Population

Jefferson County Population

The following population results are as of July 1, 2020, and were certified to the Secretary of State by the Division of the Budget on July 1, 2022. Link to website 

Jefferson County Total Population: 18,411
City
 Population
McLouth 858
Meriden 740
Nortonville 599
Oskaloosa 1086
City Population
Ozawkie 636
Perry 858
Valley Falls
 1086
Winchester 450
See full County map.  Click City name to view City map.

Townships

Township Population
Delaware 726
Fairview 1,647
Jefferson 623
Kaw 1396
Kentucky 695
Norton 257
Township Population
Oskaloosa 1072
Ozawkie 1020
Rock Creek
 2054
Rural 797
Sarcoxie 1003
Union 808
See Township map.

 
More Information
For more information, please contact the County Clerk's Office at (785) 403-0483.