Jasper County, Iowa 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
Newton115,61015,748-0.22%1,38711.3City
Colfax22,2652,2530.13%8842.6City
Monroe32,0241,9680.7%1,1921.7City
Prairie City41,7171,6960.29%1,3821.2City
Baxter59789700.21%1,4950.7City
Sully68868800.11%1,5220.6City
Kellogg7594601-0.34%1,6010.4City
Lynnville83833810%3481.1City
Mingo93163030.96%5130.6City
Oakland Acres101771750%6210.3City
Lambs Grove11168170-0.59%1,6470.1City
Reasnor121561550%2810.6City
Valeria1339370%7960.0City

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 Jasper County, Iowa?

Newton is the largest city in Jasper County.

What is the smallest city in Jasper County, Iowa?

Valeria is the smallest city in Jasper County.

How many cities are in Jasper County?

There are 13 cities in Jasper County, Iowa.

Frequently Asked Questions