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Woodbury County, Iowa facts for kids

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Woodbury County
U.S. county
Woodbury County Courthouse in Sioux City
Official seal of Woodbury County
Seal
Map of Iowa highlighting Woodbury County
Location within the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location within the U.S.
Country  United States
State  Iowa
Founded 1851
Named for Levi Woodbury
Seat Sioux City
Largest city Sioux City
Area
 • Total 878 sq mi (2,270 km2)
 • Land 872.59 sq mi (2,260.0 km2)
 • Water 4.79 sq mi (12.4 km2)  0.55%
Population
 (2020)
 • Total 105,941
 • Density 120.66/sq mi (46.588/km2)
Time zone UTC−6 (Central)
 • Summer (DST) UTC−5 (CDT)
Congressional district 4th

Woodbury County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 105,941, making it the sixth-most populous county in Iowa. The county seat is Sioux City.

Woodbury County is included in the Sioux City metropolitan area.

History

Originally established in 1851 as Wahkaw County, the Iowa Legislature in 1853 changed the name to Woodbury County in honor of Levi Woodbury (1789–1851), a senator and governor of New Hampshire who served as a Supreme Court justice from 1844 until his death.

The first county seat of Wahkaw County was the now-extinct village of Thompsonville; when the Legislature changed the county name to Woodbury, the new county seat became Sergeant's Bluff (now Sergeant Bluff). The county seat was moved to Sioux City in 1856.

The Winnebago Tribe of Nebraska (Ho-Chunk) owns reservation land in Woodbury County.

Geography

The county is on the western edge of Iowa, with its western border being the Missouri River.

According to the U.S. Census Bureau, the county has a total area of 878 square miles (2,270 km2), of which 873 square miles (2,260 km2) is land and 4.9 square miles (13 km2) (0.6%) is water. It is the third-largest county by area in Iowa.

Major highways

  • I-29.svg Interstate 29
  • I-129.svg Interstate 129
  • US 20.svg U.S. Highway 20
  • US 75.svg U.S. Highway 75
  • US 77.svg U.S. Highway 77
  • Elongated circle 12.svg Iowa Highway 12
  • Elongated circle 31.svg Iowa Highway 31
  • Elongated circle 140.svg Iowa Highway 140
  • Elongated circle 141.svg Iowa Highway 141
  • Elongated circle 175.svg Iowa Highway 175

Transit

  • Sioux City Transit
  • List of intercity bus stops in Iowa

Adjacent counties

Demographics

Historical population
Census Pop. %±
1860 1,119 —
1870 6,172 451.6%
1880 14,996 143.0%
1890 55,632 271.0%
1900 54,610 −1.8%
1910 67,616 23.8%
1920 92,171 36.3%
1930 101,669 10.3%
1940 103,627 1.9%
1950 103,917 0.3%
1960 107,849 3.8%
1970 103,052 −4.4%
1980 100,884 −2.1%
1990 98,276 −2.6%
2000 103,877 5.7%
2010 102,172 −1.6%
2020 105,941 3.7%
2023 (est.) 105,951 3.7%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2018 2022
WoodburyCountyIowaPop2020
Population of Woodbury County from US census data

2020 census

WoodburyCountyIA2022PopPyr
2022 US Census population pyramid for Woodbury County from ACS 5-year estimates

The 2020 census recorded a population of 105,941 in the county, with a population density of 120.8749/sq mi (46.6701/km2). 90.93% of the population reported being of one race. There were 42,701 housing units, of which 39,904 were occupied.

Woodbury County Racial Composition
Race Num. Perc.
White (NH) 72,237 68.2%
Black or African American (NH) 5,076 4.8%
Native American (NH) 1,893 1.8%
Asian (NH) 2,957 2.8%
Pacific Islander (NH) 651 0.61%
Other/Mixed (NH) 4,381 4.14%
Hispanic or Latino 18,746 17.7%

2010 census

The 2010 census recorded a population of 102,172 in the county, with a population density of 117.062/sq mi (45.198/km2). There were 41,454 housing units, of which 39,052 were occupied.

Communities

TerracesBuffers
Terraces, conservation tillage and buffers save soil and improve water quality on this Woodbury County farm in 1999.

Cities

Unincorporated communities

Townships

  • Arlington
  • Banner
  • Concord
  • Floyd
  • Grange
  • Grant
  • Kedron
  • Lakeport
  • Liberty
  • Liston
  • Little Sioux
  • Miller
  • Morgan
  • Moville
  • Oto
  • Rock
  • Rutland
  • Sioux City
  • Sloan
  • Union
  • West Fork
  • Willow
  • Wolf Creek
  • Woodbury

Population ranking

The population ranking of the following table is based on the 2020 census of Woodbury County.

† county seat

Rank City/Town/etc. Municipal type Population (2020 Census)
1 † Sioux City (partially in Plymouth County) City 85,791 (85,797 total)
2 Sergeant Bluff City 5,015
3 Moville City 1,687
4 Sloan City 1,042
5 Lawton City 943
6 Correctionville City 766
7 Anthon City 545
8 Pierson City 337
9 Danbury City 320
10 Salix City 295
11 Bronson City 294
12 Hornick City 255
13 Cushing City 230
14 Smithland City 181
15 Climbing Hill CDP 97
16 Oto City 72

See also

Kids robot.svg In Spanish: Condado de Woodbury para niños

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