57641 ZIP Code — Mc Intosh, SD

Corson County, South Dakota

ZIP code 57641 is located in Mc Intosh, South Dakota, within Corson County. It covers approximately 479.28 square miles and serves a population of 235 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 605.

About ZIP code 57641

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 $55,800. Owner-occupancy is high at 84%, well above the national average.

Median household income is $66,875. The poverty rate of 6% is below the national average. 41% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 12 minutes is near the national average. Remote work is prevalent — 36% of workers work from home.

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

Health indicators show elevated rates of diabetes (17%), smoking (26%) compared to national benchmarks.

Overall, ZIP code 57641 reflects a community defined by high homeownership, a high rate of remote workers, and a significant Social Security-dependent population.

235

population

479.28

sq mi land

Standard

ZIP type

Mountain (MT)

timezone

57641 ZIP code map

Cities in ZIP code 57641

Below are the cities the US Postal Service accepts for ZIP code 57641. Using any city not on this list may result in mail delivery delays.

City	Status
Mc Intosh	Preferred

Nearby ZIP codes

57645 Morristown (12.1 mi)

Demographics updated 05/2026

Population
Total population	235
Population density	0 / sq mi
State FIPS	46
County FIPS	031

Geography
Land area	479.28 sq mi
Water area	2.16 sq mi
Latitude	45.7083
Longitude	-101.5210
Timezone	Mountain (MT)
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	54.2%	61.0%	41.7%
$50k – $100k	29.8%	23.8%	33.8%
$100k – $200k	14.5%	12.9%	20.1%
Over $200k	1.5%	2.3%	4.4%

Demographics & statistics

235

Population

49.8

Median age

$66,875

Median household income

$34,066

Per capita income

$55,800

Median home value

Median monthly rent

84.2%

Home ownership

6.4%

Poverty rate

0.0%

Unemployment

143

Housing units

25.6%

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	52	22.1%
18 and over	183	77.9%
65 and over	65	27.7%
Median age	49.8 years

Race & ethnicity

White 94%

American Indian / Alaska Native 5.5%

Two or more races 0.4%

Group	Count	%
White	221	94%
American Indian / Alaska Native	13	5.5%
Two or more races	1	0.4%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	54.2%	61.0%	41.7%
$50k – $100k	29.8%	23.8%	33.8%
$100k – $200k	14.5%	12.9%	20.1%
Over $200k	1.5%	2.3%	4.4%

$10k–$15k 4.0%

$15k–$25k 5.9%

$25k–$35k 22.8%

$35k–$50k 9.9%

$50k–$75k 11.9%

$75k–$100k 18.8%

$100k–$150k 17.8%

$150k–$200k 6.9%

$200k+ 2.0%

Range	% of households
$10k–$15k	4.0%
$15k–$25k	5.9%
$25k–$35k	22.8%
$35k–$50k	9.9%
$50k–$75k	11.9%
$75k–$100k	18.8%
$100k–$150k	17.8%
$150k–$200k	6.9%
$200k+	2.0%
Median income	$66,875

Housing

Home values

Under $50k 45.9%

$50k–$100k 20.0%

$100k–$150k 10.6%

$150k–$200k 8.2%

$200k–$300k 5.9%

$300k–$500k 5.9%

$1M+ 3.5%

Housing overview

Metric	Value
Median home value	$55,800
Median rent / month	$0
Owner occupied	84.2%
Renter occupied	15.8%
Vacant	36.5%
Single-family detached	81.1%
Large apartment buildings	0.0%
Mobile homes	17.6%
Median rooms	6.2
Avg household size (owned)	2.48

Year built

Era	%
2020 or later	0.0%
2010–2019	4.4%
2000–2009	6.9%
1990–1999	0.0%
1980–1989	7.5%
1970–1979	13.2%
1960–1969	10.1%
1950–1959	10.7%
1940–1949	8.8%
1939 or earlier	38.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.9%
2 bedrooms	18.9%
3 bedrooms	50.3%
4 bedrooms	18.2%
5+ bedrooms	10.7%

Vehicles per household

Vehicles	% of households
No vehicle	1.0%
1 vehicle	18.8%
2 vehicles	23.8%
3 or more	56.4%

Heating fuel

Fuel type	%
Utility gas	3.0%
Electricity	5.0%
Propane / LP gas	80.2%
Fuel oil	10.9%

