Cities in Jasper County, Iowa by Population (2024)

There are 22 cities in Jasper County, Iowa.

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.)

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Newton1Iowa15,61015,748-0.22%1,38711.26
Grinnell2Iowa9,4519,538-0.23%1,6615.69
Mitchellville3Iowa2,6612,4851.68%1,0552.52
Colfax4Iowa2,2652,2530.13%8842.56
Monroe5Iowa2,0241,9680.7%1,1921.70
Prairie City6Iowa1,7171,6960.29%1,3821.24
Baxter7Iowa9789700.21%1,4950.65
Sully8Iowa8868800.11%1,5220.58
Maxwell9Iowa852859-0.23%7801.09
Melbourne10Iowa761788-0.91%1,4410.53
Kellogg11Iowa594601-0.34%1,6010.37
Gilman12Iowa528544-0.75%9850.54
Collins13Iowa495498-0.2%1,0140.49
Runnells14Iowa449455-0.44%1,0850.41
Lynnville15Iowa3833810%3481.10
Mingo16Iowa3163030.96%5130.62
Rhodes17Iowa269271-0.37%2651.01
Laurel18Iowa2192190%8900.25
Oakland Acres19Iowa1771750%6210.28
Lambs Grove20Iowa168170-0.59%1,6470.10
Reasnor21Iowa1561550%2810.56
Valeria22Iowa39370%7960.05

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 22 cities in Jasper County, Iowa.

Frequently Asked Questions