Fort Riley (CDP), Kansas
census-designated place in Geary and Riley counties in Kansas, United States of America

Fort Riley is a census-designated place (CDP) in Geary and Riley counties in the U.S. state of Kansas, on the grounds of Fort Riley. As of the 2020 census, the population was 9,230.
History
Historically, the area is more commonly known as "Custer Hill".
Geography
The Fort Riley CDP is located primarily in southern Riley County at 39°5′18″N 96°48′51″W (39.088222, -96.814092). A small portion of the CDP crosses the county line south into Geary County. According to the United States Census Bureau, the CDP has a total area of 5.1 square miles (13.1 km2), of which 0.01 square miles (0.02 km2), or 0.17%, is water. It is 6 miles (10 km) north of Junction City and 16 miles (26 km) southwest of Manhattan, Kansas.
Demographics
Fort Riley is part of the Manhattan, Kansas Metropolitan Statistical Area.
2000 census
As of the census of 2000, there were 8,114 people, 1,305 households, and 1,277 families residing in the CDP. The population density was 613.1/km2 (1,586.7/mi2). There were 1,335 housing units at an average density of 100.9/km2 (261.1/mi2).
This brief starts where responsible research should: with the source description of “Fort Riley (CDP), Kansas” as census-designated place in Geary and Riley counties in Kansas, United States of America. Everything that follows is an evidence route, not borrowed authority.
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The subject matters to the general reference register because the source frames it as census-designated place in Geary and Riley counties in Kansas, United States of America. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 21, 2026. The linked authority identifier is Q2388398. Authority coordinates are 39.088, -96.814. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2020 and 2000.
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This entry incorporates text from “Fort Riley (CDP), Kansas” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.