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Morristown ZIP Code List — Corson County, SD

There is one unique ZIP code in Morristown, South Dakota and it is 57645. Area code: 605.
1
ZIP codes
302.15
sq mi land
0.54
sq mi water
605
area code
Morristown, SD ZIP code map

About Morristown, SD

Morristown, South Dakota, is a small town located in the north-central part of the state. It is nestled within Corson County, which is known for its expansive plains and beautiful landscapes. The community embodies a close-knit atmosphere where residents value their rural lifestyle and outdoor activities.

Location & geography

Morristown is situated approximately 40 miles east of the larger town of Mobridge and about 35 miles southwest of the small community of Selby. The town covers a land area of 302.15 square miles and has a water area of 0.54 square miles, showcasing its vast rural terrain. The surrounding area is primarily characterized by grasslands and rolling hills, typical of the northern Great Plains.

Community & economy

The character of Morristown is deeply rooted in agriculture, which serves as a primary industry for many residents. Daily life in Morristown often revolves around community events, local gatherings, and activities that celebrate the town's rural heritage. The community fosters a sense of belonging and camaraderie among its residents, making it an inviting place to live.

Transportation

Morristown is accessible via South Dakota Highway 12, which runs east-west through the state. The nearest regional airport is Mobridge Regional Airport, located about 40 miles to the west of Morristown, offering limited commercial flights.

History

Morristown was founded in the late 19th century and has since developed a reputation for its agricultural community. Key industries in the area have traditionally included farming and ranching, which continue to play a crucial role in the local economy. Over the years, Morristown has embraced several events that highlight its heritage and foster community spirit.

Did you know?

One surprising fact about Morristown is that despite its small size, the town's surrounding landscape offers excellent opportunities for outdoor recreation, including hunting and fishing. Additionally, it is one of the few communities in Corson County that preserves the rural lifestyle central to South Dakota's culture.

ZIP codes for Morristown, SD (1)
ZIP code City County Map
57645 Morristown Corson View map

Demographics & statistics

142
Population
51.1
Median age
$44,688
Median household income
$38,468
Per capita income
$33,300
Median home value
$0
Median monthly rent
93.2%
Home ownership
19.7%
Poverty rate
0.0%
Unemployment
92
Housing units
20.4%
Bachelor's or higher

Age distribution

Male Female
1
5–9
1
8
10–14
7
5
15–19
5
4
20–24
3
2
25–34
2
8
35–44
7
15
45–54
13
4
55–59
3
6
60–64
5
14
65–74
12
8
75–84
8
1
85+
0
← Male
Female →

Age summary

GroupCount%
Under 182719.0%
18 and over11581.0%
65 and over4330.3%
Median age51.1 years

Race & ethnicity

White 86.6%
American Indian / Alaska Native 10.6%
Two or more races 2.8%
GroupCount%
White12386.6%
American Indian / Alaska Native1510.6%
Two or more races42.8%

Household income

Under $10k 8.2%
$10k–$15k 11.0%
$15k–$25k 15.1%
$25k–$35k 5.5%
$35k–$50k 15.1%
$50k–$75k 17.8%
$75k–$100k 6.8%
$100k–$150k 11.0%
$150k–$200k 2.7%
$200k+ 6.8%
Range% of households
Under $10k8.2%
$10k–$15k11.0%
$15k–$25k15.1%
$25k–$35k5.5%
$35k–$50k15.1%
$50k–$75k17.8%
$75k–$100k6.8%
$100k–$150k11.0%
$150k–$200k2.7%
$200k+6.8%
Median income$44,688

Housing

Home values

Under $50k 57.4%
$50k–$100k 20.6%
$100k–$150k 5.9%
$150k–$200k 2.9%
$200k–$300k 2.9%
$300k–$500k 10.3%

Housing overview

MetricValue
Median home value$33,300
Median rent / month$0
Owner occupied93.2%
Renter occupied6.8%
Vacant24.7%
Single-family detached92.8%
Large apartment buildings0.0%
Mobile homes7.2%
Median rooms5.7
Avg household size (owned)1.93

Year built

Era%
2020 or later0.0%
2010–20194.1%
2000–20092.1%
1990–19992.1%
1980–19893.1%
1970–197913.4%
1960–19697.2%
1950–19597.2%
1940–19492.1%
1939 or earlier58.8%

Bedrooms

Size% of units
No bedroom (studio)2.1%
1 bedroom8.2%
2 bedrooms22.7%
3 bedrooms41.2%
4 bedrooms16.5%
5+ bedrooms9.3%

