United States › Indiana › Knox County COUNTY
Knox County Indiana · 35,652 residents (2025 est.) · 516 sq mi
Time machine
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The short version
With 36,007 people, Knox County is a county in Indiana. Four-year degrees are less common here than nationally, at 19% of adults. The typical home is worth $137,700, having more than doubled since 2000. 2% of people here were born outside the United States. Renters pay $796 a month at the median. Getting to work takes 20 minutes on average.
At a glance
Lower income
below the US median
US median: $82,259
Mid-age
median age 39.0
US median: 38.9
Less educated
19% 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 39,256 in 2000
35,652 in 2025 (Census Bureau estimate)
from 74 / sq mi in 2009
US average: 281
from 36.7 in 2000
US average: 38.9
Population, 1990 – 2024
36K 37K 38K 39K 40K 1990 2000 2010 2020 2024 Knox County Age distribution, 2024
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy $61,237
+7%inflation adjusted, since 2000
from $31,362 in 2000
US average: $82,259
from $16,085 in 2000
US average: $44,673
Households earning $100K+
from 19.8% in 2009
US average: 53.3%
from 16.0% in 2000
US average: 12.5%
from 0.444 in 2010
US average: 0.476
Workforce by industry, 2024
Agriculture, forestry, fishing 4.5%
Professional, scientific, technical 3.2%
Education & health services 2.9%
Public administration 2.5%
Transportation & warehousing 1.6%
Arts, entertainment, food 0.3%
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$137,700
+19%inflation adjusted, since 2000
from $63,400 in 2000
US average: $376,019
$796
+8%inflation adjusted, since 2000
from $403 in 2000
US average: $1,442
from 69.0% in 2000
32.2% rent
from 12.6% in 2009
US average: 10.0%
from 2.30 people in 2009
US average: 2.54
from 19.3% in 2009
US average: 22.9%
from 43.3% in 2009
US average: 47.4%
from 2.1 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%(37,667)
Hispanic / Latino 0.8%(322)
2024
White, non-Hispanic 89.4%(32,206)
Hispanic / Latino 3%(1,076)
from 12 in 2009
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
from 34 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
+ 23 more ancestry groups with data from 14.4% in 2000
US average: 35.6%
High school or higher
from 81.7% in 2000
US average: 89.6%
from 6.9% in 2000
US average: 14.0%
Section 06
Commute & transportation from 13.2 min in 2000
US average: 26.5
from 83.5% in 2009
US average: 68.9%
from 8.1% in 2009
US average: 8.5%
from 0.2% in 2009
US average: 3.2%
from 4.3% in 2009
US average: 15.0%
from 2.7% in 2009
US average: 2.4%
from 0.1% in 2009
US average: 0.4%
from 7.6% in 2009
US average: 8.3%
Section 07
Work & employment from 6.9% in 2011
US average: 5.2%
from 59.9% in 2011
US average: 63.5%
Women 20-64 in the labor force
from 71.2% in 2020
US average: 74.6%
from 11.5% in 2009
US average: 13.1%
from 26.6% in 2009
US average: 42.5%
Section 08
People & community from 1.7% in 2009
US average: 14.1%
from 11.0% in 2009
US average: 6.2%
from 14.6% in 2012
US average: 13.3%
from 14.4% in 2013
US average: 8.4%
from 74.0% in 2017
US average: 91.0%
Computer in household
from 87.8% in 2020
US average: 95.5%
from 82.0% in 2020
US average: 87.7%
from 98.5% in 2016
US average: 77.7%
from 0.5% in 2016
US average: 13.6%
Marital status
Women 15+
Never married 24.9%(3,652)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage from 14.4% in 2013
US average: 8.4%
from 55.1% in 2020
US average: 54.8%
Direct-purchase
from 16.6% in 2020
US average: 13.8%
from 20.0% in 2020
US average: 18.4%
from 20.4% in 2020
US average: 20.9%
VA health care
from 2.7% in 2020
US average: 2.2%
Any private
from 70.1% in 2020
US average: 67.1%
Any public
from 37.2% 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) 20.9%(375)
Gulf War (1990s) 29.5%(531)
Share of the 1,798 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 Knox County Head to head
Compare Knox County to nearby counties KNOX COUNTY VS
Lawrence County
Income $55,324 −10%
Home value $99,100 −28%
Population 13,790 −61%
SEE FULL COMPARISON →
KNOX COUNTY VS
Daviess County
Income $68,503 +12%
Home value $197,200 +43%
Population 34,209 −4%
SEE FULL COMPARISON →
KNOX COUNTY VS
Pike County
Income $71,334 +16%
Home value $154,900 +12%
Population 12,003 −66%
SEE FULL COMPARISON →
KNOX COUNTY VS
Gibson County
Income $67,573 +10%
Home value $180,000 +31%
Population 33,091 −7%
SEE FULL COMPARISON →
Frequently asked
How many people live in Knox County, Indiana? Knox County, Indiana has about 36,007 residents according to the 2024 American Community Survey.
What is the median household income in Knox County, Indiana? The typical household in Knox County, Indiana earns about $61,237 a year. Half of households make more than that, and half make less.
Is Knox County, Indiana expensive? In Knox County, Indiana, the median home is worth about $137,700, and the typical rent is about $796 a month.
How educated are people in Knox County, Indiana? About 19.1% of adults age 25 and over in Knox County, Indiana hold a bachelor's degree or higher.
What is the poverty rate in Knox County, Indiana? About 13.7% of people in Knox County, Indiana live below the federal poverty line.
Has Knox County, Indiana grown since 1990? Yes, Knox County, Indiana has shrunk since 1990. The population has lost about 3,877 residents, a change of about -10 percent over that period.
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