United States › Kansas › Marion County COUNTY
Marion County Kansas · 11,634 residents (2025 est.) · 944 sq mi
Time machine
COMPARE TO 1990 Census 2000 Census 2009 ACS 2010 ACS 2011 ACS 2012 ACS 2013 ACS 2014 ACS 2015 ACS 2016 ACS 2017 ACS 2018 ACS 2019 ACS 2020 ACS 2021 ACS 2022 ACS 2023 ACS
The short version
Marion County is home to 11,754 people in Kansas. Owners hold 81% of the housing stock. The typical home is worth $124,200, having more than doubled since 2000. Density works out to 12 people per square mile. 1% of locals were born outside the United States. The median age is 43.5, about 5 years above the US median.
At a glance
Lower income
below the US median
US median: $82,259
Older
median age 43.5
US median: 38.9
Average education
30% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 13,361 in 2000
11,634 in 2025 (Census Bureau estimate)
from 13 / sq mi in 2009
US average: 281
from 41.0 in 2000
US average: 38.9
Population, 1990 – 2024
12K 12K 13K 13K 14K 1990 2000 2010 2020 2024 Marion County Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $64,695
+3%inflation adjusted, since 2000
from $34,500 in 2000
US average: $82,259
from $16,100 in 2000
US average: $44,673
Households earning $100K+
from 20.9% in 2009
US average: 53.3%
from 8.3% in 2000
US average: 12.5%
from 0.366 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 8%
Professional, scientific, technical 5%
Public administration 2.2%
Transportation & warehousing 1.9%
Education & health services 1.4%
Arts, entertainment, food 1.3%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$124,200
+16%inflation adjusted, since 2000
from $59,000 in 2000
US average: $376,019
$727
+7%inflation adjusted, since 2000
from $374 in 2000
US average: $1,442
from 79.9% in 2000
18.7% rent
from 13.6% in 2009
US average: 10.0%
from 2.17 people in 2009
US average: 2.54
from 15.8% in 2009
US average: 22.9%
from 20.2% in 2009
US average: 47.4%
from 1.8 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
Section 04
Race & ethnicity 2000
White, non-Hispanic 96%(12,833)
Hispanic / Latino 1.9%(257)
2024
White, non-Hispanic 90.9%(10,687)
Hispanic / Latino 4.2%(494)
from 12 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
from 14 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 20 more ancestry groups with data from 17.9% in 2000
US average: 35.6%
High school or higher
from 84.4% in 2000
US average: 89.6%
from 6.2% in 2000
US average: 14.0%
Section 06
Commute & transportation from 15.9 min in 2000
US average: 26.5
from 77.5% in 2009
US average: 68.9%
from 8.8% in 2009
US average: 8.5%
from 0.0% in 2009
US average: 3.2%
from 5.5% in 2009
US average: 15.0%
from 7.0% in 2009
US average: 2.4%
from 0.6% in 2009
US average: 0.4%
from 2.7% in 2009
US average: 8.3%
Section 07
Work & employment from 4.2% in 2011
US average: 5.2%
from 64.5% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 78.8% in 2020
US average: 74.6%
from 17.1% in 2009
US average: 13.1%
from 34.1% in 2009
US average: 42.5%
Section 08
People & community from 1.3% in 2009
US average: 14.1%
from 10.2% in 2009
US average: 6.2%
from 14.2% in 2012
US average: 13.3%
from 11.1% in 2013
US average: 8.4%
from 68.5% in 2017
US average: 91.0%
Computer in household
from 86.6% in 2020
US average: 95.5%
from 89.5% in 2020
US average: 87.7%
from 96.5% in 2016
US average: 77.7%
from 1.8% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 31.2%(1,537)
Women 15+
Never married 22.5%(1,083)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 11.1% in 2013
US average: 8.4%
from 54.9% in 2020
US average: 54.8%
Direct-purchase
from 21.7% in 2020
US average: 13.8%
from 23.8% in 2020
US average: 18.4%
from 14.4% in 2020
US average: 20.9%
VA health care
from 2.3% in 2020
US average: 2.2%
Any private
from 74.7% in 2020
US average: 67.1%
Any public
from 36.3% in 2020
US average: 36.7%
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) 18.2%(98)
Gulf War (1990s) 23.8%(128)
Share of the 538 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.
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Drill deeper
Places similar to Marion County Head to head
Compare Marion County to nearby counties MARION COUNTY VS
Chase County
Income $56,484 −13%
Home value $109,700 −12%
Population 2,572 −78%
SEE FULL COMPARISON →
MARION COUNTY VS
Harvey County
Income $74,368 +15%
Home value $180,300 +45%
Population 33,580 +189%
SEE FULL COMPARISON →
MARION COUNTY VS
McPherson County
Income $78,851 +22%
Home value $211,200 +70%
Population 30,064 +158%
SEE FULL COMPARISON →
MARION COUNTY VS
Morris County
Income $58,686 −9%
Home value $129,600 +4%
Population 5,348 −54%
SEE FULL COMPARISON →
Frequently asked
How many people live in Marion County, Kansas? Marion County, Kansas has about 11,754 residents according to the 2024 American Community Survey.
What is the median household income in Marion County, Kansas? The typical household in Marion County, Kansas earns about $64,695 a year. Half of households make more than that, and half make less.
Is Marion County, Kansas expensive? In Marion County, Kansas, the median home is worth about $124,200, and the typical rent is about $727 a month.
How educated are people in Marion County, Kansas? About 30.4% of adults age 25 and over in Marion County, Kansas hold a bachelor's degree or higher.
What is the poverty rate in Marion County, Kansas? About 9.2% of people in Marion County, Kansas live below the federal poverty line.
Has Marion County, Kansas grown since 1990? Yes, Marion County, Kansas has shrunk since 1990. The population has lost about 1,134 residents, a change of about -9 percent over that period.
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