Marshall County, Kansas Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 39th-largest in Kansas
The population of Marshall County, Kansas is 10,001 as of the 2023 American Community Survey, making it the 39th-largest county in Kansas. The median household income is $70,828, the median home value is $119,500, and the median age is 42.6.
The population of Marshall County has declined 1.6% since 2010 (10,112 → 9,950), a -0.12% annualized rate.
10,001
Population
-0.12%
Annual growth
11
People / sq mi
$70,828
Median Income
$119,500
Median Home Value
Marshall County covers 900 sq mi of land at 11.1 people per square mile.
About Marshall County, KS
Marshall County is a county in Kansas with a population of 10,001. It ranks #39 among counties in Kansas by population. The median age is 42.6, older than the national median. The population is 50.8% male and 49.2% female.
The median household income in Marshall County is $70,828, below the US median of $74,580. 5.3% of residents live below the federal poverty level. Home values sit at a median of $119,500, with monthly rent averaging $670. The homeownership rate of 82.5% is higher than the national rate of 64.8%.
Educational attainment in Marshall County reflects 18.9% of adults 25 and older holding a bachelor's degree or higher, below the national average of 34.3%. Roughly 5.3% of workers primarily work from home, below the national work-from-home rate of 14.2%. The average commute is 17.0 minutes each way.
Marshall County Population History (2010-2024)
The county of Marshall County had a population of 10,112 in 2010 and 9,950 in 2024, a -1.6% growth over 14 years. The peak was 10,112 in 2010. Average annual growth rate: -0.11%.
9,950
Population (2024)
10,112
Population (2010)
10,112
Peak (2010)
-0.11%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 10,112 |
| 2011 | 9,985 |
| 2012 | 10,027 |
| 2013 | 9,975 |
| 2014 | 9,947 |
| 2015 | 9,848 |
| 2016 | 9,805 |
| 2017 | 9,697 |
| 2018 | 9,718 |
| 2019 | 9,691 |
| 2020 | 10,022 |
| 2021 | 10,023 |
| 2022 | 10,007 |
| 2023 | 9,963 |
| 2024 | 9,950 |
Race & Ethnicity
| White | 94.9% |
| Black or African American | 0.7% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.2% |
| Two or More Races | 0.0% |
Age & Sex
42.6
Median Age
49.2%
Female
50.8%
Male
22.3%
Age 65+
Age Distribution
Children (under 15): 20.4% · Seniors (65+): 22.3%
Income & Poverty
| Median household income | $70,828$-1,811 vs state |
| Mean household income | $83,404 |
| Per-capita income | $36,220 |
| Poverty rate | 5.3%-2.4% vs state |
| Unemployment rate | 1.2% |
| Employment-to-population | 64.0% |
Top Industries by Employment
The largest employment sector in Marshall County is professional & business services, accounting for 24.1% of workers.
How residents commute
0.4%
Drive alone
4.7%
Carpool
76.8%
Public transit
5.3%
Work from home
17.0 min
Avg commute
Housing
$119,500$-83,900 vs state
Median home value
$670
Median rent
82.5%
Homeownership rate
4,758
Total housing units
86.2%
Occupied
13.8%
Vacant
17.5%
Renter-occupied
Social & access
95.0%
With health insurance
90.3%
With broadband internet
23.5%
Foreign-born
8.0%
Veterans (18+)
15.2%
With a disability
96.6%
Speak language other than English at home
Education
91.0%
High School+
18.9%
Bachelor's+
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County rankings
Frequently Asked Questions
Marshall County, Kansas has a population of 10,001 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 39th-largest county in Kansas. Population density is 11 people per square mile.
The population of Marshall County has declined 1.6% since 2010 (10,112 → 9,950), a -0.12% annualized rate.
The median household income in Marshall County, Kansas is $70,828, with mean (average) household income of $83,404 and per-capita income of $36,220. 5.3% of residents live below the federal poverty level.
In Marshall County, the largest racial and ethnic groups are White (94.9%), Hispanic or Latino (1.2%), Black or African American (0.7%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Marshall County, Kansas is 42.6 years. Residents are 49.2% female and 50.8% male.
The median home value in Marshall County is $119,500 and median monthly rent is $670. 82.5% of occupied housing units are owner-occupied. The county has 4,758 total housing units, 13.8% of which are vacant.
The largest employment sector in Marshall County, Kansas is professional, scientific, and management services, employing 24.1% of workers. The unemployment rate is 1.2%.
Wichita is among the largest cities associated with Marshall County, Kansas, with a population of 396,488.
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Statewide data for Kansas
Population, race, income, age, and trends across Kansas
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.