Postal Codes

57641 ZIP Code

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ZIP code 57641 covers Mc Intosh, South Dakota, with a population of about 244.

Population
2441 per square mile
Median age
54.315.6 points above the US average
Poverty rate
10.2%2.2 points below the US average
Degree or higher
22.4%12.6 points below the US average
Homeownership
82.7%17.7 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
9

Where 57641 is

Mc Intosh, South Dakota — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population244
Median age54.3
Family households64.5%
Born outside the US0%
Speaks a language other than English at home0.4%
White (non-Hispanic)86.1%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0.4%
Veterans5.1%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Income per person$36,869
Poverty rate10.2%
Households on SNAP or cash assistance8.2%

Household income distribution

Under $10k1.8%
$10–15k3.6%
$15–20k10.0%
$20–25k5.5%
$25–30k6.4%
$30–35k6.4%
$35–40k9.1%
$40–45k1.8%
$45–50k0.0%
$50–60k7.3%
$60–75k0.0%
$75–100k15.5%
$100–125k10.0%
$125–150k9.1%
$150–200k4.5%
$200k or more9.1%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied82.7%
Vacant homes28.1%
Median year built1955

What the homes are

Detached house82.4%
2 to 4 units2.6%
Mobile home15%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher22.4%
High school diploma or higher95.1%
Works from home32.2%
Drives to work alone57.9%
Takes public transport0%
Commutes 45 minutes or more3.7%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity41.9% 8.5 pts above the national average of 33.4%
Diagnosed diabetes22% 10 pts above the national average of 12%
Currently smokes26% 12.8 pts above the national average of 13.2%
High blood pressure47.2% 13.1 pts above the national average of 34.1%
Fair or poor general health31.5% 11.2 pts above the national average of 20.3%
No health insurance (18–64)12.4% 1.1 pts above the national average of 11.3%
Depression22.1% same as the national average of 21.9%
No leisure-time physical activity38.2% 12.8 pts above the national average of 25.4%
Arthritis38.3% 13.2 pts above the national average of 25.1%
Binge drinking13.4% 2.6 pts below the national average of 16%
Taking blood pressure medication82.5% 7.8 pts above the national average of 74.7%
Cancer (non-skin)11% 3.3 pts above the national average of 7.7%
Current asthma11.8% 1.4 pts above the national average of 10.4%
Coronary heart disease13.2% 7 pts above the national average of 6.2%
Routine check-up in past year79.1% 2.4 pts above the national average of 76.7%
Cholesterol screening84.5% 1.4 pts below the national average of 85.9%
Cognitive disability18.5% 3.7 pts above the national average of 14.8%
Colorectal screening56.6% 7.7 pts below the national average of 64.3%
COPD14.9% 8.3 pts above the national average of 6.6%
Visited a dentist52.7% 8.6 pts below the national average of 61.3%
Any disability44.3% 13.6 pts above the national average of 30.7%
Lacks emotional support20.8% 4 pts below the national average of 24.8%
Food insecurity18.4% 1.3 pts above the national average of 17.1%
Received food stamps15.9% 1.6 pts above the national average of 14.3%
Hearing disability14.7% 8 pts above the national average of 6.7%
High cholesterol41.5% 5.3 pts above the national average of 36.2%
Housing insecurity11.1% 2.7 pts below the national average of 13.8%
Independent living disability14% 5.6 pts above the national average of 8.4%
Lacks transport9.3% same as the national average of 9.2%
Loneliness28.2% 6.2 pts below the national average of 34.4%
Mammography use72.4% 3.5 pts below the national average of 75.9%
Poor mental health (14+ days)17% same as the national average of 16.8%
Mobility disability26% 12 pts above the national average of 14%
Poor physical health (14+ days)20.1% 6.6 pts above the national average of 13.5%
Self-care disability8.1% 4.1 pts above the national average of 4%
Utility shut-off threat8.6% same as the national average of 8.8%
Sleeps under 7 hours33% 3.4 pts below the national average of 36.4%
Stroke7.1% 3.7 pts above the national average of 3.4%
All natural teeth lost26.6% 13.6 pts above the national average of 13%
Vision disability10.7% 5.1 pts above the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments9
People employed27
Annual payroll$684,000
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Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 94.5% of US census tracts
FEMA ratingRelatively High to Very High across the 3 census tracts this ZIP code covers
Expected annual loss90.5 out of 100
Community resilience3.1 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Cold wave99.9Very High at its worst in this ZIP code
Winter weather99.2Very High at its worst in this ZIP code
Hail97.1Very High at its worst in this ZIP code
Strong wind96Very High at its worst in this ZIP code
Wildfire95.9Relatively Moderate at its worst in this ZIP code
Drought87.6Relatively Low at its worst in this ZIP code
Ice storm84.6Very High at its worst in this ZIP code
Landslide76.2Very Low at its worst in this ZIP code
Lightning69Very High at its worst in this ZIP code
Tornado62.4Relatively Moderate at its worst in this ZIP code
River flooding45.8Relatively Moderate at its worst in this ZIP code
Heat wave23.9Relatively Low at its worst in this ZIP code
Earthquake11.7Very Low at its worst in this ZIP code
Compared with South Dakota and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPSouth DakotaUnited States
Median household income$72,421$78,538
Income per person$36,869$38,880$43,289
Poverty rate10.2%12%12.4%
Median home value$236,800$303,400
Median gross rent$912$1,348
Homeownership82.7%68.6%65%
Bachelor's degree or higher22.4%31.1%35%
Unemployment rate0%3%5.2%
Works from home32.2%9.3%13.5%
Born outside the US0%3.9%13.9%
Median age54.337.738.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationMC INTOSH 6 SE, SD US17.3 km away
Rain in a year17 in
Snow in a year43 in

