Marion County Population 2018

Marion County's estimated population is 11,986 with a growth rate of -0.30% in the past year according to the most recent United States census data. Marion County is the 37th largest county in Kansas.

Year Population Growth Growth Rate
201711,986-36-0.30%
201612,022-22-0.18%
201512,044-138-1.13%
201412,182-18-0.15%
201312,200-173-1.40%
201212,373-170-1.36%
201112,543-127-1.00%
201012,670-218-1.69%
199012,888-634-4.69%
198013,522-413-2.96%
197013,935-1,208-7.98%
196015,143-1,164-7.14%
195016,307-2,644-13.95%
194018,951-1,788-8.62%
193020,739-2,184-9.53%
192022,9235082.27%
191022,4151,7398.41%
190020,6761370.67%
189020,5398,08664.93%
188012,45311,6851521.48%
1870768694937.84%
1860740.00%

Marion County Population Growth

Population Data via

Marion County Race Data

Race Population Percentage
White11,61996.94%
Two or More Races2111.76%
Black or African American1301.08%
American Indian and Alaska Native990.83%
Asian540.45%
Native Hawaiian and Other Pacific Islander70.06%

Marion County Population Pyramid

0k0k0k0k0k1k Male Population0k0k0k0k0k1k Female Population8580757065605550454035302520151050
Data Sources
  1. US Census City/Town Population estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. Population of States and Counties of the United States: 1790 - 1990