Riley County Population 2017

Riley County's estimated population is 73,343 with a growth rate of -2.61% in the past year according to the most recent United States census data. Riley County is the 7th largest county in Kansas.

Year Population Growth Growth Rate
201673,343-1,969-2.61%
201575,3126140.82%
201474,698-804-1.06%
201375,502-771-1.01%
201276,2732,9354.00%
201173,3381,7322.42%
201071,6064,4676.65%
199067,1393,6345.72%
198063,5056,71711.83%
197056,78814,87435.49%
196041,9148,50925.47%
195033,40512,78862.03%
194020,6177353.70%
193019,882-768-3.72%
192020,6504,86730.84%
191015,7831,95514.14%
190013,8286454.89%
189013,1832,75326.40%
188010,4305,325104.31%
18705,1053,881317.08%
18601,2240.00%

Riley County Population Growth

Population Data via

Riley County Race Data

Race Population Percentage
White63,04485.96%
Black or African American5,2647.18%
Asian3,6554.98%
Two or More Races2,6093.56%
American Indian and Alaska Native5440.74%
Native Hawaiian and Other Pacific Islander1960.27%

Riley County Population Pyramid

0k2k4k6k8k10kRiley County Male Population0k2k4k6k8k10kRiley County Female Population

Population of Cities in Riley County

City 2010 Census 2016 Estimated Growth Growth Rate
Manhattan523025498326815.13%
Ogden20872022-65-3.11%
Riley958972141.46%
Leonardville450440-10-2.22%
Randolph16316300.00%
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