Wilmot ZIP Code List — Roberts County, SD

There is one unique ZIP code in Wilmot, South Dakota and it is 57279. Area code: 605.

ZIP codes

139.88

sq mi land

3.32

sq mi water

605

area code

Wilmot, SD ZIP code map

About Wilmot, SD

Wilmot is a charming city located in South Dakota, specifically within Roberts County. This small town is characterized by its tight-knit community and welcoming atmosphere, making it a great place for both residents and visitors. With a single ZIP code, 57279, Wilmot embodies the essence of rural America.

Location & geography

Wilmot is centrally situated in Roberts County, offering a picturesque landscape of rolling hills and farmland. This city is conveniently located approximately 18 miles northeast of Sisseton, 25 miles south of Rosholt, and 30 miles west of the Minnesota border at the nearby town of Peever. The land area totals 139.88 square miles, complemented by 3.32 square miles of water, providing residents with a mix of dry land and serene water features.

Community & economy

The community of Wilmot is known for its friendly residents and strong local spirit. Many of the town's economic activities revolve around agriculture and small businesses, fostering a robust local economy. Daily life in Wilmot is marked by community events, local gatherings, and a shared appreciation for the surrounding natural beauty.

Transportation

Access to Wilmot is primarily through South Dakota Highway 12, which provides vital connectivity to the surrounding regions. The nearest named airport is Sisseton Airport, located approximately 18 miles to the southwest, offering services that support local and regional travel. Public transportation options are limited, so personal vehicles are the most common means of getting around.

History

Wilmot was founded in the late 19th century, with its development tied closely to the surrounding agricultural landscape. The community has historically relied on farming and agriculture as key industries, which continue to play a significant role in the local economy today. Notable events in Wilmot's history include the establishment of community celebrations and fairs that showcase local culture and heritage.

Did you know?

An interesting fact about Wilmot is that it is home to the annual Wilmot Rodeo, which draws visitors from the surrounding regions. Additionally, the town's location near the Lake Traverse area offers recreational opportunities such as fishing and boating for residents and visitors alike.

ZIP codes for Wilmot, SD (1)

ZIP code	City	County	Map
57279	Wilmot	Roberts	View map

Demographics & statistics

933

Population

54.2

Median age

$69,375

Median household income

$38,067

Per capita income

$147,200

Median home value

$641

Median monthly rent

86.9%

Home ownership

6.2%

Poverty rate

1.0%

Unemployment

569

Housing units

25.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	173	18.5%
18 and over	760	81.5%
65 and over	277	29.7%
Median age	54.2 years

Race & ethnicity

White 88.9%

American Indian / Alaska Native 5.5%

Two or more races 3%

Hispanic or Latino 1.4%

Other race 1.3%

Group	Count	%
White	841	88.9%
American Indian / Alaska Native	52	5.5%
Two or more races	28	3%
Hispanic or Latino	13	1.4%
Other race	12	1.3%

Household income

Under $10k 1.6%

$10k–$15k 6.6%

$15k–$25k 7.7%

$25k–$35k 9.2%

$35k–$50k 8.9%

$50k–$75k 24.6%

$75k–$100k 9.2%

$100k–$150k 27.2%

$150k–$200k 3.3%

$200k+ 1.6%

Range	% of households
Under $10k	1.6%
$10k–$15k	6.6%
$15k–$25k	7.7%
$25k–$35k	9.2%
$35k–$50k	8.9%
$50k–$75k	24.6%
$75k–$100k	9.2%
$100k–$150k	27.2%
$150k–$200k	3.3%
$200k+	1.6%
Median income	$69,375

Housing

Home values

Under $50k 21.6%

$50k–$100k 18.4%

$100k–$150k 10.5%

$150k–$200k 12.2%

$200k–$300k 11.9%

$300k–$500k 18.6%

$500k–$1M 3.2%

$1M+ 3.5%

Housing overview

Metric	Value
Median home value	$147,200
Median rent / month	$641
Owner occupied	86.9%
Renter occupied	13.1%
Vacant	31.8%
Single-family detached	79.2%
Large apartment buildings	0.0%
Mobile homes	16.5%
Median rooms	5.8
Avg household size (owned)	2.08

Year built

Era	%
2020 or later	0.6%
2010–2019	8.5%
2000–2009	6.1%
1990–1999	11.2%
1980–1989	6.7%
1970–1979	12.8%
1960–1969	12.2%
1950–1959	13.1%
1940–1949	2.9%
1939 or earlier	25.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.8%
1 bedroom	9.6%
2 bedrooms	26.1%
3 bedrooms	44.5%
4 bedrooms	13.0%
5+ bedrooms	6.1%

Vehicles per household

Vehicles	% of households
No vehicle	1.9%
1 vehicle	21.4%
2 vehicles	40.6%
3 or more	36.2%

