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Welcome to Riley County ...

Time Zone: Riley County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Manhattan is the Seat for Riley County.

Riley County is one of the original counties of Kansas and was founded August 25, 1855.

From the Census Estimates for 2019, <1> Riley had a population of 74,232 people. This is an increase of 3.75% since the last Census (which gave a population of 71,551 people in 2010).

At the time of the 2010 Census, Riley represented 2.51% of the total population of Kansas.

Below are some of the communities located in Riley County:

  • Leonardville
    (12 miles [19.3 km] to the northwest)
    • Jump to our Gazetteer entry for Leonardville
    • Leonardville is located in Riley County (KS)
    • Population from the 2020 Census: 432 people
    • Leonardville has also been known as:
    • Leonard
    • Jump to TripAdvisor's Tourism page for Leonardville <2>
  • Manhattan
    (6 miles [9.7 km] to the southeast)
  • Ogden
    (9 miles [14.5 km] to the south)
    • Jump to our Gazetteer entry for Ogden
    • Ogden is located in Riley County (KS)
    • Population from the 2020 Census: 1,956 people
    • Jump to TripAdvisor's Tourism page for Ogden <2>
  • Randolph
    (13 miles [20.9 km] to the north)
    • Jump to our Gazetteer entry for Randolph
    • Randolph is located in Riley County (KS)
    • Population from the 2020 Census: 156 people
  • Riley
    (8 miles [12.9 km] to the west)
    • Jump to our Gazetteer entry for Riley
    • Riley is located in Riley County (KS)
    • Population from the 2020 Census: 955 people
    • Former names for Riley:
    • Riley Center
    • Union
    • Jump to TripAdvisor's Tourism page for Riley <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.