County · Texas

McMullen County, Texas

McMullen County, Texas. McMullen County had 544 residents in 2025 by the Census Bureau's estimate, down 9.5% since 2020, while Texas grew 8.8%. It holds 1 place (1 census-designated) and 1 census tract. GEOID 48311.

Residents, July 2025 estimate

544

Census Bureau estimate (no margin published)
2020 Census count: 600 · ACS 2020-2024: 700 ±280

Median household income

$43,875

±$13,683 (90% margin)
Texas: $78,476

Median home value

$97,100

±$43,815 (90% margin)
Texas: $283,800

Median gross rent

$758

±$739 (90% margin)
Texas: $1,403

How many people live in McMullen County, and is it growing?

The 2020 Census counted 600 residents in McMullen County. The Census Bureau estimates 544 for July 1, 2025, down 9.5% since 2020, while Texas grew 8.8%. The 2020-2024 American Community Survey puts the population at 700 over 1,140 square miles of land.

  • July 2020→2021 −4 (594)
  • 2021→2022 −20 (574)
  • 2022→2023 +3 (577)
  • 2023→2024 −19 (558)
  • 2024→2025 −14 (544)
McMullen County in Texas. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureMcMullen CountyTexasChange since 2015-2019
Total population700±28030,188,424no clear change
Households207±8310,992,816no clear change
Average household size3.38±1.322.69no clear change
Housing units348±9312,128,515no clear change

McMullen County's population since 2000

From 851 in 2000 to 544 in 2025: down 36.1%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 851
  • 2005 (estimate) 789
  • 2010 Census 707
  • 2015 (estimate) 831
  • 2020 Census 600
  • 2025 (estimate) 544

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in McMullen County?

McMullen County holds 1 place: 1 census-designated place. The largest is Tilden with 259 residents (2020-2024). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in McMullen County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
TildenGEOID 4872992CDP190259±123$36,638not published0.0%100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in McMullen County?

The median resident of McMullen County is 31.8 years old; 39.9% are under 18 and 17.3% are 65 or older. The largest group is Hispanic or Latino residents (of any race) at 62.1%, then non-Hispanic white residents at 37.3%.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureMcMullen CountyTexasChange since 2015-2019
Median age31.8±13.035.6no clear change
Under 18 years39.9%±13.3 pts25.0%–
65 years and over17.3%±9.8 pts13.4%–
Hispanic or Latino (any race)62.1%±15.2 pts39.7%no clear change
White alone, not Hispanic37.3%±15.3 pts39.1%no clear change
Black or African American alone, not Hispanic0.0%±6.9 pts11.9%–
Asian alone, not Hispanic0.0%±6.9 pts5.5%–
American Indian and Alaska Native alone, not Hispanic0.4%±0.6 pts0.1%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.0%±6.9 pts0.1%–
Two or more races, not Hispanic0.1%±0.4 pts3.1%–
Some other race alone, not Hispanic0.0%±6.9 pts0.4%–
Born outside the United States4.1%±5.9 pts17.6%–
Speak a language other than English at home (age 5+)26.4%±11.4 pts35.1%–
Civilian veterans (age 18+)5.5%±5.9 pts6.2%–
With a disability15.0%±10.2 pts12.3%–
No health insurance coverage15.0%±10.3 pts17.1%–
High school graduate or higher (age 25+)85.6%±10.4 pts86.0%–
Bachelor's degree or higher (age 25+)20.1%±11.4 pts33.8%no clear change
Graduate or professional degree (age 25+)0.8%±0.9 pts12.3%–
Moved from another state in the past year0.0%±7.2 pts2.0%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in McMullen County earn?

Half of McMullen County's 207 households earn less than $43,875 a year (±$13,683), against $78,476 in Texas. In 2015-2019 the median was $76,303 in 2024 dollars, so it fell by $32,428 after inflation.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureMcMullen CountyTexasChange since 2015-2019
Median household income$43,875±$13,683$78,476−$32,428
Mean household income$69,640±$18,869$109,933–
Per capita income$22,183±$9,254$40,752−$16,528
People below the poverty line12.3%±11.9 pts13.8%–
Children under 18 below the poverty line14.3%±18.0 pts18.7%–
Households receiving SNAP3.9%±5.7 pts11.4%–
Households with a broadband subscription81.2%±12.3 pts91.4%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in McMullen County?

Owners occupy 78.3% of McMullen County's occupied homes and renters 21.7%. The median owner-occupied home is valued at $97,100 by its owner (±$43,815).

Housing, ACS 2020-2024 5-year estimates
MeasureMcMullen CountyTexasChange since 2015-2019
Median home value (owner-occupied)$97,100±$43,815$283,800no clear change
Median gross rent$758±$739$1,403–
Renters paying 35% or more of income on rent0.0%±100.0 pts42.3%–
Median monthly owner costs, with a mortgage$1,179±$451$2,106–
Owner-occupied homes78.3%±13.5 pts62.6%no clear change
Housing units348±9312,128,515no clear change
Homeowner vacancy rate0.0%±26.1 pts1.1%–
Rental vacancy rate0.0%±54.8 pts7.7%–
Single-family detached homes65.8%±12.3 pts64.4%–
Mobile homes30.7%±12.5 pts6.4%–
Built 2020 or later0.0%±13.4 pts4.0%–
Built 1939 or earlier8.6%±6.9 pts3.1%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How do people in McMullen County get to work?

74.0% of McMullen County's workers drive alone. The average trip to work takes 19.5 minutes.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureMcMullen CountyTexasChange since 2015-2019
In the labor force (age 16+)52.7%±13.6 pts65.3%–
Unemployment rate0.0%±19.3 pts5.3%–
Drove alone to work74.0%±11.9 pts71.4%–
Carpooled7.8%±8.8 pts10.0%–
Public transportation0.0%±19.3 pts0.9%–
Walked1.7%±2.3 pts1.5%–
Worked from home13.9%±11.6 pts14.4%–
Mean travel time to work19.5 min±4.726.7 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are McMullen County's census tracts?

McMullen County is a single census tract.

Census tracts of McMullen County, ACS 2020-2024 5-year estimates; sort by any column
Tract 950148311950100Tilden (7%)600700±280$43,875$97,100$75812.3%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does McMullen County compare with Texas's other counties?

McMullen County's rank among Texas's counties with a reliable estimate (1 = highest)
MeasureRank
Population251st of 253
Growth 2020-2025242nd of 254
Residents per square mile250th of 254
Median household income242nd of 253
Median home value215th of 247
Bachelor's degree or higher133rd of 252
Median age238th of 254

Every county in Texas

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for McMullen County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.