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Osage County, Kansas Demographics 2026

Osage County, Kansas has a population of 15,744, the 32nd most populous county in Kansas. The median household income is $74,467 and the median home value is $156,800. The poverty rate is 9.7%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Osage County Quick Facts

Population 15,744
Median Household Income $74,467
Median Home Value $156,800
Poverty Rate 9.7%
Unemployment Rate 1.9%
Median Age 42.9 years
Homeownership Rate 82.3%
Affordability Ratio 2.1x
Bachelor's Degree+ 21.6%
High School Graduation 93.7%
Cities/Places 10
Population 15,744 32nd of 105
Median Income $74,467 about the same as state
Poverty Rate 9.7%
Unemployment 1.9%

How Osage County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric2019–20232020–2024Change
Population15,78015,744-0.2%
Median household income$70,216$74,467+6.1%
Median home value$142,800$156,800+9.8%

Economy & Housing

Household Income Distribution

Under $25K 13.4%
$25K-$50K 18.4%
$50K-$100K 36.6%
$100K+ 31.6%
Detailed income brackets
Under $10K
3.8%
$10K-$15K
2.6%
$15K-$20K
2.9%
$20K-$25K
4.0%
$25K-$30K
3.8%
$30K-$35K
4.3%
$35K-$40K
2.4%
$40K-$45K
3.8%
$45K-$50K
4.2%
$50K-$60K
7.1%
$60K-$75K
11.5%
$75K-$100K
18.1%
$100K-$125K
12.3%
$125K-$150K
8.2%
$150K-$200K
5.9%
$200K+
5.1%

Employment

1.9% Unemployment Rate State: 3.9%|National: 5.2%
62.1% Labor Force Participation

Housing Overview

Owner 82.3%
Renter 17.6%
Affordability Index Very Affordable
2.1x home value to income ratio
Median gross rent $785/mo 12.6% of median household income annually

People & Demographics

Diversity Index

15out of 100
Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 45 | National average: 61

Education

Cities & Places in Osage County

CityPopulationMedian IncomePovertyHome Value
Osage City2,828$71,1918.9%$155,800
Carbondale1,341$75,75015.2%$119,400
Overbrook1,113$68,9586.5%$146,300
Burlingame1,046$60,2029.9%$86,700
Lyndon1,023$67,2278.8%$114,400
Scranton911$56,79318.4%$75,900
Vassar832$68,0366.3%$176,300
Quenemo353$50,83329.4%$53,800
Melvern352$55,89313.9%$89,100
Olivet180$93,59413.3%$157,700

Population Overview

Osage County is located in Kansas with a total population of 15,744. It is the 32nd most populous county out of 105 in Kansas. The county encompasses 10 Census-designated places.

Age Demographics

The median age in Osage County is 42.9 years. This is 15% higher than the state median of 37.4 years.

Economy, Income & Housing

The median household income in Osage County is $74,467. This is about the same as the state median of $74,275. It is also 8% lower than the national median of $80,734. The poverty rate stands at 9.7%. This is 14% lower than the state poverty rate of 11.3%. The unemployment rate is 1.9%. This is 51% lower than the state rate of 3.9%. The median home value is $156,800. Housing costs are 28% lower than the state median of $217,200. With a home-value-to-income ratio of just 2.1x, Osage County is one of the most affordable housing markets in the area. 82.3% of occupied housing units are owner-occupied. This homeownership rate is 23% higher than the state average of 67.2%.

Race & Ethnicity

Osage County has a predominantly White (non-Hispanic) population, comprising 92.1% of all residents. Hispanic or Latino residents account for 3.4%. The Black or African American population (0.3%) is well below the state average of 5.1%. The Hispanic or Latino population (3.4%) is well below the state average of 13.6%. The Asian population (0.1%) is well below the state average of 2.9%.

Education

21.6% of residents aged 25 and older hold a bachelor's degree or higher. This is 39% lower than the state rate of 35.6%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 93.7%.

Data Sources & Methodology

All figures for Osage County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Kansas and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Osage County, Kansas?

Osage County has a population of 15,744, making it the 32nd most populous county in Kansas.

What is the median income in Osage County?

The median household income in Osage County is $74,467 with a poverty rate of 9.7%.

How many cities are in Osage County, Kansas?

Osage County contains 10 Census-designated places.