Thomas County, Kansas Cities (2024)

Note: As defined by the US Census Bureau, a city's official boundaries often extend miles beyond the city itself and may even cross county lines. As such, several thousand US cities officially exist in two or more counties (and therefore appear on multiple counties' lists of cities.)

City
Rank
2024 Pop.
2020 Pop.
Change
Density (/mi²)
Area (mi²)
Type
Colby15,5775,623-0.21%1,5233.7City
Brewster2285291-0.7%1,1050.3City
Rexford3196200-0.51%7510.3City
Levant4105497.14%1041.0CDP
Gem59496-1.05%2810.3City

Note: City markers shown outside the county boundary mean that a part of the city extends into this county, but is primarily located in an adjacent county.

What is the largest city in Thomas County, Kansas?

Colby is the largest city in Thomas County.

What is the smallest city in Thomas County, Kansas?

Gem is the smallest city in Thomas County.

How many cities are in Thomas County?

There are 5 cities in Thomas County, Kansas.

Frequently Asked Questions