Riley County, Kansas

Riley County: County in Kansas, United States


Riley County is a county located in the U.S. state of Kansas. As of the 2010 census, the population was 71,115 and a population density of 44 people per km². After 10 years in 2020 county had an estimated population of 73,202 inhabitants. Its county seat is Manhattan. The county was created 167 years ago in 1855.

Quick Facts about Riley County

Population : 73,202 (2020)
Country : United States of America
State : Kansas (United States)
Area : 1611 km2
Water as percent of area : 2%
Land as percent of area : 98%
Named for : Bennett C. Riley
Altitude : 1,316 feet / 401 meters
Capital : Manhattan
Establishment : August 08, 1855
Time Zone : Central Time Zone
Local time : 23:24:36 (8th February 2023)
Density : 45 Pop. per km² as of 2020
Population growth : 2.85% (2010-2020)
Riley County locator map
Location of Riley County on Kansas map.
Riley 'Kansas' County Courthouse 1 image
Riley 'Kansas' County Courthouse 1
Riley 'Kansas' County Courthouse 1 image


Riley County is located at 39°17'47"N 96°44'7"W (39.2964600, -96.7351800). It has 6 neighbors: Clay County, Geary County, Marshall County, Pottawatomie County, Wabaunsee County and Washington County.

Riley County map

The largest city of Riley County is Manhattan with a population of 2,314. Other cities include, Ogden population 1,956, Riley population 955, Bala population 700 and Leonardville population 432. See all Riley County cities & populated places.

Riley County Populated Places

Cities, Towns, Neighborhoods & Other Populated Places in Riley County.

City Name Population Title
Manhattan 2,314 Borough of New York City, New York, United States
Ogden 1,956 City in Riley County, Kansas, United States of America
Riley 955 City in Riley County, Kansas, United States
Bala 700 Human settlement in United States of America
Leonardville 432 City in the U.
Zeandale 320 Township in Riley County, Kansas
Randolph 156 City in Kansas, United States

Riley County has 6 neighbours.

  • Manhattan


The population of Riley County increased by 2.85% in 10 years.

Year Population % Change Method
2010 71,115 - census
2011 73,424 3.14% estimation process
2012 77,497 5.26% estimation process
2013 76,923 -0.75% estimation process
2014 76,479 -0.58% estimation process
2015 77,185 0.91% estimation process
2016 75,172 -2.68% estimation process
2017 73,977 -1.62% estimation process
2018 74,712 0.98% estimation process
2019 74,232 -0.65% estimation process
2020 73,202 -1.41% estimation process

Comitatul Riley, Comte de Riley, Comté de Riley, Condado de Riley, Condado han Riley, Contea di Riley, Hrabstwo Riley, Okrug Rajli, Quan Riley, Quận Riley, Rajli, Riley, Riley Comitatus, Riley Kun, Riley Kūn, Riley konderria, Riley megye, Rili srjan, lai li xian, mqatʿt rayly, rairi jun, rile ka'unti, shhrstan ryly kanzas, Округ Рајли, Райли, Райлі, Ռիլի շրջան, رائلی کاؤنٹی، کنساس, شهرستان ریلی، کانزاس, مقاطعة رايلي, রিলে কাউন্টি, ライリー郡, 賴利縣

Kansas Other Counties (more counties)

County Name Population Title
Johnson County 607,220 County in Wyoming, United States
Sedgwick County 519,907 County in Kansas, United States
Wichita 391,731 County seat of Sedgwick County, Kansas, United States
Overland Park 197,381 City in the U.
Shawnee County 175,999 County in Kansas, United States
Wyandotte County 165,265 County in Kansas, United States
Kansas City 152,960 County seat of Wyandotte County, Kansas, United States
Douglas County 122,530 County in Kansas, United States
Leavenworth County 82,246 County in Kansas, United States
Butler County 66,992 County in Kansas, United States of America
Shawnee 66,298 City in Oklahoma, United States
Reno County 61,793 County in Kansas, United States
Lenexa 56,156 City in Kansas, United States
Saline County 53,926 County in Kansas, United States
Salina 46,274 City in and the county seat of Saline County, Kansas, United States
Hutchinson 40,209 City in Kansas, United States