McMullen County, Texas Demographics 2026

Demographic data: ACS 2020–2024 five-year estimates. Sources and methodology

McMullen County, Texas has a population of 700, the 251st most populous county in Texas. The median household income is $43,875 and the median home value is $97,100. The poverty rate is 12.3%.

McMullen County Quick Facts

Population 70090% MOE ±280

Median Household Income $43,87590% MOE ±$13,683

Median Home Value $97,10090% MOE ±$43,815

Poverty Rate 12.3%90% MOE ±12.5 pts

Unemployment Rate 0.0%90% MOE ±6.5 pts

Median Age 31.8 years90% MOE ±13.0 years

Homeownership Rate 78.3%90% MOE ±11.2 pts

Affordability Ratio 2.2x

Bachelor's Degree+ 20.1%90% MOE ±12.7 pts

Adults 25+ with high school education or higher 85.6%

Cities/Places 1

Population 700 251st of 254

Median Income $43,875 44% lower than state

Poverty Rate 12.3%

Unemployment 0.0%

How McMullen County Changed

Change from the non-overlapping 2015–2019 ACS period to 2020–2024. Earlier dollar figures are adjusted to 2024 dollars; changes marked “no clear change” are within the combined 90% margins of error.

Metric	2015–2019	2020–2024	Change
Population	774	700	No clear change (-9.6%)
Median household income	$76,304	$43,875	-42.5%
Median home value¹	$136,485	$97,100	No clear change (-28.9%)
Median gross rent	$1,017	$758	No clear change (-25.4%)

¹ The Census Bureau changed its home-value inflation adjustment beginning with the 2022 ACS; interpret that comparison with additional caution.

Median Household Income

McMullen

$43,875

$78,476

National

$80,734

Median Home Value

McMullen

$97,100

$283,800

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 13.0%

$25K-$50K 44.4%

$50K-$100K 26.6%

$100K+ 15.9%

Detailed income brackets

Under $10K

4.3%

$10K-$15K

2.9%

$15K-$20K

3.4%

$20K-$25K

2.4%

$25K-$30K

0.5%

$30K-$35K

14.5%

$35K-$40K

19.3%

$40K-$45K

4.8%

$45K-$50K

5.3%

$50K-$60K

8.2%

$60K-$75K

6.8%

$75K-$100K

11.6%

$100K-$125K

1.9%

$125K-$150K

1.5%

$150K-$200K

7.2%

$200K+

5.3%

Employment

0.0% Unemployment Rate State: 5.3%|National: 5.2%

52.7% Labor Force Participation

Housing Overview

Owner 78.3%

Renter 21.7%

Affordability Index Very Affordable

2.2x home value to income ratio

Median gross rent $758/mo 20.7% of median household income annually

People & Demographics

Age Distribution

Under 18

39.9%

18-34

16.9%

35-54

19.4%

55-74

21.0%

75+

2.9%

Race & Ethnicity

Diversity Index

Moderate Diversity

Moderate diversity with one or two groups making up the majority.

State average: 67 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in McMullen County

City	Population	Median Income	Poverty	Home Value
Tilden	259	$36,638	0.0%	N/A

Explore Texas Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

McMullen County is located in Texas with a total population of 700. It is the 251st most populous county out of 254 in Texas. The county encompasses 1 Census-designated place.

Age Demographics

The median age in McMullen County is 31.8 years. This is 11% lower than the state median of 35.6 years. With 39.9% of the population under 18, McMullen County has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in McMullen County is $43,875. This is 44% lower than the state median of $78,476. It is also 46% lower than the national median of $80,734. The poverty rate stands at 12.3%. This is 11% lower than the state poverty rate of 13.8%. The survey records no unemployed residents in McMullen County, which reflects the size of the sample rather than a labor market without joblessness. The median home value is $97,100. Housing costs are 66% lower than the state median of $283,800. With a home-value-to-income ratio of just 2.2x, McMullen County is one of the most affordable housing markets in the area. 78.3% of occupied housing units are owner-occupied. This homeownership rate is 25% higher than the state average of 62.6%.

Race & Ethnicity

The largest racial or ethnic group in McMullen County is Hispanic or Latino, making up 62.1% of the population. White (non-Hispanic) residents account for 37.3%. The Hispanic or Latino population is significantly higher than the state average (62.1% vs 39.7%).

Education

20.1% of residents aged 25 and older hold a bachelor's degree or higher. This is 41% lower than the state rate of 33.8%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 85.6%.

Data Sources & Methodology

All figures for McMullen County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Texas and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of McMullen County, Texas?

McMullen County has a population of 700, making it the 251st most populous county in Texas.

What is the median income in McMullen County?

The median household income in McMullen County is $43,875 with a poverty rate of 12.3%.

How many cities are in McMullen County, Texas?

McMullen County contains 1 Census-designated place.