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Where am ILOCATED

Woodbury County, Iowa

Woodbury County, Iowa, has 106,649 residents (July 2025 estimate). Its county seat is Sioux City. It uses Central Time and covers 873 sq mi (2,261 km²) of land.

Des MoinesCedar RapidsDavenport
Woodbury County in Iowa
Sioux CitySergeant BluffMovilleSloanLawton
Woodbury County and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Resident population, July 2025
106,649
Land area
873 sq mi (2,261 km²)
County seat or government
Sioux City
Time zone
Central TimeUTC-06:00 in January; UTC-05:00 in July
Median household income
$73,658 ± $2,611
Median home value
$183,200 ± $4,800
Median rent, with utilities
$981 ± $26
Homes lived in by their owners
68.2% ± 1.6 points
County type
County
Metro or micro area
Sioux City, IA-NE-SD metro areaCentral county
Water area
4.94 sq mi (12.8 km²)
State
Iowa
County code (FIPS)
19193
Coordinates (central point)
42.393220, -96.053296
Open this point in the location finder

These coordinates mark a central point for the area, not a street address. Income, home value, rent and homes lived in by their owners: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 13, 2026.

Time zones in Woodbury County

Time zoneLocal time and UTC offsetNext clock change
Central TimeAmerica/ChicagoUTC-06:00 in January; UTC-05:00 in July. Enable JavaScript for the live clock.Enable JavaScript for upcoming changes.

Near a time-zone line, check where you are with the time-zone finder. Your phone’s setting can differ.

ZIP Code areas, largest first

  1. 5110628,592 people
  2. 5110423,197 people
  3. 5110316,895 people
  4. 5110510,415 people
  5. 511085,960 people
  6. 510545,583 people
  7. 511093,606 people
  8. 510392,845 people
  9. 510282,191 people
  10. 510341,674 people
  11. 510301,468 people
  12. 510551,346 people
All 26
  1. 510061,287 people
  2. 510161,080 people
  3. 510521,050 people
  4. 511011,031 people
  5. 51026910 people
  6. 51004858 people
  7. 51007691 people
  8. 51018542 people
  9. 51019448 people
  10. 51048435 people
  11. 51056346 people
  12. 51044165 people
  13. 5101545 people
  14. 5111139 people

26 ZIP Code areas overlap Woodbury County. People counts are 2020–2024 estimates for each whole ZIP area. Mailing ZIPs can differ; check an address with USPS ZIP Code Lookup.

Official county information

We don’t have a website for this county yet. The US government’s local-office directory ↗ lists its offices. A geographic lookup cannot determine eligibility, tax liability or a court obligation.

Townships in Woodbury County, largest first

  1. Woodbury Township6,439 people
  2. Arlington Township1,950 people
  3. Concord Township1,717 people
  4. Sloan Township1,118 people
  5. Banner Township970 people
  6. Liberty Township957 people
  7. Rock Township840 people
  8. Moville Township766 people
  9. Floyd Township746 people
  10. Kedron Township619 people
  11. Union Township568 people
  12. Willow Township510 people
All 23
  1. Rutland Township491 people
  2. Oto Township439 people
  3. West Fork Township426 people
  4. Liston Township306 people
  5. Little Sioux Township285 people
  6. Lakeport Township201 people
  7. Grange Township194 people
  8. Miller Township174 people
  9. Wolf Creek Township168 people
  10. Morgan Township137 people
  11. Grant Township125 people

People counts are American Community Survey 2020–2024 5-year estimates. All townships in Iowa, by county

School districts in Woodbury County, largest first

  1. Sioux City Community School District87,389 people
  2. Sergeant Bluff-Luton Community School District6,144 people
  3. Odebolt Arthur Battle Creek Ida Grove Community School District5,359 people
  4. Maple Valley-Anthon Oto Community School District3,573 people
  5. Westwood Community School District3,411 people
  6. Lawton-Bronson Community School District3,183 people
  7. Woodbury Central Community School District3,082 people
  8. Kingsley-Pierson Community School District2,520 people
  9. River Valley Community School District2,485 people

Districts with land in the county; a district can cross county lines. People counts are American Community Survey 2020–2024 5-year estimates. A district boundary doesn’t decide which school a student attends.

Cities, towns and communities, largest first

These areas overlap the mapped boundary; an overlap does not mean that every address belongs to both.

  1. Sioux City, Iowa (city)86,101 people
  2. Sergeant Bluff, Iowa (city)5,171 people
  3. Moville, Iowa (city)1,670 people
  4. Sloan, Iowa (city)1,018 people
  5. Lawton, Iowa (city)790 people
  6. Correctionville, Iowa (city)761 people
  7. Anthon, Iowa (city)514 people
  8. Salix, Iowa (city)402 people
  9. Hornick, Iowa (city)340 people
  10. Bronson, Iowa (city)312 people
  11. Pierson, Iowa (city)302 people
  12. Danbury, Iowa (city)283 people
All 16
  1. Cushing, Iowa (city)243 people
  2. Smithland, Iowa (city)137 people
  3. Oto, Iowa (city)68 people
  4. Climbing Hill, Iowa (CDP)45 people

Bordering areas, nearest first

Distances are straight lines between map points.

  1. Monona County, Iowa24 mi south
  2. Plymouth County, Iowa25 mi north
  3. Dakota County, Nebraska26 mi west
  4. Ida County, Iowa28 mi east
  5. Thurston County, Nebraska30 mi southwest
  6. Cherokee County, Iowa32 mi northeast
  7. Crawford County, Iowa42 mi southeast
  8. Union County, South Dakota43 mi northwest

Before using this answer on a form

Use a precise point for address-level questions. A device accuracy circle can cross a boundary; confirm tax, voting or jury details with the responsible office.

Find the county where you are now, check its ZIP area, or check the time zone where you are.

See this county on Census.gov ↗

Areas that only touch the edge

These areas meet the boundary only along a sliver. Most addresses here are not in them; for an address near the line, check with the county.