57601 ZIP Code — Mobridge, SD

Walworth County, South Dakota

ZIP code 57601 is located in Mobridge, South Dakota, within Walworth County. It covers approximately 422.39 square miles and serves a population of 3,514 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 605.

About ZIP code 57601

The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1970s, giving the area an established character. Median home value is $122,000. Owner-occupancy sits near the national average at 66%.

Median household income is $58,448. 33% 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 12 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

3,514

population

422.39

sq mi land

Standard

ZIP type

Central (CT)

timezone

57601 ZIP code map

Cities in ZIP code 57601

Below are the cities the US Postal Service accepts for ZIP code 57601. Using any city not on this list may result in mail delivery delays.

City	Status
Mobridge	Acceptable
Mobridge	Preferred

Nearby ZIP codes

57657 Trail City (8.5 mi) 57631 Glenham (18 mi)

Demographics updated 05/2026

Population
Total population	3,514
Population density	8 / sq mi
State FIPS	46
County FIPS	129

Geography
Land area	422.39 sq mi
Water area	54.10 sq mi
Latitude	45.4027
Longitude	-100.5345
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	50.3%	48.9%	41.7%
$50k – $100k	28.0%	30.4%	33.8%
$100k – $200k	16.7%	16.3%	20.1%
Over $200k	4.9%	4.4%	4.4%

Demographics & statistics

3,514

Population

People per sq mi

41.1

Median age

$58,448

Median household income

$38,091

Per capita income

$122,000

Median home value

$815

Median monthly rent

66.1%

Home ownership

15.1%

Poverty rate

1.6%

Unemployment

1,276

Housing units

29.7%

Bachelor's or higher

Age distribution

Male Female

103

Under 5

103

153

5–9

154

102

10–14

102

15–19

20–24

236

25–34

237

264

35–44

265

131

45–54

132

116

55–59

117

154

60–64

155

215

65–74

216

136

75–84

137

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	770	21.9%
18 and over	2,744	78.1%
65 and over	772	22.0%
Median age	41.1 years

Race & ethnicity

White 70.4%

American Indian / Alaska Native 17.8%

Two or more races 8.6%

Black or African American 2.9%

Asian 0.2%

Group	Count	%
White	2,475	70.4%
American Indian / Alaska Native	627	17.8%
Two or more races	303	8.6%
Black or African American	102	2.9%
Asian	7	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	50.3%	48.9%	41.7%
$50k – $100k	28.0%	30.4%	33.8%
$100k – $200k	16.7%	16.3%	20.1%
Over $200k	4.9%	4.4%	4.4%

Under $10k 1.4%

$10k–$15k 3.5%

$15k–$25k 8.5%

$25k–$35k 7.8%

$35k–$50k 22.2%

$50k–$75k 16.9%

$75k–$100k 13.8%

$100k–$150k 15.8%

$150k–$200k 6.4%

$200k+ 3.6%

Range	% of households
Under $10k	1.4%
$10k–$15k	3.5%
$15k–$25k	8.5%
$25k–$35k	7.8%
$35k–$50k	22.2%
$50k–$75k	16.9%
$75k–$100k	13.8%
$100k–$150k	15.8%
$150k–$200k	6.4%
$200k+	3.6%
Median income	$58,448

Housing

Home values

Under $50k 15.5%

$50k–$100k 27.7%

$100k–$150k 11.4%

$150k–$200k 11.7%

$200k–$300k 23.4%

$300k–$500k 6.9%

$500k–$1M 3.5%

Housing overview

Metric	Value
Median home value	$122,000
Median rent / month	$815
Owner occupied	66.1%
Renter occupied	33.9%
Vacant	10.0%
Single-family detached	82.0%
Large apartment buildings	5.6%
Mobile homes	4.9%
Median rooms	5.8
Avg household size (owned)	2.08

Year built

Era	%
2020 or later	0.0%
2010–2019	5.8%
2000–2009	3.8%
1990–1999	2.0%
1980–1989	10.0%
1970–1979	19.3%
1960–1969	16.3%
1950–1959	14.1%
1940–1949	9.7%
1939 or earlier	19.1%

Bedrooms

Size	% of units
No bedroom (studio)	1.1%
1 bedroom	10.5%
2 bedrooms	34.8%
3 bedrooms	28.5%
4 bedrooms	16.4%
5+ bedrooms	8.7%

Vehicles per household

Vehicles	% of households
No vehicle	3.9%
1 vehicle	40.2%
2 vehicles	35.9%
3 or more	20.0%

Heating fuel

Fuel type	%
Utility gas	58.7%
Electricity	20.2%
Propane / LP gas	18.9%
Fuel oil	1.3%

