United States › Kentucky › Marion County COUNTY
Marion County Kentucky · 20,115 residents (2025 est.) · 344 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
With 19,749 people, Marion County is a county in Kentucky. Four-year degrees are less common here than nationally, at 15% of adults. 78% of homes are owner-occupied. The typical home is worth $168,100, having more than doubled since 2000. The foreign-born share is 3%. Median rent is $726 a month.
At a glance
Lower income
below the US median
US median: $82,259
Mid-age
median age 40.4
US median: 38.9
Less educated
15% hold a bachelor's degree
US average: 36%
Less affordable
home values up 31%, inflation adjusted
US median home: $376,019
Section 01
Population & growth from 18,212 in 2000
20,115 in 2025 (Census Bureau estimate)
from 56 / sq mi in 2009
US average: 281
from 35.4 in 2000
US average: 38.9
Population, 1990 – 2024
16K 17K 18K 19K 20K 1990 2000 2010 2020 2024 Marion County Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $59,627
+8%inflation adjusted, since 2000
from $30,387 in 2000
US average: $82,259
from $14,472 in 2000
US average: $44,673
Households earning $100K+
from 21.2% in 2009
US average: 53.3%
from 18.6% in 2000
US average: 12.5%
from 0.442 in 2010
US average: 0.476
Workforce by industry, 2024
Professional, scientific, technical 3.6%
Agriculture, forestry, fishing 2.4%
Transportation & warehousing 2.2%
Public administration 1.9%
Education & health services 0.4%
Arts, entertainment, food 0.4%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
$168,100
+31%inflation adjusted, since 2000
from $70,200 in 2000
US average: $376,019
$726
+13%inflation adjusted, since 2000
from $353 in 2000
US average: $1,442
from 78.1% in 2000
22.3% rent
from 10.7% in 2009
US average: 10.0%
from 2.69 people in 2009
US average: 2.54
from 24.2% in 2009
US average: 22.9%
from 35.5% in 2009
US average: 47.4%
from 2.5 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 88.8%(16,176)
Hispanic / Latino 0.8%(144)
2024
White, non-Hispanic 86.4%(17,065)
Hispanic / Latino 3.7%(723)
from 29 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
from 31 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
+ 15 more ancestry groups with data from 9.1% in 2000
US average: 35.6%
High school or higher
from 70.5% in 2000
US average: 89.6%
from 4.0% in 2000
US average: 14.0%
Section 06
Commute & transportation from 18.3 min in 2000
US average: 26.5
from 83.4% in 2009
US average: 68.9%
from 12.3% in 2009
US average: 8.5%
from 0.3% in 2009
US average: 3.2%
from 1.8% in 2009
US average: 15.0%
from 0.8% in 2009
US average: 2.4%
from 0.0% in 2009
US average: 0.4%
from 8.3% in 2009
US average: 8.3%
Section 07
Work & employment from 6.9% in 2011
US average: 5.2%
from 55.8% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 64.8% in 2020
US average: 74.6%
from 12.5% in 2009
US average: 13.1%
from 25.7% in 2009
US average: 42.5%
Section 08
People & community from 1.8% in 2009
US average: 14.1%
from 7.7% in 2009
US average: 6.2%
from 13.5% in 2012
US average: 13.3%
from 11.4% in 2013
US average: 8.4%
from 62.8% in 2017
US average: 91.0%
Computer in household
from 82.7% in 2020
US average: 95.5%
from 87.2% in 2020
US average: 87.7%
from 96.9% in 2016
US average: 77.7%
from 2.0% in 2016
US average: 13.6%
Marital status
Men 15+
Never married 32.3%(2,564)
Women 15+
Never married 28.6%(2,281)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 11.4% in 2013
US average: 8.4%
from 52.9% in 2020
US average: 54.8%
Direct-purchase
from 11.3% in 2020
US average: 13.8%
from 21.7% in 2020
US average: 18.4%
from 32.6% in 2020
US average: 20.9%
VA health care
from 2.6% in 2020
US average: 2.2%
Any private
from 62.9% in 2020
US average: 67.1%
Any public
from 49.0% 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) 18.7%(192)
Gulf War (1990s) 23.9%(245)
Share of the 1,026 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
Taylor County
Income $60,456 +1%
Home value $174,200 +4%
Population 26,763 +33%
SEE FULL COMPARISON →
MARION COUNTY VS
Washington County
Income $61,616 +3%
Home value $179,200 +7%
Population 12,368 −39%
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MARION COUNTY VS
Nelson County
Income $69,562 +17%
Home value $238,000 +42%
Population 49,036 +144%
SEE FULL COMPARISON →
MARION COUNTY VS
Boyle County
Income $61,159 +3%
Home value $209,900 +25%
Population 31,632 +57%
SEE FULL COMPARISON →
Frequently asked
How many people live in Marion County, Kentucky? Marion County, Kentucky has about 19,749 residents according to the 2024 American Community Survey.
What is the median household income in Marion County, Kentucky? The typical household in Marion County, Kentucky earns about $59,627 a year. Half of households make more than that, and half make less.
Is Marion County, Kentucky expensive? In Marion County, Kentucky, the median home is worth about $168,100, and the typical rent is about $726 a month.
How educated are people in Marion County, Kentucky? About 15.1% of adults age 25 and over in Marion County, Kentucky hold a bachelor's degree or higher.
What is the poverty rate in Marion County, Kentucky? About 17.0% of people in Marion County, Kentucky live below the federal poverty line.
Has Marion County, Kentucky grown since 1990? Yes, Marion County, Kentucky has grown since 1990. The population has added about 3,250 residents, a change of about 20 percent over that period.
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