57441 ZIP Code — Frederick, SD

Brown County, South Dakota

ZIP code 57441 is located in Frederick, South Dakota, within Brown County. It covers approximately 266.07 square miles and serves a population of 607 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57441

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $126,500. Owner-occupancy is high at 91%, well above the national average.

Median household income is $77,083. 34% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 23 minutes is near the national average.

Educational attainment is near the national average, with 26% of residents holding a bachelor's degree or higher.

Overall, ZIP code 57441 reflects a community defined by high homeownership and a significant Social Security-dependent population.

607
population
266.07
sq mi land
Standard
ZIP type
Central (CT)
timezone
57441 ZIP code map
Cities in ZIP code 57441

Below are the cities the US Postal Service accepts for ZIP code 57441. Using any city not on this list may result in mail delivery delays.

City Status
Frederick Acceptable
Frederick Preferred
Nearby ZIP codes
57481 Westport (14.8 mi) 57446 Hecla (15.6 mi) 57433 Columbia (16.1 mi) 58436 Ellendale (19.8 mi)
Demographics updated 05/2026
Population
Total population 607
Population density 2 / sq mi
State FIPS 46
County FIPS 013
Geography
Land area 266.07 sq mi
Water area 1.95 sq mi
Latitude 45.8230
Longitude -98.4857
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 33.6% 39.9% 41.7%
$50k – $100k 42.0% 34.8% 33.8%
$100k – $200k 16.8% 20.4% 20.1%
Over $200k 7.5% 4.9% 4.4%

Demographics & statistics

607
Population
2
People per sq mi
49.2
Median age
$77,083
Median household income
$38,136
Per capita income
$126,500
Median home value
$594
Median monthly rent
90.9%
Home ownership
12.9%
Poverty rate
3.9%
Unemployment
343
Housing units
25.9%
Bachelor's or higher

Age distribution

Male Female
24
Under 5
22
8
5–9
8
20
10–14
19
18
15–19
16
8
20–24
8
52
25–34
47
9
35–44
9
50
45–54
46
28
55–59
26
38
60–64
34
46
65–74
42
13
75–84
11
3
85+
2
← Male
Female →

Age summary

GroupCount%
Under 1813522.2%
18 and over47277.8%
65 and over11719.3%
Median age49.2 years

Race & ethnicity

White 96.4%
American Indian / Alaska Native 1.6%
Asian 1.2%
Two or more races 0.8%
GroupCount%
White58596.4%
American Indian / Alaska Native101.6%
Asian71.2%
Two or more races50.8%

Household income

Income range This ZIP County avg State avg
Under $50k 33.6% 39.9% 41.7%
$50k – $100k 42.0% 34.8% 33.8%
$100k – $200k 16.8% 20.4% 20.1%
Over $200k 7.5% 4.9% 4.4%
Under $10k 1.6%
$10k–$15k 4.8%
$15k–$25k 3.2%
$25k–$35k 4.4%
$35k–$50k 15.1%
$50k–$75k 19.0%
$75k–$100k 17.1%
$100k–$150k 29.4%
$150k–$200k 2.8%
$200k+ 2.8%
Range% of households
Under $10k1.6%
$10k–$15k4.8%
$15k–$25k3.2%
$25k–$35k4.4%
$35k–$50k15.1%
$50k–$75k19.0%
$75k–$100k17.1%
$100k–$150k29.4%
$150k–$200k2.8%
$200k+2.8%
Median income$77,083

Housing

Home values

Under $50k 19.2%
$50k–$100k 20.5%
$100k–$150k 27.1%
$150k–$200k 14.4%
$200k–$300k 3.5%
$300k–$500k 14.0%
$500k–$1M 1.3%

Housing overview

MetricValue
Median home value$126,500
Median rent / month$594
Owner occupied90.9%
Renter occupied9.1%
Vacant31.1%
Single-family detached84.2%
Large apartment buildings0.0%
Mobile homes14.5%
Median rooms6.8
Avg household size (owned)2.34

Year built

Era%
2020 or later0.3%
2010–20197.9%
2000–200916.9%
1990–19996.6%
1980–19897.4%
1970–19799.3%
1960–19696.8%
1950–19592.2%
1940–19493.3%
1939 or earlier39.3%

Bedrooms

Size% of units
No bedroom (studio)0.0%
1 bedroom0.0%
2 bedrooms26.5%
3 bedrooms35.5%
4 bedrooms32.5%
5+ bedrooms5.5%

Vehicles per household

Vehicles% of households
No vehicle1.6%
1 vehicle19.8%
2 vehicles41.7%
3 or more36.9%