Households & families

Household type	Count	%
Married-couple family	710	43.0%
Cohabiting couple	94	5.7%
Male householder, no spouse	385	23.3%
Female householder, no spouse	463	28.0%
Households with children under 18	404	24.5%
Households with seniors (65+)	520	31.5%
Average household size	2.03

Marital status

Status	Male	Female
Never married	36.2%	16.8%
Married	51.4%	51.9%
Separated	2.4%	5.7%
Widowed	2.1%	10.1%
Divorced	7.9%	15.5%

Education

Less than 9th grade 2.4%

Some HS, no diploma 4.0%

HS graduate 32.1%

Some college, no degree 16.7%

Associate's degree 15.0%

Bachelor's degree 20.5%

Graduate / professional 9.3%

Metric	%
HS diploma or higher	93.5%
Bachelor's or higher	29.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	97	14.9%
Kindergarten	70	10.8%
Elementary school	357	55.0%
High school	59	9.1%
College / grad school	66	10.2%

Employment

Industry of employment

Education & healthcare 26.4%

Other services 13.8%

Arts, food & hospitality 11.1%

Construction 7.9%

Retail trade 7.0%

Professional & management 6.4%

Manufacturing 6.3%

Finance & real estate 5.5%

Agriculture & mining 4.9%

Wholesale trade 4.5%

Transportation & utilities 3.8%

Public administration 2.4%

Occupation

Category	%
Management, business & arts	50.6%
Service	11.6%
Sales & office	16.7%
Natural resources & construction	8.4%
Production & transportation	12.7%

Employment type

Type	%
Private sector	78.6%
Government	14.1%
Self-employed	7.3%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	81.1%
Carpool	8.6%
Public transit	0.0%
Walk	5.9%
Work from home	3.2%
Other means	1.2%
Avg commute (minutes)	12.0

Poverty

All people 15.1%

Under 18 years 20.1%

18 and over 13.7%

Married-couple families 6.1%

Female-led households 30.1%

Income support

Source	% of households
Social Security	32.8%
Retirement income	28.8%
Supplemental Security	6.8%
Cash public assistance	2.1%
Food stamps / SNAP	9.2%

Health indicators

Condition	%
Obesity	32.8%
High blood pressure	34.8%
High cholesterol	33.1%
Diabetes	10.9%
Heart disease	8.2%
Stroke	3.8%
Asthma	9.2%
Arthritis	27.2%
Kidney disease	3.5%
Pulmonary disease	6.8%
Cancer	8.6%

Behavior / access	%
Smoking	17.7%
Binge drinking	17.5%
No physical activity	25.0%
Less than 7 hrs sleep	28.9%
Depression	14.9%
Fair or poor health	13.0%
Poor mental health	10.7%
Poor physical health	9.7%
No health insurance	11.9%
Visited doctor (checkup)	76.8%
Visited dentist	67.8%
Cholesterol screening	89.7%
Teeth loss	14.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	295	10.8%

Disability	%
Any disability	13.6%
Under 18	13.2%
18–64 years	8.4%
65 and over	27.5%

Health insurance coverage

Type	%
Private insurance	69.4%
Public insurance	31.0%
No insurance	11.7%
Uninsured under 19	10.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	3,308	94.1%
Spanish	22	0.7%
Other Indo-European	15	0.5%
Asian & Pacific Islander	0	0.0%
Other languages	7	0.2%

Place of birth & citizenship

Origin	Count	%
Native born (US)	3,488	99.3%
Born in same state	3,488	99.3%
Born in different state	2,094	59.6%
Foreign born	0	0.0%
Naturalized citizen	26	0.7%
Not a US citizen	22	84.6%

Ancestry

Ancestry	Count	%
Polish	413	11.8%
Arab	192	5.5%
French	164	4.7%
Italian	158	4.5%

Ancestry	Count	%
English	124	3.5%
Dutch	121	3.4%
German	8	0.2%

Technology access

Metric	% of households
Computer access	47.0%
Internet access	87.3%

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

Frequently asked questions about ZIP code 57601

What city is ZIP code 57601 in?

ZIP code 57601 is primarily assigned to Mobridge, South Dakota.

What county is ZIP code 57601 in?

ZIP code 57601 falls within Walworth County, South Dakota.

What is the poverty rate in ZIP code 57601?

15% of residents in ZIP code 57601 live below the poverty line, above the national average.

Does ZIP code 57601 have a large veteran population?

11% of civilians in ZIP code 57601 are veterans, above the national average of ~7%.

What is the typical home value in ZIP code 57601?

The median home value in ZIP code 57601 is $122,000.

What is the population of ZIP code 57601?

ZIP code 57601 has an estimated population of 3,514 residents, with a density of 8 people per square mile.

What timezone is ZIP code 57601 in?

ZIP code 57601 observes the CST timezone.