57401 ZIP Code — Aberdeen, SD
Brown County, South Dakota
ZIP code 57401 is located in Aberdeen, South Dakota, within Brown County. It covers approximately 278.81 square miles and serves a population of 32,217 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.
About ZIP code 57401
The housing stock consists of a mix of housing types. Most homes were built in the pre-1940, giving the area an established character. Median home value is $204,300. Owner-occupancy sits near the national average at 62%.
Median household income is $67,348.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 12 minutes is near the national average.
Educational attainment is near the national average, with 35% of residents holding a bachelor's degree or higher.
32,217
population
278.81
sq mi land
Standard
ZIP type
Central (CT)
timezone
57401 ZIP code map
Cities in ZIP code 57401
Below are the cities the US Postal Service accepts for ZIP code 57401. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Aberdeen | Acceptable |
| Aberdeen | Preferred |
Nearby ZIP codes
57427 Bath (10.2 mi)
57479 Warner (11.1 mi)
57481 Westport (13.5 mi)
57460 Mansfield (14.7 mi)
57433 Columbia (16 mi)
57451 Ipswich (17.3 mi)
57445 Groton (18.6 mi)
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 32,217 |
| Population density | 116 / sq mi |
| State FIPS | 46 |
| County FIPS | 013 |
| Geography | |
|---|---|
| Land area | 278.81 sq mi |
| Water area | 1.68 sq mi |
| Latitude | 45.4675 |
| Longitude | -98.5275 |
| Timezone | Central (CT) |
| Area code | 605 |
Total population by age
Gender
Race & ethnicity
Economics
updated 05/2026
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 41.6% | 39.9% | 41.7% |
| $50k – $100k | 34.2% | 34.8% | 33.8% |
| $100k – $200k | 19.2% | 20.4% | 20.1% |
| Over $200k | 5.0% | 4.9% | 4.4% |
Demographics & statistics
32,217
Population
116
People per sq mi
36.4
Median age
$67,348
Median household income
$37,075
Per capita income
$204,300
Median home value
$744
Median monthly rent
62.0%
Home ownership
11.8%
Poverty rate
4.0%
Unemployment
9,793
Housing units
34.7%
Bachelor's or higher
Age distribution
Male
Female
955
Under 5
987
987
5–9
1,021
1,104
10–14
1,142
1,015
15–19
1,050
1,387
20–24
1,435
2,048
25–34
2,118
1,834
35–44
1,896
1,744
45–54
1,803
946
55–59
979
1,125
60–64
1,164
1,474
65–74
1,524
791
75–84
819
427
85+
442
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 7,299 | 22.7% |
| 18 and over | 24,918 | 77.3% |
| 65 and over | 5,477 | 17.0% |
| Median age | 36.4 years | |
Race & ethnicity
White
82.1%
Asian
4%
Two or more races
3.8%
American Indian / Alaska Native
3.7%
Black or African American
2.7%
Hispanic or Latino
2.7%
Other race
1%
| Group | Count | % |
|---|---|---|
| White | 27,182 | 82.1% |
| Asian | 1,315 | 4% |
| Two or more races | 1,242 | 3.8% |
| American Indian / Alaska Native | 1,222 | 3.7% |
| Black or African American | 906 | 2.7% |
| Hispanic or Latino | 897 | 2.7% |
| Other race | 337 | 1% |
Household income
| Income range | This ZIP | County avg | State avg |
|---|---|---|---|
| Under $50k | 41.6% | 39.9% | 41.7% |
| $50k – $100k | 34.2% | 34.8% | 33.8% |
| $100k – $200k | 19.2% | 20.4% | 20.1% |
| Over $200k | 5.0% | 4.9% | 4.4% |
Under $10k
4.9%
$10k–$15k
3.5%
$15k–$25k
8.0%
$25k–$35k
10.4%
$35k–$50k
9.7%
$50k–$75k
19.1%
$75k–$100k
14.4%
$100k–$150k
17.4%
$150k–$200k
7.2%
$200k+
5.5%
| Range | % of households |
|---|---|
| Under $10k | 4.9% |
| $10k–$15k | 3.5% |
| $15k–$25k | 8.0% |
| $25k–$35k | 10.4% |
| $35k–$50k | 9.7% |
| $50k–$75k | 19.1% |
| $75k–$100k | 14.4% |
| $100k–$150k | 17.4% |
| $150k–$200k | 7.2% |
| $200k+ | 5.5% |
| Median income | $67,348 |
Housing
Home values
Under $50k
6.3%
$50k–$100k
7.7%
$100k–$150k
14.4%
$150k–$200k
20.2%
$200k–$300k
26.3%
$300k–$500k
18.4%
$500k–$1M
6.6%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $204,300 |
| Median rent / month | $744 |
| Owner occupied | 62.0% |
| Renter occupied | 38.0% |
| Vacant | 9.2% |
| Single-family detached | 56.6% |
| Large apartment buildings | 13.0% |
| Mobile homes | 4.4% |
| Median rooms | 5.7 |
| Avg household size (owned) | 2.62 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 11.3% |
| 2000–2009 | 8.8% |
| 1990–1999 | 8.9% |
| 1980–1989 | 9.4% |
| 1970–1979 | 16.8% |
| 1960–1969 | 11.6% |
| 1950–1959 | 10.8% |
| 1940–1949 | 4.1% |
| 1939 or earlier | 17.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 3.2% |
| 1 bedroom | 15.6% |
| 2 bedrooms | 27.2% |
| 3 bedrooms | 26.7% |
| 4 bedrooms | 19.0% |
| 5+ bedrooms | 8.3% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 7.2% |
| 1 vehicle | 33.6% |
| 2 vehicles | 37.3% |
| 3 or more | 21.9% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 48.4% |
| Electricity | 42.9% |
| Propane / LP gas | 5.0% |
| Fuel oil | 1.0% |
