There are 10 cities in Harrison County, Iowa.

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City
Rank
State
2024 Population
2020 Census
Annual Change
Density (mi²)
Area (mi²)
Missouri Valley1Iowa2,6572,674-0.38%8223.23
Woodbine2Iowa1,6121,626-0.37%1,2601.28
Logan3Iowa1,3751,386-0.36%1,3711
Dunlap4Iowa1,0331,042-0.39%9151.13
Mondamin5Iowa336337-0.3%7450.45
Persia6Iowa289296-1.03%6150.47
Modale7Iowa2822740.36%2691.05
Pisgah8Iowa2472410.41%2451.01
Magnolia9Iowa188188-0.53%3310.57
Little Sioux10Iowa1701660.59%4580.37
showing: 10 rows

Cities in Harrison County, Iowa by Population (2024)

What is the largest city in Harrison County, Iowa?

Missouri Valley is the largest city in Harrison County.

What is the smallest city in Harrison County, Iowa?

Little Sioux is the smallest city in Harrison County.

How many cities are in Harrison County?

There are 10 cities in Harrison County, Iowa.

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