Clark ZIP Codes — Clark County, SD

There is one unique ZIP code in Clark, South Dakota and it is 57225. Area code: 605.
1
ZIP codes
288.50
sq mi land
2.57
sq mi water
605
area code
Clark, SD ZIP code map

About Clark, SD

Clark, South Dakota, is a small city known for its tranquil rural setting and community spirit. Located in Clark County, it offers residents and visitors alike a blend of local charm and outdoor recreational opportunities. The city serves as a hub for the surrounding agricultural area, reflecting the rich farming heritage of South Dakota.

Location & geography

Clark is situated in the east-central part of South Dakota, providing convenient access to nearby towns and cities. The nearest city, Watertown, lies approximately 30 miles to the northeast, while Huron, another significant city, is about 38 miles to the southwest. The terrain of Clark encompasses a land area of 288.50 square miles, with a small water area of 2.57 square miles, making it predominantly rural and characterized by open fields and prairie landscapes.

Community & economy

The community of Clark is characterized by its close-knit atmosphere and supportive residents who take pride in their town. The local economy is primarily driven by agriculture, with farming being a key industry providing livelihoods for many families. Daily life in Clark revolves around community events, local businesses, schools, and outdoor activities that foster a strong sense of belonging among its inhabitants.

Transportation

U.S. Highway 212 runs through Clark, providing a vital transportation link for residents traveling to and from the city. The nearest commercial airport is located in Watertown, which offers flights to major hubs, making air travel accessible for residents of Clark. While public transit options are limited, the town's size encourages walking and biking as popular modes of transportation.

History

Clark was founded in the late 19th century as a railroad town, which helped to spur its growth and development. Agriculture has historically been the backbone of the community, with various crops and livestock shaping the local economy. Over the years, Clark has celebrated numerous local events that highlight its heritage and foster community pride.

Did you know?

One surprising fact about Clark is that despite its small size, it boasts an active community calendar filled with events such as the annual Clark County Fair. The town's commitment to preserving local history and culture is evident through its various community organizations and initiatives.

ZIP codes for Clark, SD (1)
ZIP code City County Map
57225 Clark Clark View map

Demographics & statistics

1,745
Population
45.4
Median age
$51,250
Median household income
$35,731
Per capita income
$137,700
Median home value
$732
Median monthly rent
78.0%
Home ownership
7.5%
Poverty rate
4.4%
Unemployment
666
Housing units
18.4%
Bachelor's or higher

Age distribution

Male Female
56
Under 5
57
41
5–9
42
93
10–14
95
32
15–19
33
37
20–24
38
89
25–34
90
80
35–44
82
80
45–54
82
65
55–59
67
53
60–64
53
119
65–74
122
39
75–84
39
80
85+
81
← Male
Female →

Age summary

GroupCount%
Under 1844125.3%
18 and over1,30474.7%
65 and over48027.5%
Median age45.4 years

Race & ethnicity

White 87.4%
Two or more races 6.1%
Hispanic or Latino 4.8%
Other race 0.9%
Black or African American 0.4%
Asian 0.3%
American Indian / Alaska Native 0.2%
GroupCount%
White1,60287.4%
Two or more races1116.1%
Hispanic or Latino884.8%
Other race160.9%
Black or African American70.4%
Asian60.3%
American Indian / Alaska Native30.2%

Household income

Under $10k 3.8%
$10k–$15k 4.8%
$15k–$25k 10.1%
$25k–$35k 9.5%
$35k–$50k 20.7%
$50k–$75k 16.3%
$75k–$100k 9.5%
$100k–$150k 14.9%
$150k–$200k 2.4%
$200k+ 7.8%
Range% of households
Under $10k3.8%
$10k–$15k4.8%
$15k–$25k10.1%
$25k–$35k9.5%
$35k–$50k20.7%
$50k–$75k16.3%
$75k–$100k9.5%
$100k–$150k14.9%
$150k–$200k2.4%
$200k+7.8%
Median income$51,250

Housing

Home values

Under $50k 21.7%
$50k–$100k 18.2%
$100k–$150k 16.8%
$150k–$200k 11.3%
$200k–$300k 16.2%
$300k–$500k 8.6%
$500k–$1M 4.6%
$1M+ 2.7%

Housing overview

MetricValue
Median home value$137,700
Median rent / month$732
Owner occupied78.0%
Renter occupied22.0%
Vacant14.3%
Single-family detached83.9%
Large apartment buildings2.2%
Mobile homes5.5%
Median rooms6.2
Avg household size (owned)2.52