| No fuel used | 0.8% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 5,793 | 42.7% |
| Cohabiting couple | 1,146 | 8.4% |
| Male householder, no spouse | 2,979 | 22.0% |
| Female householder, no spouse | 3,647 | 26.9% |
| Households with children under 18 | 3,439 | 25.4% |
| Households with seniors (65+) | 3,784 | 27.9% |
| Average household size | 2.30 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 39.3% | 31.0% |
| Married | 46.8% | 47.6% |
| Separated | 0.7% | 0.7% |
| Widowed | 1.7% | 9.3% |
| Divorced | 11.6% | 11.4% |
Education
Less than 9th grade
2.3%
Some HS, no diploma
4.3%
HS graduate
30.5%
Some college, no degree
17.4%
Associate's degree
10.9%
Bachelor's degree
25.1%
Graduate / professional
9.5%
| Metric | % |
|---|---|
| HS diploma or higher | 93.4% |
| Bachelor's or higher | 34.7% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 424 | 5.6% |
| Kindergarten | 377 | 5.0% |
| Elementary school | 3,337 | 43.8% |
| High school | 1,543 | 20.3% |
| College / grad school | 1,935 | 25.4% |
Employment
Industry of employment
Education & healthcare
23.3%
Manufacturing
14.5%
Retail trade
12.5%
Arts, food & hospitality
11.5%
Public administration
6.4%
Other services
5.6%
Construction
5.1%
Professional & management
5.0%
Finance & real estate
4.9%
Transportation & utilities
4.1%
Agriculture & mining
3.5%
Wholesale trade
2.4%
Information
1.1%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 34.1% |
| Service | 18.2% |
| Sales & office | 20.1% |
| Natural resources & construction | 11.3% |
| Production & transportation | 16.3% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.6% |
| Government | 13.9% |
| Self-employed | 6.1% |
| Unpaid family workers | 0.4% |
Commute
| Method | % |
|---|---|
| Drive alone | 81.9% |
| Carpool | 7.9% |
| Public transit | 0.2% |
| Walk | 3.5% |
| Work from home | 5.0% |
| Other means | 1.5% |
| Avg commute (minutes) | 12.1 |
Poverty
All people
11.8%
Under 18 years
15.4%
18 and over
10.7%
Married-couple families
2.8%
Female-led households
32.5%
Income support
| Source | % of households |
|---|---|
| Social Security | 29.8% |
| Retirement income | 21.1% |
| Supplemental Security | 5.0% |
| Cash public assistance | 2.4% |
| Food stamps / SNAP | 7.3% |
Health indicators
| Condition | % |
|---|---|
| Obesity | 31.7% |
| High blood pressure | 30.9% |
| High cholesterol | 31.1% |
| Diabetes | 8.6% |
| Heart disease | 6.2% |
| Stroke | 2.8% |
| Asthma | 8.5% |
| Arthritis | 24.0% |
| Kidney disease | 2.8% |
| Pulmonary disease | 5.4% |
| Cancer | 7.0% |
| Behavior / access | % |
|---|---|
| Smoking | 17.0% |
| Binge drinking | 20.4% |
| No physical activity | 23.0% |
| Less than 7 hrs sleep | 28.8% |
| Depression | 16.4% |
| Fair or poor health | 10.5% |
| Poor mental health | 11.0% |
| Poor physical health | 8.3% |
| No health insurance | 11.6% |
| Visited doctor (checkup) | 74.8% |
| Visited dentist | 68.5% |
| Cholesterol screening | 87.4% |
| Teeth loss | 13.8% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 1,308 | 5.3% |
| Disability | % |
|---|---|
| Any disability | 12.3% |
| Under 18 | 3.2% |
| 18–64 years | 10.9% |
| 65 and over | 30.6% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 75.7% |
| Public insurance | 29.7% |
| No insurance | 6.9% |
| Uninsured under 19 | 2.3% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 30,275 | 94.0% |
| Spanish | 1,202 | 4.0% |
| Other Indo-European | 445 | 1.5% |
| Asian & Pacific Islander | 30 | 0.1% |
| Other languages | 391 | 1.3% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 30,220 | 93.8% |
| Born in same state | 29,568 | 91.8% |
| Born in different state | 22,126 | 68.7% |
| Foreign born | 652 | 2.0% |
| Naturalized citizen | 1,997 | 6.2% |
| Not a US citizen | 564 | 28.2% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Polish | 3,876 | 12% |
| French | 2,305 | 7.2% |
| Italian | 2,025 | 6.3% |
| Arab | 1,449 | 4.5% |
| Ancestry | Count | % |
|---|---|---|
| English | 592 | 1.8% |
| Dutch | 218 | 0.7% |
| German | 86 | 0.3% |
| Irish | 70 | 0.2% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 42.1% |
| Internet access | 92.7% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 57401
What city is ZIP code 57401 in?
ZIP code 57401 is primarily assigned to Aberdeen, South Dakota.
What county is ZIP code 57401 in?
ZIP code 57401 falls within Brown County, South Dakota.
What is the population of ZIP code 57401?
ZIP code 57401 has an estimated population of 32,217 residents, with a density of 116 people per square mile.
What is the typical home value in ZIP code 57401?
The median home value in ZIP code 57401 is $204,300.
What is the median household income in ZIP code 57401?
The median household income in ZIP code 57401 is $67,348, below the national median of ~$75,000.
What timezone is ZIP code 57401 in?
ZIP code 57401 observes the CST timezone.