Households & families

Household type	Count	%
Married-couple family	62	61.4%
Cohabiting couple	3	3.0%
Male householder, no spouse	20	19.8%
Female householder, no spouse	16	15.8%
Households with children under 18	21	20.8%
Households with seniors (65+)	44	43.6%
Average household size	2.33

Marital status

Status	Male	Female
Never married	21.9%	17.4%
Married	61.9%	66.3%
Separated	0.0%	0.0%
Widowed	7.6%	10.5%
Divorced	8.6%	5.8%

Education

Less than 9th grade 1.8%

Some HS, no diploma 1.8%

HS graduate 51.2%

Some college, no degree 11.3%

Associate's degree 8.3%

Bachelor's degree 22.0%

Graduate / professional 3.6%

Metric	%
HS diploma or higher	96.4%
Bachelor's or higher	25.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	6	11.1%
Elementary school	31	57.4%
High school	10	18.5%
College / grad school	7	13.0%

Employment

Industry of employment

Agriculture & mining 44.3%

Public administration 19.7%

Education & healthcare 15.6%

Professional & management 5.7%

Finance & real estate 4.1%

Construction 3.3%

Other services 3.3%

Retail trade 2.5%

Transportation & utilities 1.6%

Occupation

Category	%
Management, business & arts	67.2%
Service	2.5%
Sales & office	12.3%
Natural resources & construction	7.4%
Production & transportation	10.7%

Employment type

Type	%
Private sector	16.4%
Government	34.4%
Self-employed	46.7%
Unpaid family workers	2.5%

Commute

Method	%
Drive alone	51.7%
Carpool	5.1%
Public transit	0.0%
Walk	7.6%
Work from home	35.6%
Other means	0.0%
Avg commute (minutes)	12.4

Poverty

All people 6.4%

Under 18 years 7.7%

18 and over 6.0%

Married-couple families 3.2%

Female-led households 0.0%

Income support

Source	% of households
Social Security	40.6%
Retirement income	26.7%
Supplemental Security	0.0%
Cash public assistance	4.0%
Food stamps / SNAP	1.0%

Health indicators

Condition	%
Obesity	39.0%
High blood pressure	44.3%
High cholesterol	38.8%
Diabetes	17.1%
Heart disease	13.7%
Stroke	6.9%
Asthma	10.6%
Arthritis	35.7%
Kidney disease	5.7%
Pulmonary disease	13.0%
Cancer	9.7%

Behavior / access	%
Smoking	25.6%
Binge drinking	14.8%
No physical activity	35.8%
Less than 7 hrs sleep	28.6%
Depression	16.3%
Fair or poor health	24.0%
Poor mental health	11.9%
Poor physical health	15.9%
No health insurance	15.1%
Visited doctor (checkup)	78.7%
Visited dentist	52.6%
Cholesterol screening	88.9%
Teeth loss	26.9%

Veterans & disability

Veterans	Count	%
Civilian veterans	20	10.9%

Disability	%
Any disability	8.9%
Under 18	3.8%
18–64 years	3.4%
65 and over	23.1%

Health insurance coverage

Type	%
Private insurance	80.9%
Public insurance	34.9%
No insurance	6.0%
Uninsured under 19	11.5%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	230	97.9%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	235	100.0%
Born in same state	235	100.0%
Born in different state	126	53.6%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	18	7.7%
Polish	16	6.8%

Ancestry	Count	%
Arab	16	6.8%
French	10	4.3%

Technology access

Metric	% of households
Computer access	43.0%
Internet access	83.2%

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

Frequently asked questions about ZIP code 57641

What city is ZIP code 57641 in?

ZIP code 57641 is primarily assigned to Mc Intosh, South Dakota.

What county is ZIP code 57641 in?

ZIP code 57641 falls within Corson County, South Dakota.

Does ZIP code 57641 have an older population?

28% of residents in ZIP code 57641 are 65 or older, above the national average of ~17%.

Is ZIP code 57641 mostly owner-occupied?

84% of occupied units in ZIP code 57641 are owner-occupied, well above the national average.

Does ZIP code 57641 have a large retiree population?

41% of households in ZIP code 57641 receive Social Security income, suggesting a significant retiree or disability population.

Does ZIP code 57641 have a large veteran population?

11% of civilians in ZIP code 57641 are veterans, above the national average of ~7%.

What timezone is ZIP code 57641 in?

ZIP code 57641 observes the MST timezone.