Marion County, Texas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 167th-largest in Texas
The population of Marion County, Texas is 9,631 as of the 2023 American Community Survey, making it the 167th-largest county in Texas. The median household income is $47,447, the median home value is $110,500, and the median age is 50.6.
The population of Marion County has declined 7.5% since 2010 (10,491 → 9,704), a -0.56% annualized rate.
9,631
Population
-0.56%
Annual growth
25
People / sq mi
$47,447
Median Income
$110,500
Median Home Value
Marion County covers 381 sq mi of land at 25.3 people per square mile.
About Marion County, TX
Remote work is unusually rare in Marion County: 1.2% of workers primarily work from home, below the 14.0% national rate. Marion County is a county in Texas with a population of 9,631.
The typical household earns $47,447, below the US median of $78,538. Roughly 12.0% of residents fall below the poverty line, close to the national 12.4%. Housing is relatively affordable, with a median home value of $110,500, with typical rent around $854.
Fewer adults hold degrees here than in most comparable places — 16.0%, below the national 35.0%. Almost everyone commutes — only 1.2% work from home, below the national 14.0%, and the average commute runs about 32 minutes each way.
Marion County Population History (2010-2024)
The county of Marion County had a population of 10,491 in 2010 and 9,704 in 2024, a -7.5% growth over 14 years. The peak was 10,491 in 2010. Average annual growth rate: -0.55%.
9,704
Population (2024)
10,491
Population (2010)
10,491
Peak (2010)
-0.55%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,491 |
| 2011 | 10,485 |
| 2012 | 10,387 |
| 2013 | 10,293 |
| 2014 | 10,168 |
| 2015 | 10,152 |
| 2016 | 10,134 |
| 2017 | 10,076 |
| 2018 | 9,915 |
| 2019 | 9,848 |
| 2020 | 9,869 |
| 2021 | 9,740 |
| 2022 | 9,677 |
| 2023 | 9,693 |
| 2024 | 9,704 |
Race & Ethnicity
| White | 71.4% |
| Black or African American | 21.6% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 2.1% |
| Two or More Races | 0.0% |
Age & Sex
50.6
Median Age
51.1%
Female
48.9%
Male
26.7%
Age 65+
Age Distribution
Children (under 15): 15.3% · Seniors (65+): 26.7%
Income & Poverty
| Median household income | $47,447$-28,845 vs state |
| Mean household income | $64,983 |
| Per-capita income | $29,117 |
| Poverty rate | 12.0%+1.5% vs state |
| Unemployment rate | 4.1% |
| Employment-to-population | 45.0% |
Top Industries by Employment
The largest employment sector in Marion County is professional & business services, accounting for 23.4% of workers.
How residents commute
0.4%
Drive alone
0.2%
Carpool
83.3%
Public transit
1.2%
Work from home
31.8 min
Avg commute
Housing
$110,500$-149,900 vs state
Median home value
$854
Median rent
77.4%
Homeownership rate
5,609
Total housing units
74.9%
Occupied
25.1%
Vacant
22.6%
Renter-occupied
Social & access
85.7%
With health insurance
88.7%
With broadband internet
31.2%
Foreign-born
11.1%
Veterans (18+)
23.3%
With a disability
97.9%
Speak language other than English at home
Education
86.6%
High School+
16.0%
Bachelor's+
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Frequently Asked Questions
Marion County, Texas has a population of 9,631 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 167th-largest county in Texas. Population density is 25 people per square mile.
The population of Marion County has declined 7.5% since 2010 (10,491 → 9,704), a -0.56% annualized rate.
The median household income in Marion County, Texas is $47,447, with mean (average) household income of $64,983 and per-capita income of $29,117. 12.0% of residents live below the federal poverty level.
In Marion County, the largest racial and ethnic groups are White (71.4%), Black or African American (21.6%), Hispanic or Latino (2.1%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Marion County, Texas is 50.6 years. Residents are 51.1% female and 48.9% male.
The median home value in Marion County is $110,500 and median monthly rent is $854. 77.4% of occupied housing units are owner-occupied. The county has 5,609 total housing units, 25.1% of which are vacant.
The largest employment sector in Marion County, Texas is professional, scientific, and management services, employing 23.4% of workers. The unemployment rate is 4.1%.
Houston is among the largest cities associated with Marion County, Texas, with a population of 2,300,419.
Marion County, TX Climate
Marion County, TX has an average annual temperature of 17.8°C (64°F) and receives about 1198 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
17.8°C
Avg Temp
1198
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 7° / 44° | 93 mm |
| February | 9° / 49° | 98 mm |
| March | 14° / 56° | 109 mm |
| April | 18° / 64° | 115 mm |
| May | 22° / 71° | 118 mm |
| June | 26° / 78° | 110 mm |
| July | 28° / 82° | 73 mm |
| August | 28° / 82° | 67 mm |
| September | 24° / 76° | 86 mm |
| October | 18° / 65° | 102 mm |
| November | 13° / 55° | 114 mm |
| December | 8° / 47° | 113 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Marion County, TX
The most comfortable months to visit Marion County, TX are typically May, September and October, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 34°C high). The coldest is January (near 1°C low). May is usually the wettest month.
Where to stay near Marion County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.