Average high and low by month

January26°F / 7.1°F0.41 in rain, 7.2 in snow
February30.2°F / 11°F0.52 in rain, 8.2 in snow
March43.2°F / 21.3°F0.67 in rain, 7.4 in snow
April57.1°F / 32.2°F1.37 in rain, 4.9 in snow
May68.8°F / 43.4°F2.44 in rain, 0.6 in snow
June78.7°F / 53.1°F3.48 in rain
July86°F / 58.4°F2.68 in rain
August85.1°F / 57°F1.93 in rain
September75.3°F / 47.7°F1.45 in rain
October58.5°F / 34.7°F1.46 in rain, 2.6 in snow
November41.9°F / 21.3°F0.47 in rain, 5 in snow
December29.8°F / 11.1°F0.42 in rain, 7.4 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarket86% of this ZIP code's area
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 3 school districts, so the address decides which one, not the ZIP code.

McIntosh School District 15-162.4% of this ZIP code's land area
Selfridge Public School District 827.8% of this ZIP code's land area
Roosevelt Public School District 189.7% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability74more vulnerable than 74% of US census tracts
Socioeconomic status77more vulnerable than 77% of US census tracts
Household characteristics55more vulnerable than 55% of US census tracts
Racial and ethnic minority status69more vulnerable than 69% of US census tracts
Housing type and transport65more vulnerable than 65% of US census tracts
Walkability3.6 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

57621 Bullhead, SD8.6 km away
57659 Walker, SD23 km away
57639 Little Eagle, SD27.4 km away
57642 Mc Laughlin, SD27.7 km away
57630 Glencross, SD34.1 km away
57656 Timber Lake, SD36.3 km away
58568 Selfridge, ND36.3 km away
57660 Watauga, SD36.9 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Corson County62.4% of this ZIP code's land area
Sioux County27.8% of this ZIP code's land area
Grant County9.7% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area479.28 sq mi
Water area2.16 sq mi
Population density1 people per sq mi
Latitude, longitude45.7084, -101.1546

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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