Year built

Era%
2020 or later0.0%
2010–20196.8%
2000–20093.9%
1990–19994.9%
1980–19897.3%
1970–197914.9%
1960–19694.8%
1950–195912.4%
1940–19497.1%
1939 or earlier38.0%

Bedrooms

Size% of units
No bedroom (studio)2.8%
1 bedroom11.4%
2 bedrooms25.0%
3 bedrooms30.9%
4 bedrooms21.6%
5+ bedrooms8.3%

Vehicles per household

Vehicles% of households
No vehicle5.1%
1 vehicle27.8%
2 vehicles34.9%
3 or more32.1%

Heating fuel

Fuel type%
Utility gas49.9%
Electricity31.3%
Propane / LP gas16.6%
Wood2.3%

Households & families

Household typeCount%
Married-couple family32145.6%
Cohabiting couple375.3%
Male householder, no spouse19427.6%
Female householder, no spouse15221.6%
Households with children under 1814220.2%
Households with seniors (65+)26637.8%
Average household size2.38

Marital status

StatusMaleFemale
Never married35.7%21.6%
Married48.2%48.9%
Separated0.0%0.0%
Widowed2.3%16.7%
Divorced13.7%12.8%

Education

Less than 9th grade 2.8%
Some HS, no diploma 3.4%
HS graduate 46.1%
Some college, no degree 18.3%
Associate's degree 11.0%
Bachelor's degree 15.6%
Graduate / professional 2.9%
Metric%
HS diploma or higher93.8%
Bachelor's or higher18.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool329.6%
Kindergarten133.9%
Elementary school18254.8%
High school8926.8%
College / grad school164.8%

Employment

Industry of employment

Agriculture & mining 24.1%
Education & healthcare 21.2%
Arts, food & hospitality 8.6%
Retail trade 7.8%
Professional & management 7.5%
Other services 6.9%
Construction 6.5%
Transportation & utilities 4.6%
Finance & real estate 4.6%
Wholesale trade 3.7%
Public administration 2.4%
Manufacturing 2.0%
Information 0.3%

Occupation

Category%
Management, business & arts39.4%
Service25.8%
Sales & office14.6%
Natural resources & construction9.5%
Production & transportation10.7%

Employment type

Type%
Private sector64.2%
Government15.4%
Self-employed20.4%
Unpaid family workers0.0%

Commute

Method%
Drive alone72.0%
Carpool8.0%
Public transit0.0%
Walk4.9%
Other means1.2%
Avg commute (minutes)17.5

Poverty

All people 7.5%
Under 18 years 0.9%
18 and over 9.8%
Married-couple families 5.6%
Female-led households 30.0%

Income support

Source% of households
Social Security37.9%
Retirement income20.6%
Supplemental Security2.6%
Cash public assistance1.3%
Food stamps / SNAP2.4%

Health indicators

Condition%
High blood pressure37.3%
High cholesterol33.6%
Heart disease9.4%
Stroke4.2%
Asthma8.6%
Arthritis29.2%
Kidney disease3.8%
Pulmonary disease7.7%
Cancer9.4%
Behavior / access%
Binge drinking17.2%
No physical activity26.1%
Less than 7 hrs sleep26.9%
Fair or poor health13.6%
Poor mental health10.0%
Poor physical health10.3%
No health insurance12.2%
Visited doctor (checkup)77.5%
Visited dentist66.9%
Cholesterol screening90.5%
Teeth loss15.9%

Veterans & disability

VeteransCount%
Civilian veterans1058.1%
Disability%
Any disability13.4%
Under 184.3%
18–64 years9.3%
65 and over30.7%

Health insurance coverage

Type%
Private insurance72.1%
Public insurance35.4%
Uninsured under 190.0%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only1,63293.5%
Spanish472.9%
Other Indo-European402.5%
Asian & Pacific Islander00.0%
Other languages60.4%

Place of birth & citizenship

OriginCount%
Native born (US)1,70097.4%
Born in same state1,68496.5%
Born in different state1,29674.3%
Foreign born160.9%
Naturalized citizen452.6%
Not a US citizen36.7%

Ancestry

AncestryCount%
Polish36320.8%
Italian19811.3%
French18310.5%
Arab321.8%
AncestryCount%
English211.2%
Dutch191.1%
German50.3%

Technology access

Metric% of households
Computer access40.3%
Internet access91.5%

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

Frequently asked questions
What ZIP codes does Clark, SD have?
Clark, SD has one ZIP code: 57225. Each ZIP code serves a distinct delivery area within the city and surrounding region.
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