ZIP Code 51003

standard

Alton · Sioux County · Iowa

Quick Facts

1,700

Population

144.1

Area (sq mi)

People / sq mi

America/Chicago

Time Zone

standard

ZIP Type

Demographics

34.7

Median Age

49.8%

Male

50.2%

Female

2.6%

Foreign-Born

White 94.2%

African American 2.0%

Asian 0.7%

American Indian or Alaska Native 0.0%

Native Hawaiian or Pacific Islander 0.0%

Two or More Ethnicities 2.9%

Hispanic or Latino 7.9%

Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Income & Employment

$85,909

Median Household Income

$43,998

Per Capita Income

2.2%

Poverty Rate

1.8%

Unemployment Rate

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Education

High School Graduate or Higher 60.3%

Bachelor's Degree or Higher 26.6%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Housing

762

Total Housing Units

708

Occupied Units

Vacant Units

2.56

Avg Household Size

Occupancy Type

Owner 88.0%

Renter 12.0%

$226,300

Median Home Value

$750

Median Rent

1970

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

Nearby ZIP Codes

ZIP Code	City	Population	Distance
51041	Orange City, IA	6,976	5.4 mi
51022	Granville, IA	789	6.9 mi
51238	Hospers, IA	1,184	7.9 mi

Related Areas

Sioux County Alton, IA Iowa

All data sourced from the U.S. Census Bureau, American Community Survey (ACS) 5-Year Estimates (2023).

PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.