County · Kansas

Riley County, Kansas

Riley County, Kansas. Riley County had 72,598 residents in 2025 by the Census Bureau's estimate, up 0.9% since 2020, in line with Kansas (+1.3%). It holds 23 places (5 cities, villages and boroughs, 14 towns and townships and 4 census-designated) and 17 census tracts. GEOID 20161.

Riley County is one of the 3 counties of the Manhattan, KS metropolitan statistical area (the Census Bureau's July 2023 delineation).

Residents, July 2025 estimate

72,598

Census Bureau estimate (no margin published)
2020 Census count: 71,959 · ACS 2020-2024: 71,946

Median household income

$61,098

±$1,445 (90% margin)
Kansas: $74,275

Median home value

$237,100

±$11,412 (90% margin)
Kansas: $217,200

Median gross rent

$1,046

±$38 (90% margin)
Kansas: $1,060

How many people live in Riley County, and is it growing?

The 2020 Census counted 71,959 residents in Riley County. The Census Bureau estimates 72,598 for July 1, 2025, up 0.9% since 2020, in line with Kansas (+1.3%). The 2020-2024 American Community Survey puts the population at 71,946 over 610 square miles of land.

  • July 2020→2021 −122 (71,889)
  • 2021→2022 −302 (71,587)
  • 2022→2023 −57 (71,530)
  • 2023→2024 +542 (72,072)
  • 2024→2025 +526 (72,598)
Riley County in Kansas. Boundaries: Census Bureau 2024.
Counts, ACS 2020-2024 5-year estimates, with the change from 2015-2019
MeasureRiley CountyKansasChange since 2015-2019
Total population71,9462,947,197−3,110
Households27,695±4671,174,060+1,205
Average household size2.22±0.042.44−0.24
Housing units30,755±821,293,635no clear change

Riley County's population since 2000

From 62,843 in 2000 to 72,598 in 2025: up 15.5%. The 2000, 2010 and 2020 figures are census counts. The 2005 figure is the Census Bureau's intercensal estimate, revised to fit the 2000 and 2010 counts and drawn on 2010 boundaries; 2015 and 2025 are July 1 estimates made from the census before them.

  • 2000 Census 62,843
  • 2005 (estimate) 64,751
  • 2010 Census 71,115
  • 2015 (estimate) 77,293
  • 2020 Census 71,959
  • 2025 (estimate) 72,598

Source: The 2000, 2010 and 2020 Census counts and the Census Bureau's population estimates (intercensal 2000-2010, Vintage 2020, Vintage 2025) · Census population estimates

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); PEP Vintage 2025 (CO-EST2025); 2020 Census · Check it at data.census.gov

What cities and towns are in Riley County?

Riley County holds 23 places: 5 cities, villages and boroughs (incorporated places), 14 towns and townships (county subdivisions with their own government) and 4 census-designated places. The largest is Manhattan with 54,673 residents (2025 estimate). Places that cross a county line are listed with the share of their 2020 residents who live in this county.

Places in Riley County, ACS 2020-2024 5-year estimates. Ring: estimate with a coefficient of variation over 40%.
Manhattancity54,10054,239±52$60,172$246,70023.3%100%
Madison Township, Riley Countytownship9,4329,271±20$56,367$185,90010.9%100%
Fort RileyCDP9,2308,606±566$54,362not published10.7%90%
Manhattan Townshiptownship2,1901,779±422$63,182$171,4008.1%100%
Ogden Townshiptownship2,0292,345±451$83,864$199,7004.2%100%
Ogdencity1,6611,696±387$68,421$156,8005.9%100%
Rileycity938943±225$93,750$163,1004.9%100%
Grant Township, Riley CountyGEOID 2016128075township870779±248$166,648$364,1009.8%100%
Wildcat Township, Riley CountyGEOID 2016179175township786771±245$80,924$244,4000.0%100%
Bala Townshiptownship740767±265$82,386$158,8004.8%100%
Sherman Township, Riley Countytownship585775±290$97,417$205,5001.3%100%
Leonardvillecity432514±172$77,083$110,4007.4%100%
Zeandale TownshipGEOID 2016180900township360172±101not publishednot published24.4%100%
Jackson Township, Riley CountyGEOID 2016134900township273441±175$108,125$158,9005.2%100%
Swede Creek TownshipGEOID 2016169650township204216±86$122,279$425,0000.0%100%
RandolphGEOID 2058475city159178±61$82,500$150,00012.9%100%
Ashland TownshipGEOID 2016102725township14787±53not published$292,9000.0%100%
KeatsGEOID 2036200CDP96182±168$36,557not published0.0%100%
May Day TownshipGEOID 2016145225township86102±94not publishednot published6.9%100%
Center Township, Riley CountyGEOID 2016112100township81126±89$92,250$258,9005.6%100%
Fancy Creek TownshipGEOID 2016122950township7676±78not publishednot published52.6%100%
ZeandaleGEOID 2080875CDP620±11not publishednot published–100%
BalaGEOID 2003800CDP290±11not publishednot published–100%

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); 2020 place-by-county parts · Check it at data.census.gov

Who lives in Riley County?

