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Map of Washington County, Kansas
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Total Population

    Percent Change
Area 2010202020222010 - 20202020 - 2022
State of Kansas2,853,1182,937,8802,937,1503.0increase0.0decrease

Source: U.S. Census Bureau: Decennial Census

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Population by Race and Ethnicity

Race 20102020Percent Change
Other Race5611198.2increase
Black or African American2513-48.0decrease
American Indian and Alaskan Native145-64.3decrease
Native Hawaiian and Other Pacific Islander02- 
Two or more races53242356.6increase
Hispanic or Latino14427591.0increase
Percent of Total Population2.55.0  
Source: U.S. Census Bureau

Population by Age

Age Group 20102020Percent Change
Age 0-433937811.5increase
Age 5-932940723.7increase
Age 10-14403333-17.4decrease
Age 15-19361284-21.3decrease
Age 20-2421124114.2increase
Age 25-29284255-10.2decrease
Age 30-3426331921.3increase
Age 35-3928732011.5increase
Age 40-44317272-14.2decrease
Age 45-49425273-35.8decrease
Age 50-54461301-34.7decrease
Age 55-593984256.8increase
Age 60-6437842011.1increase
Age 65-693463583.5increase
Age 70-7428331310.6increase
Age 75-79255242-5.1decrease
Age 80-84210172-18.1decrease
Age 85 and over249217-12.9decrease
Source: U.S. Census Bureau

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Median Age

Area 20102020Percent Change
State of Kansas36.037.43.9increase

Source: U.S. Census Bureau: Decennial Census

Components of Population Change

Natural Change
Net Migration
(inflow - outflow)
Area 2000-20102010-20202000-20102010-2020
State of Kansas158,716110,6245,578-25,875

Source: calculated by the Institute for Policy and Social Research, The University of Kansas using data from U.S. Census Bureau

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2015-19 County-to-County Migration by Region

[Click to enlarge]
States are grouped by BEA Region ( with the exception of Colorado, Missouri, Nebraska, and Oklahoma which are shown individually.
Kansas counties that are not in an EDD (Brown, Douglas, Franklin, Jackson, Jefferson, Nemaha, Osage, and Shawnee) are shown combined with the MO-KAN counties (Atchison and Doniphan) as Northeast Kansas. A reference map of regions in Kansas is available in PDF and JPG.

Educational Attainment

Population age 25 and over

Highest Completed Level 20162021Percent Change
Less than 9th grade15186-43.0 
9th-12th grade, no diploma196158-19.4 
High school graduate, inc. equivalency1,4241,58911.6 
Some college, no degree929787-15.3 
Associate degree523373-28.7 
Bachelor's degree5605640.7 
Graduate or professional degree16830179.2 
Percent completed high school or higher91.293.72.7increase
Percent completed bachelor's degree or higher18.422.421.7increase

Source: U.S. Census Bureau

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