Mills County, Texas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 206th-largest in Texas
The population of Mills County, Texas is 4,499 as of the 2023 American Community Survey, making it the 206th-largest county in Texas. The median household income is $64,494, the median home value is $200,200, and the median age is 52.2.
The population of Mills County has declined 8.2% since 2010 (4,969 → 4,563), a -0.61% annualized rate.
4,499
Population
-0.61%
Annual growth
6
People / sq mi
$64,494
Median Income
$200,200
Median Home Value
Mills County covers 748 sq mi of land at 6.0 people per square mile.
About Mills County, TX
Age is the most distinctive thing about Mills County: a median age of 52.2, older than the national median. Mills County is a county in Texas with a population of 4,499.
Median household income is $64,494, below the US median of $78,538. Only 6.6% of residents live in poverty, below the national 12.4%. Median home value is $200,200, with typical rent around $713.
College attainment is above the local norm at 28.1%, below the national 35.0%. Remote work is below the national 14.0% at 7.7%, and the average commute runs about 23 minutes each way.
The age structure shapes everything downstream in Mills County — from housing demand to the mix of working-age earners reflected in the income figures above.
Mills County Population History (2010-2024)
The county of Mills County had a population of 4,969 in 2010 and 4,563 in 2024, a -8.2% growth over 14 years. The peak was 4,969 in 2010. Average annual growth rate: -0.58%.
4,563
Population (2024)
4,969
Population (2010)
4,969
Peak (2010)
-0.58%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 4,969 |
| 2011 | 4,883 |
| 2012 | 4,833 |
| 2013 | 4,873 |
| 2014 | 4,871 |
| 2015 | 4,887 |
| 2016 | 4,886 |
| 2017 | 4,923 |
| 2018 | 4,865 |
| 2019 | 4,872 |
| 2020 | 4,450 |
| 2021 | 4,490 |
| 2022 | 4,504 |
| 2023 | 4,550 |
| 2024 | 4,563 |
Race & Ethnicity
| White | 81.1% |
| Black or African American | 0.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.2% |
| Two or More Races | 0.0% |
Age & Sex
52.2
Median Age
48.9%
Female
51.1%
Male
28.8%
Age 65+
Age Distribution
Children (under 15): 13.2% · Seniors (65+): 28.8%
Income & Poverty
| Median household income | $64,494$-11,798 vs state |
| Mean household income | $84,978 |
| Per-capita income | $36,334 |
| Poverty rate | 6.6%-3.9% vs state |
| Unemployment rate | 2.1% |
| Employment-to-population | 50.9% |
Top Industries by Employment
The largest employment sector in Mills County is professional & business services, accounting for 26.2% of workers.
How residents commute
0.0%
Drive alone
1.5%
Carpool
75.3%
Public transit
7.7%
Work from home
23.3 min
Avg commute
Housing
$200,200$-60,200 vs state
Median home value
$713
Median rent
84.5%
Homeownership rate
2,614
Total housing units
70.6%
Occupied
29.4%
Vacant
15.5%
Renter-occupied
Social & access
87.6%
With health insurance
90.2%
With broadband internet
16.5%
Foreign-born
7.8%
Veterans (18+)
16.0%
With a disability
86.9%
Speak language other than English at home
Education
89.5%
High School+
28.1%
Bachelor's+
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County rankings
Frequently Asked Questions
Mills County, Texas has a population of 4,499 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 206th-largest county in Texas. Population density is 6 people per square mile.
The population of Mills County has declined 8.2% since 2010 (4,969 → 4,563), a -0.61% annualized rate.
The median household income in Mills County, Texas is $64,494, with mean (average) household income of $84,978 and per-capita income of $36,334. 6.6% of residents live below the federal poverty level.
In Mills County, the largest racial and ethnic groups are White (81.1%), Hispanic or Latino (3.2%), Black or African American (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Mills County, Texas is 52.2 years. Residents are 48.9% female and 51.1% male.
The median home value in Mills County is $200,200 and median monthly rent is $713. 84.5% of occupied housing units are owner-occupied. The county has 2,614 total housing units, 29.4% of which are vacant.
The largest employment sector in Mills County, Texas is professional, scientific, and management services, employing 26.2% of workers. The unemployment rate is 2.1%.
Houston is among the largest cities associated with Mills County, Texas, with a population of 2,300,419.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.