ZIP Code Tabulation Area · Iowa

ZIP Code 51004: Woodbury County, IA

ZIP Code 51004 (Woodbury County, Iowa) has an estimated 858 residents in 423 households. The median household income is $43,882, the median home value is $114,600 and the median gross rent is $1,063/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

858

Margin of error ±181

Median household income

$43,882

Margin of error ±$11,051

Median home value

$114,600

Margin of error ±$27,411

Median gross rent

$1,063/mo

Margin of error ±$148

Median age

50.4 yrs

Margin of error ±16.6 yrs

Mean travel time to work

26.5 min

Margin of error ±10.0 min

How ZIP 51004 compares with Iowa and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 5100450.4 yrsIowa38.6 yrsUnited States38.9 yrs

Median household income

ZIP 51004$43,882Iowa$75,059United States$80,734

Per capita income

ZIP 51004$31,532Iowa$40,877United States$44,673

Poverty rate

ZIP 5100411.9%Iowa11.1%United States12.5%

Unemployment rate

ZIP 510040.9%Iowa3.6%United States5.2%

Bachelor's degree or higher

ZIP 5100422.5%Iowa31.4%United States35.7%

Median home value

ZIP 51004$114,600Iowa$208,000United States$332,700

Median gross rent

ZIP 51004$1,063/moIowa$972/moUnited States$1,413/mo

Owner-occupied homes

ZIP 5100476.6%Iowa71.7%United States65.2%

Mean travel time to work

ZIP 5100426.5 minIowa19.8 minUnited States26.4 min

Worked from home

ZIP 510045.2%Iowa11.3%United States15.1%

All figures for ZIP 51004

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 51004 — ACS 2020–2024 5-year estimates
MeasureZIP 51004Margin of errorIowaUnited States
Total population858±1813,210,507334,922,499
Median age50.4 yrs±16.6 yrs38.6 yrs38.9 yrs
Households423±901,315,707129,227,496
Median household income$43,882±$11,051$75,059$80,734
Per capita income$31,532±$4,775$40,877$44,673
Poverty rate11.9%±5.6 pts11.1%12.5%
Unemployment rate0.9%±0.9 pts3.6%5.2%
Bachelor's degree or higher22.5%±7.5 pts31.4%35.7%
Median home value$114,600±$27,411$208,000$332,700
Median gross rent$1,063/mo±$148$972/mo$1,413/mo
Owner-occupied homes76.6%±0.7 pts71.7%65.2%
Mean travel time to work26.5 min±10.0 min19.8 min26.4 min
Worked from home5.2%±1.9 pts11.3%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 51004
GroupZIP 51004IowaUnited States
White alone, not Hispanic or Latino96.0%82.3%57.4%
Black or African American alone, not Hispanic or Latino0.0%3.8%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.2%0.5%
Asian alone, not Hispanic or Latino0.0%2.5%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.2%0.2%
Some other race alone, not Hispanic or Latino0.0%0.3%0.6%
Two or more races, not Hispanic or Latino1.9%3.5%4.3%
Hispanic or Latino (of any race)2.1%7.3%19.3%

Where ZIP 51004 is

State
Iowa
Main county
Woodbury County
Largest overlapping place
Anthon (1% of the ZIP's land area)
Land area
84.20 sq mi· about 10 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Woodbury County

51007 Woodbury County, IA51015 Climbing Hill, IA51016 Woodbury County, IA51019 Woodbury County, IA51026 Woodbury County, IA51030 Woodbury County, IA51039 Woodbury County, IA51044 Woodbury County, IA51048 Woodbury County, IA51052 Woodbury County, IA51054 Woodbury County, IA51055 Woodbury County, IA51056 Woodbury County, IA51101 Sioux City, IA51103 Sioux City, IA51104 Sioux City, IA51105 Sioux City, IA51106 Sioux City, IA51111 Sioux City, IA

See every ZIP code in Iowa, or compare ZIP 51004 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.