County Data

American Community Survey Profiles

Single Year Estimates

These are general profiles of counties with populations over 65,000, including information on population and housing.

	2011 Estimate
Butler	pdf
Douglas	pdf
Johnson	pdf
Leavenworth	pdf
Riley	pdf
Sedgwick	pdf
Shawnee	pdf
Wyandotte	pdf

 

County Population Estimates

This table includes the annual population estimates from July 1, 1970 through July 1, 2012 for the U.S., Kansas and Kansas counties.

• Kansas Population Estimate by County 1970-present

These tables show the most recent County Population Estimates (July 1, 2012) and the estimates of Components of Change, such as births, deaths and migration:

• County Population Estimates July 1, 2012
• Components of Population Change July 1, 2012

Population estimates for Kansas Metropolitan and Micropolitan Statistical Areas and Combined Statistical Areas.

• Metro/Micro Estimates July 1, 2012
• Combined Statistical Areas July 1, 2012

Tables of population change 2010-2012. The tables include numeric and percent change, as well as ranking by change.

• County Population Change

The following tables present county population estimates by demographic characteristics for July 1, 2012 estimates.

• County Demographic Details (Age, Sex, Race, Hispanic ancestry)
• Estimate of Population under 18, over 65 and Median Age by County

County	July 1, 2012 Population Estimate
Johnson	559,913
Sedgwick	503,889
Shawnee	178,991
Wyandotte	159,129
Douglas	112,864
Leavenworth	77,739
Riley	75,508
Butler	65,827
Reno	64,439
Saline	55,988

 

Please note that when the Census Bureau releases new population estimates, the previous estimates are often revised.

County Population Projections

The Center for Economic Development and Business Research at Wichita State University has created the following projections by Kansas County by age for 2000-2030.

• Projections Based on 2000-2005 Migration Rates
• Projections Based on Zero Migration

Historic Census Data

This table shows the decennial Census count of the state and current counties from 1900-2010.

• County Population 1900 - 2010

The following table includes the decennial count for the state and counties, including historic county names in use at the time of the Census. 

• County Population and Notes 1860 - 2010

These are the notes from the 1920 Decennial Census that explain the name and boundary changes to counties between 1860 and 1920.

• 1920 Notes on County Names and Boundaries

County QuickFacts

The US Census Bureau's QuickFacts page provides the most recent information on the State, Counties and about 50 cities.  You can access QuickFacts here, then use the drop down menu to find the county you are interested in. 

 

If you need information not found here, please contact the State Data Center at KSLIB_SDC@library.ks.gov.

---