Cities in Clinton County, Iowa by Population (2024)

There are 22 cities in Clinton 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.)

City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Clinton1Iowa24,17024,444-0.29%67935.60
Maquoketa2Iowa6,0286,119-0.38%1,3354.52
DeWitt3Iowa5,6105,5170.41%9026.22
Camanche4Iowa4,5454,571-0.15%5128.88
Preston5Iowa935947-0.32%1,0860.86
Wheatland6Iowa759774-0.52%1,3220.57
Grand Mound7Iowa607618-0.49%3241.87
Delmar8Iowa541544-0.18%7080.76
Sabula9Iowa490501-0.61%9920.49
Oxford Junction10Iowa423427-0.24%6530.65
Lost Nation11Iowa420431-0.71%5560.76
Miles12Iowa399409-0.75%3161.26
Charlotte13Iowa388390-0.26%6800.57
Calamus14Iowa348354-0.57%7060.49
Goose Lake15Iowa2512490%7580.33
Low Moor16Iowa239246-0.83%4390.55
Welton17Iowa126128-0.79%4550.28
Andover18Iowa106108-0.94%5920.18
Toronto19Iowa100102-0.99%5490.18
Baldwin20Iowa99101-1%2610.38
Spragueville21Iowa8991-1.11%1200.74
Big Rock22Iowa0340%00.33

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 Clinton County, Iowa?

Clinton is the largest city in Clinton County.

What is the smallest city in Clinton County, Iowa?

Big Rock is the smallest city in Clinton County.

How many cities are in Clinton County?

There are 22 cities in Clinton County, Iowa.

Frequently Asked Questions