
Texas:
Collin County (0.4), Travis County (0.4), Fort Bend County (0.4).
Lowest:
Kenedy County (0.0), Hudspeth County (0.1), La Salle County (0.1).
Health
Martin County has a health index of B, which means it is quite healthy.
| Metric | Martin County | Texas Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 84.2 | 78.0 | 78.3 |
| Self-rated poor health | 18.9% | 21.1% | 16.3% |
| Smokers | 19.1% | 19.9% | 19.0% |
Highest health index among counties in
Texas:
Collin County (0.8), Travis County (0.8), Denton County (0.8).
Lowest:
Starr County (0.7), Brooks County (0.7), Presidio County (0.7).
Martin County, TX Compared With Nearby Counties
How Martin County, TX compares with the 2 counties closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| Martin County, TX | 5,218 | $89,384 #2/3 | $69,444 #3/3 | 20.0 min #3/3 |
| Midland County, TX | 174,801 | $92,213 | $75,784 | 18.2 min |
| Howard County, TX | 32,290 | $69,578 | $223,750 | 13.5 min |
Frequently Asked Questions
Common questions about Martin County, Texas.
How big is Martin County, Texas by population?
About 5,218 people live in Martin County, Texas, in 1,973 households of 2.6 people on average. The median age is 37.7, close to the U.S. median of 37.3.
How densely populated is Martin County, Texas?
Averaged over its land area, Martin County, Texas has 6 people per square mile, a density typical of rural areas. That is about 7% of the U.S. average of 86.
Is Martin County, Texas an affordable place to live?
The median home costs 0.8 times the median household income ($69,444 against $89,384), compared with 3.1 times nationally. That is within the traditional rule of thumb of about 3 times income. Median rent of $970 a month takes about 13% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How educated are people in Martin County, Texas?
16.3% of adults in Martin County, Texas hold a bachelor's degree or higher (about 1 in 6), well below the U.S. share of 31.6%.
Analyze any area in the US
Get local demographics for any address, aggregated by drive time or radius, on the interactive map.
Explore the map →