Heating fuel

Fuel type	%
Utility gas	1.4%
Electricity	39.9%
Propane / LP gas	39.4%
Fuel oil	6.6%
Wood	6.6%
No fuel used	1.4%

Households & families

Household type	Count	%
Married-couple family	224	52.6%
Cohabiting couple	19	4.5%
Male householder, no spouse	95	22.3%
Female householder, no spouse	88	20.7%
Households with children under 18	82	19.2%
Households with seniors (65+)	160	37.6%
Average household size	2.11

Marital status

Status	Male	Female
Never married	24.2%	11.8%
Married	60.3%	58.6%
Separated	0.0%	3.1%
Widowed	3.2%	16.3%
Divorced	12.3%	10.1%

Education

Less than 9th grade 0.7%

Some HS, no diploma 4.8%

HS graduate 34.9%

Some college, no degree 21.1%

Associate's degree 13.2%

Bachelor's degree 20.4%

Graduate / professional 4.9%

Metric	%
HS diploma or higher	94.5%
Bachelor's or higher	25.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	10	6.5%
Kindergarten	16	10.5%
Elementary school	82	53.6%
High school	43	28.1%
College / grad school	2	1.3%

Employment

Industry of employment

Education & healthcare 22.7%

Retail trade 19.1%

Manufacturing 14.3%

Agriculture & mining 11.8%

Wholesale trade 6.3%

Construction 5.3%

Transportation & utilities 4.8%

Finance & real estate 3.6%

Professional & management 3.4%

Other services 3.4%

Arts, food & hospitality 2.7%

Public administration 2.7%

Occupation

Category	%
Management, business & arts	35.5%
Service	11.1%
Sales & office	21.5%
Natural resources & construction	19.8%
Production & transportation	12.1%

Employment type

Type	%
Private sector	72.9%
Government	12.8%
Self-employed	14.0%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	78.5%
Carpool	8.3%
Public transit	0.0%
Walk	2.7%
Other means	0.5%
Avg commute (minutes)	22.6

Poverty

All people 6.2%

Under 18 years 2.9%

18 and over 7.0%

Married-couple families 4.9%

Female-led households 0.0%

Income support

Source	% of households
Social Security	43.7%
Retirement income	20.7%
Supplemental Security	5.6%
Cash public assistance	2.6%
Food stamps / SNAP	3.1%

Health indicators

Condition	%
High blood pressure	37.3%
High cholesterol	35.3%
Heart disease	9.2%
Stroke	4.1%
Asthma	8.7%
Arthritis	28.5%
Kidney disease	3.8%
Pulmonary disease	7.6%
Cancer	9.2%

Behavior / access	%
Binge drinking	17.7%
No physical activity	26.3%
Less than 7 hrs sleep	27.4%
Fair or poor health	13.5%
Poor mental health	10.0%
Poor physical health	10.3%
No health insurance	11.9%
Visited doctor (checkup)	77.9%
Visited dentist	69.7%
Cholesterol screening	91.1%
Teeth loss	15.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	69	9.1%

Disability	%
Any disability	12.0%
Under 18	2.9%
18–64 years	6.8%
65 and over	29.0%

Health insurance coverage

Type	%
Private insurance	71.0%
Public insurance	34.6%
Uninsured under 19	9.6%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	901	96.6%
Spanish	2	0.2%
Other Indo-European	0	0.0%
Asian & Pacific Islander	2	0.2%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	924	99.0%
Born in same state	924	99.0%
Born in different state	579	62.1%
Foreign born	0	0.0%
Naturalized citizen	9	1.0%
Not a US citizen	6	66.7%

Ancestry

Ancestry	Count	%
Polish	224	24%
French	102	10.9%
Dutch	61	6.5%

Ancestry	Count	%
English	56	6%
Italian	54	5.8%
Arab	48	5.1%

Technology access

Metric	% of households
Computer access	45.7%
Internet access	84.0%

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

Frequently asked questions

What is the ZIP code for Wilmot, SD?

Wilmot, SD has one ZIP code: 57279.

What is the main ZIP code for Wilmot, SD?

The primary ZIP code for Wilmot, SD is 57279. The city uses area code 605 for phone service.

What county is Wilmot, SD in?

Wilmot is located in Roberts County, South Dakota.

How many ZIP codes are in Wilmot, SD?

Wilmot, SD has 1 ZIP code.

What is the ZIP code for Downtown Wilmot, South Dakota?

Downtown Wilmot is located in ZIP code 57279, which serves as the central business district for this Roberts County community.

What ZIP code should I use for mail addressed to businesses along Main Street in Wilmot, SD?

All mail to Main Street businesses in Wilmot should be addressed to ZIP code 57279, as this is the only ZIP code serving the city.