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Riley County, KS
9 cities and towns and 6 ZIP codes in Riley County, Kansas.
Population
71,946
Land area
610sq mi
People per sq mi
118
ZIP codes
6
Cities and towns in Riley County
Riley County at a glance
- Riley County is about 3.3 times as dense as Kansas as a whole.
- By population, it ranks 7th among 105 counties in Kansas.
- The median household income is $61,098, 18% below the Kansas median of $74,275.
- A typical owner-occupied home is valued at $237,100 (9% above Kansas) and median rent is $1,046 a month.
- Its largest cities are Manhattan (54,239), Fort Riley (8,606) and Ogden (1,696).
Local data for Riley County, KS
Counts from official public data
- Hospitals2
- Emergency Rooms1
- Nursing Homes4
- Schools19
- Colleges4
- Libraries3
- Banks25
- Post Offices5
- Parks38
- Grocery Stores10
- Restaurants183
- Affordable Housing4
- Home Health Agencies2
- Hospice Care2
- Dialysis Centers1
- Community Health Centers1
- Mental Health & Addiction Treatment1
- Private Schools1
- Community Colleges & Trade Schools2
- Superfund Sites1
- Toxic Release Facilities1
- Historic Places29
Housing and community stats
Riley County, KS, American Community Survey 2020-2024
Median household income
$61,098
Poverty rate
19.9%
Median home value
$237,100
Prices +2.0% in a year
Median rent
$1,046/mo
Homeownership
46.1%
Bachelor's or higher
48.9%
Median age
25.5
Average commute
16.3 min
Largest reported origins and ancestries: German Americans (19,151), Irish Americans (7,711), Mexican Americans (4,755).
Economy and federal money
Jobs, income, federal spending and pandemic loans
Unemployment rate
4.4%
Aug 2026, +0.6 pts in a year
Average annual pay
$53,972
30,406 jobs, 2025
Income per person
$55,837
BEA, 2024
Federal spending
$529M
FY 2026, $7,355 per person
PPP loans
$27.47M
743 loans, 3,436 jobs reported
Campaign donations
$315K
Itemized, 2026 cycle
How people get to work
Riley County, KS, workers 16 and older. American Community Survey 5-year estimates
- Drove alone64.5%
- Carpooled8.8%
- Public transit0.2%
- Walked13.6%
- Bicycle0.5%
- Taxi, ride-hailing, motorcycle or other1.2%
- Worked from home11.2%
Average one-way commute: 16.3 minutes for people who do not work from home.
Environment and hazard risk
Riley County, KS, from FEMA, NOAA and EPA
Natural hazard risk
Relatively Low
Top: winter weather
Storm events since 1996
708
Most often hail
Flood insurance policies
314
1.5% of homes, county
July high / Jan low
90° / 16°F
33.8 inches of rain a year
Hazards, floods and storm historyCheck a flood zone29 historic places
Health statistics
Share of adults in Riley County, KS, CDC PLACES estimates
Obesity
26.4%
U.S. 33.3% -6.9 pts
Diabetes
7.2%
U.S. 12.1% -4.9 pts
Smoking
11.8%
U.S. 12.8% -1.0 pts
Uninsured (18-64)
9.3%
U.S. 11.1% -1.8 pts
Cities, towns and ZIP codes in Riley County
Population shown
Frequently asked questions
- What is the largest city in Riley County, KS?
- Manhattan is the largest city or town in Riley County, with about 54,239 residents.
- How many ZIP codes are in Riley County?
- Riley County includes 6 ZIP Code Tabulation Areas, including 66449, 66503, 66506, 66517, 66531.
- What is the population of Riley County, KS?
- About 71,946 people live in Riley County, based on American Community Survey 5-year estimates.
- What counties border Riley County?
- Riley County borders Geary County, Pottawatomie County, Marshall County, Clay County, Wabaunsee County, Washington County.
Source: U.S. Census Bureau (TIGER/Line boundaries, American Community Survey) · Data as of 12/31/2023