The median resident of Riley County is 25.5 years old; 16.1% are under 18 and 10.0% are 65 or older. The largest group is non-Hispanic white residents at 73.6%, then Hispanic or Latino residents (of any race) at 10.0%. 6.7% of residents were born outside the United States.

Age, origin and education, ACS 2020-2024 5-year estimates. Race groups are non-Hispanic; Hispanic includes any race.
MeasureRiley CountyKansasChange since 2015-2019
Median age25.5±0.137.4+0.4
Under 18 years16.1%23.8%–
65 years and over10.0%±0.1 pts17.0%–
Hispanic or Latino (any race)10.0%13.6%+1.7 pts
White alone, not Hispanic73.6%±0.5 pts72.7%−2.9 pts
Black or African American alone, not Hispanic6.4%±0.5 pts5.2%no clear change
Asian alone, not Hispanic4.1%±0.4 pts2.9%−0.8 pts
American Indian and Alaska Native alone, not Hispanic0.2%±0.1 pts0.4%–
Native Hawaiian and Other Pacific Islander alone, not Hispanic0.1%±0.1 pts0.1%–
Two or more races, not Hispanic4.9%±0.7 pts4.8%–
Some other race alone, not Hispanic0.6%±0.4 pts0.4%–
Born outside the United States6.7%±1.0 pts7.4%−1.4 pts
Speak a language other than English at home (age 5+)8.7%±1.1 pts12.1%–
Civilian veterans (age 18+)7.7%±0.9 pts6.8%–
With a disability12.3%±1.1 pts13.5%–
No health insurance coverage7.0%±1.2 pts8.8%no clear change
High school graduate or higher (age 25+)97.0%±0.7 pts92.0%–
Bachelor's degree or higher (age 25+)48.9%±2.2 pts35.6%+3.3 pts
Graduate or professional degree (age 25+)22.2%±1.7 pts13.4%–
Moved from another state in the past year5.4%±0.9 pts3.0%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profiles DP02, DP05) · Check it at data.census.gov

What do households in Riley County earn?

Half of Riley County's 27,695 households earn less than $61,098 a year (±$1,445), against $74,275 in Kansas. In 2015-2019 it was $63,021 in 2024 dollars; the margins of error cannot tell the two periods apart. 19.9% of residents live below the poverty line.

Income and poverty in 2024 dollars, ACS 2020-2024 5-year estimates
MeasureRiley CountyKansasChange since 2015-2019
Median household income$61,098±$1,445$74,275no clear change
Mean household income$85,480±$3,833$100,417–
Per capita income$36,484±$1,558$40,978+$2,921
People below the poverty line19.9%±1.7 pts11.3%−2.5 pts
Children under 18 below the poverty line14.0%±3.1 pts13.1%no clear change
Households receiving SNAP6.7%±1.5 pts6.8%–
Households with a broadband subscription91.9%±1.6 pts90.7%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What does housing cost in Riley County?

Owners occupy 46.1% of Riley County's occupied homes and renters 53.9%. The median owner-occupied home is valued at $237,100 by its owner (±$11,412). The median renter pays $1,046 a month including utilities, and 41.5% of renters pay 35% or more of their income on rent.

Housing, ACS 2020-2024 5-year estimates
MeasureRiley CountyKansasChange since 2015-2019
Median home value (owner-occupied)$237,100±$11,412$217,200no clear change
Median gross rent$1,046±$38$1,060−$118
Renters paying 35% or more of income on rent41.5%±3.8 pts34.5%no clear change
Median monthly owner costs, with a mortgage$1,761±$69$1,689–
Owner-occupied homes46.1%±1.6 pts67.2%+2.9 pts
Housing units30,755±821,293,635no clear change
Homeowner vacancy rate1.7%±1.1 pts0.9%–
Rental vacancy rate5.6%±1.9 pts6.2%–
Single-family detached homes50.0%±2.0 pts71.8%–
Mobile homes5.0%±1.3 pts4.0%–
Built 2020 or later0.7%±0.3 pts1.4%–
Built 1939 or earlier8.5%±1.2 pts15.4%–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP04) · Check it at data.census.gov

How many new homes is Riley County building?

