With 700 people, McMullen County is a county in Texas. The median age is 31.8, younger than the US median of 38.9. 20% of adults hold a bachelor's degree, below the 36% national rate. Home values have more than doubled since 2000, reaching $97,100. That trails the Texas median by roughly 44%. Density works out to 1 people per square mile.
At a glance
Lower income
median household income $43,875, below the US median
US median: $82,259
Younger
median age 31.8
US median: 38.9
Less educated
20% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Unique to this place
What stands out about McMullen County
What changed most since 1990
Median age37.2 → 31.8(−5.4 years)US over the same years: +6.0 years
Hispanic share38.9% → 62.1%(+23.2 pts)US over the same years: +9.9 pts
Median household income (2024 dollars)$70,094 → $43,875(−37%)US over the same years: +14%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans
Veterans by period of service, 2024
Gulf War (2001 or later)39.1%(9)
US avg: 26.4%
Gulf War (1990s)0%(0)
US avg: 24.3%
Vietnam era13%(3)
US avg: 33.1%
Korean War0%(0)
US avg: 4.5%
World War II0%(0)
US avg: 1%
Share of the 23 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Over time
McMullen County, decade by decade
McMullen County population, inflation-adjusted income and home value, education, and diversity by year
Year
Population
Median household income
Median home value
Bachelor's degree+
Diversity score
1990
817
$70,094
$73,922
14.6%
60.5
2000
851
$59,204
$86,346
16.2%
57.9
2010
707
$59,633
$119,545
10.5%
61.3
2020
600
$81,674
$134,900
14.8%
64.3
2024
700
$43,875
$97,100
20.1%
59.3
Census years come from the decennial census and the latest year from the American Community Survey, so part of any change between those two rows can reflect the different surveys. Dollar figures are adjusted for inflation to 2024 dollars; a figure ending in "+" was at the Census Bureau's reporting cap that year. The diversity score runs from 0 to 100; see how it's calculated.