Vehicles per household

Vehicles% of households
No vehicle2.7%
1 vehicle24.7%
2 vehicles38.4%
3 or more34.2%

Heating fuel

Fuel type%
Electricity8.2%
Propane / LP gas83.6%
Fuel oil8.2%

Households & families

Household typeCount%
Married-couple family2534.2%
Cohabiting couple45.5%
Male householder, no spouse2027.4%
Female householder, no spouse2432.9%
Households with children under 181115.1%
Households with seniors (65+)3243.8%
Average household size1.95

Marital status

StatusMaleFemale
Never married40.3%22.4%
Married37.3%43.1%
Separated16.4%3.4%
Widowed0.0%25.9%
Divorced6.0%5.2%

Education

Less than 9th grade 3.7%
Some HS, no diploma 0.0%
HS graduate 38.9%
Some college, no degree 21.3%
Associate's degree 15.7%
Bachelor's degree 20.4%
Graduate / professional 0.0%
Metric%
HS diploma or higher96.3%
Bachelor's or higher20.4%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool00.0%
Kindergarten00.0%
Elementary school1544.1%
High school1235.3%
College / grad school720.6%

Employment

Industry of employment

Agriculture & mining 47.3%
Education & healthcare 17.6%
Construction 9.5%
Transportation & utilities 8.1%
Arts, food & hospitality 5.4%
Retail trade 4.1%
Manufacturing 2.7%
Other services 2.7%
Professional & management 1.4%
Public administration 1.4%

Occupation

Category%
Management, business & arts59.5%
Service5.4%
Sales & office8.1%
Natural resources & construction16.2%
Production & transportation10.8%

Employment type

Type%
Private sector31.1%
Government20.3%
Self-employed45.9%
Unpaid family workers2.7%

Commute

Method%
Drive alone45.9%
Carpool9.5%
Public transit0.0%
Walk10.8%
Other means0.0%
Avg commute (minutes)20.3

Poverty

All people 19.7%
Under 18 years 18.5%
18 and over 20.0%
Married-couple families 4.0%
Female-led households 22.2%

Income support

Source% of households
Social Security41.1%
Retirement income24.7%
Supplemental Security1.4%
Cash public assistance2.7%
Food stamps / SNAP6.8%

Health indicators

Condition%
High blood pressure41.3%
High cholesterol37.1%
Heart disease11.8%
Stroke5.7%
Asthma10.2%
Arthritis32.8%
Kidney disease4.8%
Pulmonary disease11.4%
Cancer8.8%
Behavior / access%
Binge drinking16.6%
No physical activity33.0%
Less than 7 hrs sleep29.2%
Fair or poor health21.1%
Poor mental health12.3%
Poor physical health14.1%
No health insurance14.0%
Visited doctor (checkup)75.7%
Visited dentist53.6%
Cholesterol screening87.6%
Teeth loss23.3%

Veterans & disability

VeteransCount%
Civilian veterans87.0%
Disability%
Any disability15.5%
Under 180.0%
18–64 years5.6%
65 and over41.9%

Health insurance coverage

Type%
Private insurance72.5%
Public insurance41.5%
Uninsured under 1933.3%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only142100.0%
Spanish00.0%
Other Indo-European00.0%
Asian & Pacific Islander00.0%
Other languages00.0%

Place of birth & citizenship

OriginCount%
Native born (US)142100.0%
Born in same state142100.0%
Born in different state6243.7%
Foreign born00.0%
Naturalized citizen00.0%
Not a US citizen00.0%

Ancestry

AncestryCount%
Italian3625.4%
Arab2215.5%
Polish128.5%
AncestryCount%
French64.2%
English42.8%
Dutch21.4%

Technology access

Metric% of households
Computer access51.4%
Internet access86.3%

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

Frequently asked questions
What is the ZIP code for Morristown, SD?
Morristown, SD has one ZIP code: 57645.
What is the main ZIP code for Morristown, SD?
The primary ZIP code for Morristown, SD is 57645. The city uses area code 605 for phone service.
What county is Morristown, SD in?
Morristown is located in Corson County, South Dakota.
How many ZIP codes are in Morristown, SD?
Morristown, SD has 1 ZIP code.
What is the ZIP code for the downtown Morristown area in Corson County?
The downtown Morristown area uses the ZIP code 57645, which serves the entire city and surrounding region in Corson County, South Dakota.
If I'm sending mail to a business in Morristown, SD, what ZIP code should I use?
You should use ZIP code 57645 for all mail addressed to Morristown, South Dakota, as it is the sole ZIP code serving this community.
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