Heating fuel

Fuel type%
Utility gas5.2%
Electricity41.7%
Propane / LP gas39.7%
Fuel oil8.7%
Wood2.0%
No fuel used2.0%

Households & families

Household typeCount%
Married-couple family15762.3%
Cohabiting couple2911.5%
Male householder, no spouse2911.5%
Female householder, no spouse3714.7%
Households with children under 187831.0%
Households with seniors (65+)8935.3%
Average household size2.41

Marital status

StatusMaleFemale
Never married26.9%12.6%
Married61.9%64.6%
Separated0.4%2.0%
Widowed0.8%10.2%
Divorced10.0%10.6%

Education

Less than 9th grade 1.3%
Some HS, no diploma 6.8%
HS graduate 37.1%
Some college, no degree 14.0%
Associate's degree 14.9%
Bachelor's degree 21.3%
Graduate / professional 4.6%
Metric%
HS diploma or higher91.9%
Bachelor's or higher25.9%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool98.2%
Kindergarten21.8%
Elementary school4440.0%
High school3632.7%
College / grad school1917.3%

Employment

Industry of employment

Education & healthcare 24.3%
Agriculture & mining 20.5%
Construction 13.1%
Manufacturing 10.1%
Retail trade 9.7%
Arts, food & hospitality 5.6%
Wholesale trade 4.9%
Finance & real estate 4.5%
Public administration 3.7%
Transportation & utilities 1.5%
Other services 1.5%
Information 0.7%

Occupation

Category%
Management, business & arts46.3%
Service9.7%
Sales & office10.8%
Natural resources & construction13.8%
Production & transportation19.4%

Employment type

Type%
Private sector67.2%
Government12.3%
Self-employed20.5%
Unpaid family workers0.0%

Commute

Method%
Drive alone79.9%
Carpool9.3%
Public transit0.0%
Walk5.6%
Work from home5.2%
Other means0.0%
Avg commute (minutes)23.1

Poverty

All people 12.9%
Under 18 years 11.9%
18 and over 13.1%
Married-couple families 8.3%
Female-led households 50.0%

Income support

Source% of households
Social Security33.7%
Retirement income21.4%
Supplemental Security2.4%
Cash public assistance1.6%
Food stamps / SNAP3.2%

Health indicators

Condition%
Obesity32.7%
High blood pressure35.9%
High cholesterol35.1%
Diabetes9.9%
Heart disease7.4%
Stroke3.2%
Asthma7.8%
Arthritis27.8%
Kidney disease3.1%
Pulmonary disease5.9%
Cancer8.4%
Behavior / access%
Smoking17.0%
Binge drinking18.9%
No physical activity23.3%
Less than 7 hrs sleep28.5%
Depression14.8%
Fair or poor health10.7%
Poor mental health9.4%
Poor physical health8.6%
No health insurance10.8%
Visited doctor (checkup)76.6%
Visited dentist70.2%
Cholesterol screening91.3%
Teeth loss12.4%

Veterans & disability

VeteransCount%
Civilian veterans449.3%
Disability%
Any disability9.1%
Under 180.0%
18–64 years7.3%
65 and over24.8%

Health insurance coverage

Type%
Private insurance79.2%
Public insurance24.4%
No insurance9.9%
Uninsured under 1912.6%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only56192.4%
Spanish40.7%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages30.5%

Place of birth & citizenship

OriginCount%
Native born (US)59798.4%
Born in same state59798.4%
Born in different state40166.1%
Foreign born00.0%
Naturalized citizen101.6%
Not a US citizen110.0%

Ancestry

AncestryCount%
Polish528.6%
Arab457.4%
Italian345.6%
AncestryCount%
French244%
English213.5%
Dutch91.5%

Technology access

Metric% of households
Computer access41.5%
Internet access95.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 57441

What city is ZIP code 57441 in?

ZIP code 57441 is primarily assigned to Frederick, South Dakota.

What county is ZIP code 57441 in?

ZIP code 57441 falls within Brown County, South Dakota.

Is ZIP code 57441 mostly owner-occupied?

91% of occupied units in ZIP code 57441 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 57441?

The median home value in ZIP code 57441 is $126,500.

Does ZIP code 57441 have a large veteran population?

9% of civilians in ZIP code 57441 are veterans, above the national average of ~7%.

What is the population of ZIP code 57441?

ZIP code 57441 has an estimated population of 607 residents, with a density of 2 people per square mile.

What timezone is ZIP code 57441 in?

ZIP code 57441 observes the CST timezone.

Need the complete ZIP code database? Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →