Postal Codes

57645 ZIP Code

Advertisement

English Español

ZIP code 57645 covers Morristown, South Dakota, with a population of about 149.

Population
149
Median age
51.112.4 points above the US average
Poverty rate
13.4%1 points above the US average
Degree or higher
26.1%8.9 points below the US average
Homeownership
90.5%25.5 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time

Where 57645 is

Morristown, 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

Population149
Median age51.1
Family households59.5%
Born outside the US0%
Speaks a language other than English at home7.2%
White (non-Hispanic)90.6%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans8.4%
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$42,054
Poverty rate13.4%
Households on SNAP or cash assistance6.8%

Household income distribution

Under $10k5.4%
$10–15k6.8%
$15–20k13.5%
$20–25k4.1%
$25–30k4.1%
$30–35k0.0%
$35–40k6.8%
$40–45k0.0%
$45–50k4.1%
$50–60k4.1%
$60–75k6.8%
$75–100k9.5%
$100–125k0.0%
$125–150k21.6%
$150–200k6.8%
$200k or more6.8%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied90.5%
Vacant homes20.4%
Median year built1938

What the homes are

Detached house94.6%
Mobile home5.4%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher26.1%
High school diploma or higher97.4%
Works from home40.8%
Drives to work alone38.2%
Takes public transport0%
Commutes 45 minutes or more8.9%
Health

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

Obesity41.7% 8.3 pts above the national average of 33.4%
Diagnosed diabetes19.6% 7.6 pts above the national average of 12%
Currently smokes22.9% 9.7 pts above the national average of 13.2%
High blood pressure46.5% 12.4 pts above the national average of 34.1%
Fair or poor general health28.6% 8.3 pts above the national average of 20.3%
No health insurance (18–64)11.9% 0.6 pts above the national average of 11.3%
Depression21.5% same as the national average of 21.9%
No leisure-time physical activity35.4% 10 pts above the national average of 25.4%
Arthritis37.4% 12.3 pts above the national average of 25.1%
Binge drinking14.7% 1.3 pts below the national average of 16%
Taking blood pressure medication82.7% 8 pts above the national average of 74.7%
Cancer (non-skin)11.6% 3.9 pts above the national average of 7.7%
Current asthma10.9% 0.5 pts above the national average of 10.4%
Coronary heart disease13.1% 6.9 pts above the national average of 6.2%
Routine check-up in past year78.5% 1.8 pts above the national average of 76.7%
Cholesterol screening84.3% 1.6 pts below the national average of 85.9%
Cognitive disability16.9% 2.1 pts above the national average of 14.8%
Colorectal screening64.9% 0.6 pts above the national average of 64.3%
COPD13.8% 7.2 pts above the national average of 6.6%
Visited a dentist57.3% 4 pts below the national average of 61.3%
Any disability41.7% 11 pts above the national average of 30.7%
Lacks emotional support22.3% 2.5 pts below the national average of 24.8%
Food insecurity17.1% same as the national average of 17.1%
Received food stamps12.3% 2 pts below the national average of 14.3%
Hearing disability14.5% 7.8 pts above the national average of 6.7%
High cholesterol41.6% 5.4 pts above the national average of 36.2%
Housing insecurity10.7% 3.1 pts below the national average of 13.8%
Independent living disability12.4% 4 pts above the national average of 8.4%
Lacks transport9.6% same as the national average of 9.2%
Loneliness28.8% 5.6 pts below the national average of 34.4%
Mammography use77.6% 1.7 pts above the national average of 75.9%
Poor mental health (14+ days)15.9% 0.9 pts below the national average of 16.8%
Mobility disability23.3% 9.3 pts above the national average of 14%
Poor physical health (14+ days)18.4% 4.9 pts above the national average of 13.5%
Self-care disability7% 3 pts above the national average of 4%
Utility shut-off threat7.6% 1.2 pts below the national average of 8.8%
Sleeps under 7 hours31.3% 5.1 pts below the national average of 36.4%
Stroke6.6% 3.2 pts above the national average of 3.4%
All natural teeth lost28.4% 15.4 pts above the national average of 13%
Vision disability9% 3.4 pts above the national average of 5.6%
Advertisement
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 94.9% of US census tracts
FEMA ratingRelatively High to Very High across the 3 census tracts this ZIP code covers
Expected annual loss91.2 out of 100
Community resilience7.2 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 weather99.3Very High at its worst in this ZIP code
Hail97.6Very High at its worst in this ZIP code
Strong wind96.3Very High at its worst in this ZIP code
Wildfire95.8Relatively Moderate at its worst in this ZIP code
Drought87.3Relatively Low at its worst in this ZIP code
Ice storm87.1Very High at its worst in this ZIP code
Landslide76.4Very Low at its worst in this ZIP code
Lightning73.9Very High at its worst in this ZIP code
Tornado64.3Relatively Moderate at its worst in this ZIP code
River flooding51.3Relatively Moderate at its worst in this ZIP code
Heat wave24.8Relatively Low at its worst in this ZIP code
Earthquake12.4Very 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$42,054$38,880$43,289
Poverty rate13.4%12%12.4%
Median home value$236,800$303,400
Median gross rent$912$1,348
Homeownership90.5%68.6%65%
Bachelor's degree or higher26.1%31.1%35%
Unemployment rate0%3%5.2%
Works from home40.8%9.3%13.5%
Born outside the US0%3.9%13.9%
Median age51.137.738.7
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 stationPRETTY ROCK, ND US28.3 km away
Rain in a year17 in
Snow in a year51 in

Average high and low by month

January25.9°F / 5.5°F0.29 in rain, 6.8 in snow
February29.8°F / 9.2°F0.5 in rain, 8.4 in snow
March42.8°F / 19.4°F0.7 in rain, 9 in snow
April56.2°F / 29.7°F1.47 in rain, 6.4 in snow
May67.6°F / 41.1°F2.69 in rain, 1.6 in snow
June77.1°F / 51.2°F2.84 in rain
July84.6°F / 56.2°F2.36 in rain
August84.2°F / 54.4°F1.88 in rain
September74.4°F / 45.2°F1.47 in rain
October57.4°F / 32.5°F1.44 in rain, 4.1 in snow
November41.3°F / 19.4°F0.57 in rain, 7.3 in snow
December29.5°F / 9.5°F0.33 in rain, 7.6 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 supermarket70% 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 4 school districts, so the address decides which one, not the ZIP code.

McIntosh School District 15-140.5% of this ZIP code's land area
Elgin-New Leipzig Public School District 4926.8% of this ZIP code's land area
Selfridge Public School District 821.3% of this ZIP code's land area
Lemmon School District 52-411.4% 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 vulnerability69more vulnerable than 69% of US census tracts
Socioeconomic status70more vulnerable than 70% of US census tracts
Household characteristics55more vulnerable than 55% of US census tracts
Racial and ethnic minority status58more vulnerable than 58% of US census tracts
Housing type and transport67more vulnerable than 67% of US census tracts
Walkability4 out of 20Least walkable
Nearby ZIP codes

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

57660 Watauga, SD16.3 km away
57634 Keldron, SD24.1 km away
57638 Lemmon, SD36.4 km away
58569 Shields, ND45 km away
58568 Selfridge, ND45.6 km away
58533 Elgin, ND47.8 km away
57659 Walker, SD49 km away
57641 Mc Intosh, SD51 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 County51.9% of this ZIP code's land area
Grant County26.8% of this ZIP code's land area
Sioux County21.3% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area302.15 sq mi
Water area0.54 sq mi
Latitude, longitude45.9386, -101.7232

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.

Advertisement