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Mills County, Iowa facts for kids

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Mills County
Mills County Courthouse
Mills County Courthouse
Map of Iowa highlighting Mills County
Location within the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location within the U.S.
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Country  United States
State  Iowa
Founded 1851
Seat Glenwood
Largest city Glenwood
Area
 • Total 441 sq mi (1,140 km2)
 • Land 437 sq mi (1,130 km2)
 • Water 3.2 sq mi (8 km2)  0.7%
Population
 (2020)
 • Total 14,484
 • Density 32.84/sq mi (12.681/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 3rd

Mills County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 14,484. The county seat is Glenwood. The county was formed in 1851 and named for Major Frederick Mills of Burlington, Iowa who was killed at the Battle of Churubusco during the Mexican–American War.

Mills County is included in the OmahaCouncil Bluffs, NE–IA Metropolitan Statistical Area.

Geography

According to the U.S. Census Bureau, the county has a total area of 441 square miles (1,140 km2), of which 437 square miles (1,130 km2) is land and 3.2 square miles (8.3 km2) (0.7%) is water.

Major highways

Adjacent counties

Demographics

Historical population
Census Pop.
1860 4,481
1870 8,718 94.6%
1880 14,137 62.2%
1890 14,548 2.9%
1900 16,764 15.2%
1910 15,811 −5.7%
1920 15,422 −2.5%
1930 15,866 2.9%
1940 15,064 −5.1%
1950 14,064 −6.6%
1960 13,050 −7.2%
1970 11,832 −9.3%
1980 13,406 13.3%
1990 13,202 −1.5%
2000 14,547 10.2%
2010 15,059 3.5%
2020 14,484 −3.8%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2018
MillsCountyIowaPop2020
Population of Mills County from US census data

2020 census

The 2020 census recorded a population of 14,484 in the county, with a population density of 32.9065/sq mi (12.7053/km2). 95.16% of the population reported being of one race. 90.05% were non-Hispanic White, 0.53% were Black, 3.18% were Hispanic, 0.21% were Native American, 0.33% were Asian, 0.07% were Native Hawaiian or Pacific Islander and 5.63% were some other race or more than one race. There were 6,110 housing units, of which 5,512 were occupied.

2010 census

The 2010 census recorded a population of 15,059 in the county, with a population density of 34.4971/sq mi (13.3194/km2). There were 6,109 housing units, of which 5,605 were occupied.

Communities

LoessHillsandMissouriRiverValley
The Loess Hills and Missouri River Valley south of Glenwood

Cities

Census-designated place

Population ranking

The population ranking of the following table is based on the 2010 census of Mills County.

county seat

Rank City/Town/etc. Municipal type Population (2010 Census)
1 Glenwood City 5,269
2 Malvern City 1,142
3 Tabor (mostly in Fremont County) City 1,040
4 Pacific Junction City 471
5 Emerson City 438
6 Silver City City 245
7 Henderson City 185
8 Mineola CDP 166
9 Hastings City 152
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