McMullen County, Texas Demographics
Population trends, housing costs, income, commuting, and health, all on one page.
McMullen 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.
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N/A
Health Not enough data
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B
Income Around averageWealthier than 87% of counties in Texas
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B
Education Around averageBetter educated than 94% of counties in Texas
Source: Map AI Methodology
Population: density and quick facts
| Metric | McMullen County | Texas Avg | U.S. Average |
|---|---|---|---|
| Population | 700 | 30,160,889 | 337,468,954 |
| Population density (per sq mi) | 0.6 | 112.2 | 86.4 |
| Population growth (%/yr) | 1.02% | 1.41% | 0.59% |
| Median age | 32.5 | 35.9 | 37.3 |
| Households | 207 | 10,982,153 | 130,235,071 |
Population in McMullen County declined by 37.8% from 2009 to 2024, reaching 700 in 2024.
Population Growth 2009–2024
Race & Ethnicity
Age & Sex
The largest generation in McMullen County is Millennials, aged 29–44, at 23.1% of residents. That is 0.2 points above Texas as a whole.
- Gen Z 13–28 122 17.5% -6.0 pts
- Millennials 29–44 162 23.1% +0.2 pts
- Gen X 45–60 116 16.5% -2.9 pts
- Boomers 61–79 128 18.3% +5.1 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 48.9% of the people living in McMullen County and men 51.1%.
- Women 48.9% Texas 50.1%
- Men 51.1% Texas 49.9%
How many residents match a customer profile?
Residents matching this profile
100% of everyone living in McMullen County
Pick an age range and a women/men split and the figure above answers with how many residents that profile reaches.
Economy
McMullen County has a the economy index of B, which means it is quite prosperous.
| Metric | McMullen County | Texas Avg | U.S. Average |
|---|---|---|---|
| Median household income | $42,749 | $78,939 | $80,455 |
| Income growth (%/yr) | -1.40% | 4.56% | 4.80% |
| Unemployment rate | 1.0% | 5.2% | 5.2% |
The median household income in McMullen County is about 46% lower than in Texas.
Housing
| Metric | McMullen County | Texas Avg | U.S. Average |
|---|---|---|---|
| Median home price | $466,666 | $258,873 | $248,835 |
| Median rent | $758 | $1,402 | $1,407 |
| Homeownership rate | 78.3% | 62.6% | 65.2% |
The median home price in McMullen County is about 51.3 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $758 per month for that long.
Commute Time & Mobility
Commuters in McMullen County spend about 33 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 136 hours, about 5.7 full days, spent commuting.
| Metric | McMullen County | Texas Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 16.3 | 22.8 | 22.4 |
| Round-trip commute (min) | 32.6 | 45.6 | 44.8 |
| Yearly time spent (hours) | 136 | 190 | 187 |
| Estimated yearly cost | $4,215 | $5,888 | $5,790 |
| Work from home | 13.9% | 14.4% | 15.0% |
| Highway traffic (vehicles/day) | 4,885 | 9,879 | 8,813 |
| Local road traffic (vehicles/day) | 254 | 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 McMullen County is 16 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
McMullen County has a education index of B, which means it is quite educated.
| Metric | McMullen County | Texas Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 14.8% | 29.3% | 31.6% |
| Average household size | 3.38 | 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
| Metric | McMullen County | Texas Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | — | 78.0 | 78.3 |
| Self-rated poor health | 16.7% | 21.1% | 16.3% |
| Smokers | 14.4% | 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).
McMullen County, TX Compared With Nearby Counties
How McMullen County, TX compares with the 1 counties closest to it.
| Area | Population | Median household income | Median home price | Commute |
|---|---|---|---|---|
| McMullen County, TX | 700 | $42,749 #2/2 | $466,666 #1/2 | 16.3 min #1/2 |
| Atascosa County, TX | 51,008 | $69,137 | $170,981 | 25.5 min |
Frequently Asked Questions
Common questions about McMullen County, Texas.
What is the population of McMullen County, Texas?
About 700 people live in McMullen County, Texas, in 207 households of 3.4 people on average. The median age is 32.5, so residents are younger than the U.S. median of 37.3 by about 5 years.
Is McMullen County, Texas mostly urban or rural?
Averaged over its land area, McMullen County, Texas has 1 people per square mile, a density typical of rural areas. That is about 1% of the U.S. average of 86.
Can a typical household afford a home in McMullen County, Texas?
The median home costs 10.9 times the median household income ($466,666 against $42,749), compared with 3.1 times nationally. A ratio of about 3 is traditionally considered affordable. Median rent of $758 a month takes about 21% of the median household's income, below the 30% level at which HUD considers renters cost-burdened.
How strong is the job market in McMullen County, Texas?
Unemployment in McMullen County, Texas is only 1.0%, well below the U.S. rate of 5.2%, a sign of a tight labor market where employers compete for workers.
What share of adults in McMullen County, Texas have a college degree?
14.8% of adults in McMullen County, Texas hold a bachelor's degree or higher (about 1 in 7), well below the U.S. share of 31.6%.
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