Builders took permits for 243 new housing units across Riley County in 2025 (93 single-family), 3.3 per 1,000 residents.

  • 2019 127 units
  • 2020 225 units
  • 2021 82 units
  • 2022 136 units
  • 2023 112 units
  • 2024 126 units
  • 2025 243 units

Source: Building Permits Survey, annual county files 2019-2025, U.S. Census Bureau · Census Building Permits Survey

How do people in Riley County get to work?

64.5% of Riley County's workers drive alone and 11.2% work from home. The average trip to work takes 16.3 minutes. The unemployment rate in 2020-2024 averaged 3.8%.

Work and commuting, ACS 2020-2024 5-year estimates
MeasureRiley CountyKansasChange since 2015-2019
In the labor force (age 16+)71.5%±1.7 pts66.1%–
Unemployment rate3.8%±0.9 pts3.9%−2.0 pts
Drove alone to work64.5%±1.9 pts75.4%–
Carpooled8.8%±1.5 pts8.7%–
Public transportation0.2%±0.1 pts0.4%–
Walked13.6%±1.2 pts2.3%–
Worked from home11.2%±1.4 pts11.8%+5.5 pts
Mean travel time to work16.3 min±1.519.7 minno clear change

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) (Data Profile DP03) · Check it at data.census.gov

What are Riley County's census tracts?

Riley County is divided into 17 census tracts. Among those with a reliable estimate, median household income runs from $23,456 (Tract 11.01) to $100,790 (Tract 6.02).

Census tracts of Riley County, ACS 2020-2024 5-year estimates; sort by any column
Tract 2.0120161000201Manhattan (32%)3,1882,566±491$53,243not published$1,02821.7%
Tract 2.0220161000202Manhattan (93%)6,8146,231±771$57,750$145,100$1,12011.5%
Tract 3.0320161000303Manhattan2,9513,139±299$31,975$193,800$94149.7%
Tract 3.0420161000304Manhattan4,4355,332±639$64,183$287,800$97034.1%
Tract 520161000500Manhattan4,2774,558±640$34,544$158,000$92543.6%
Tract 6.0120161000601Manhattan3,7733,370±312$84,028$287,600$1,0896.2%
Tract 6.0220161000602Manhattan (79%)6,4396,983±682$100,790$384,100$1,3345.3%
Tract 720161000700Manhattan3,8113,674±477$63,250$235,800$87421.5%
Tract 8.0120161000801Manhattan3,7863,747±609$25,852$192,700$85143.4%
Tract 8.0220161000802Manhattan2,0841,941±480$52,297$150,400$1,14919.9%
Tract 920161000900Ogden (24%)5,1305,163±584$67,039$232,700$98316.2%
Tract 10.0220161001002Fort Riley (51%)8,2798,173±271$52,738not published$1,20212.6%
Tract 11.0120161001101Manhattan (89%)4,2714,265±326$23,456$240,400$78146.7%
Tract 11.0220161001102Manhattan (94%)3,7332,963±352$61,270$256,700$76824.9%
Tract 13.0120161001301Manhattan (82%)4,0374,729±468$98,836$349,300$1,11512.9%
Tract 13.0220161001302Riley (9%)4,9505,112±517$95,667$216,500$7554.8%
Tract 980020161980000–10±11not publishednot publishednot published–

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) · Check it at data.census.gov

How does Riley County compare with Kansas's other counties?

Riley County's rank among Kansas's counties with a reliable estimate (1 = highest)
MeasureRank
Population7th of 105
Growth 2020-202516th of 105
Residents per square mile7th of 105
Median household income70th of 105
Median home value6th of 105
Median gross rent9th of 104
Poverty rate2nd of 102
Bachelor's degree or higher3rd of 105
Median age105th of 105

Every county in Kansas

Source: PlainCities ranks from the American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026) and PEP Vintage 2025 · How ranks are computed

How these figures are made: methodology and release checks · reading a margin of error · every state · corrections

Not on this page: crime, weather and schools for Riley County are other agencies' records. Crime: the FBI's Crime Data Explorer · climate: NOAA's U.S. Climate Normals · schools: the National Center for Education Statistics' school search.