Postal Codes

57363 ZIP Code

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ZIP code 57363 covers Mount Vernon, South Dakota, with a population of about 867 and a median household income of $72,750.

Population
8675 per square mile
Median age
33.75 points below the US average
Median household income
$72,750about the South Dakota median
Poverty rate
3.7%8.7 points below the US average
Typical home value
$290,957up 30.7% in five years
Median rent
$38957% below the South Dakota median
Degree or higher
18.2%16.8 points below the US average
Homeownership
68.8%3.8 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
12

Where 57363 is

Mount Vernon, 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

Population867
Median age33.7
Family households58.2%
Born outside the US0%
Speaks a language other than English at home0.9%
White (non-Hispanic)95.4%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans3.7%
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

Median household income$72,750
Income per person$35,498
Poverty rate3.7%
Households on SNAP or cash assistance0.6%

Household income distribution

Under $10k0.6%
$10–15k0.0%
$15–20k3.0%
$20–25k20.8%
$25–30k2.1%
$30–35k1.2%
$35–40k0.6%
$40–45k1.8%
$45–50k3.0%
$50–60k8.0%
$60–75k10.4%
$75–100k17.5%
$100–125k6.8%
$125–150k6.8%
$150–200k11.6%
$200k or more5.9%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed450
Mean adjusted gross income$75,713
Returns declaring $200,000 or more6.7%
Returns, under $25k24.4%
Returns, $25k–$50k22.2%
Returns, $50k–$75k17.8%
Returns, $75k–$100k13.3%
Returns, $100k–$200k15.6%
Returns, $200k or more6.7%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$207,000
Median gross rent$389
Rent as a share of household income17.1%
Owner-occupied68.8%
Vacant homes12%
Median year built1944

What the homes are

Detached house91.1%
Attached house1.6%
2 to 4 units2.9%
Mobile home4.4%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$290,957as of 2026-07
Typical home value, 1 yearup 2.4%
Typical home value, 5 yearsup 30.7%
Typical home value, 10 yearsup 82.5%
Typical home value since 2000
201420202026$290,957$147,860

$147,860 in 2014 to $290,957 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.2%
Bachelor's degree or higher18.2%
High school diploma or higher94.3%
Works from home12.6%
Drives to work alone78.7%
Takes public transport0%
Commutes 45 minutes or more7%
Health

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

Obesity38.6% 5.2 pts above the national average of 33.4%
Diagnosed diabetes11.4% 0.6 pts below the national average of 12%
Currently smokes16.8% 3.6 pts above the national average of 13.2%
High blood pressure33.9% same as the national average of 34.1%
Fair or poor general health17.7% 2.6 pts below the national average of 20.3%
No health insurance (18–64)8.8% 2.5 pts below the national average of 11.3%
Depression21.5% same as the national average of 21.9%
No leisure-time physical activity24.5% 0.9 pts below the national average of 25.4%
Arthritis26.6% 1.5 pts above the national average of 25.1%
Binge drinking18.8% 2.8 pts above the national average of 16%
Taking blood pressure medication75.7% 1 pts above the national average of 74.7%
Cancer (non-skin)9.2% 1.5 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease6.8% 0.6 pts above the national average of 6.2%
Routine check-up in past year74.8% 1.9 pts below the national average of 76.7%
Cholesterol screening84.6% 1.3 pts below the national average of 85.9%
Cognitive disability14.2% 0.6 pts below the national average of 14.8%
Colorectal screening65.5% 1.2 pts above the national average of 64.3%
COPD7.3% 0.7 pts above the national average of 6.6%
Visited a dentist67.6% 6.3 pts above the national average of 61.3%
Any disability30.2% 0.5 pts below the national average of 30.7%
Hearing disability8.3% 1.6 pts above the national average of 6.7%
High cholesterol34.4% 1.8 pts below the national average of 36.2%
Independent living disability8% same as the national average of 8.4%
Mammography use74.8% 1.1 pts below the national average of 75.9%
Poor mental health (14+ days)16% 0.8 pts below the national average of 16.8%
Mobility disability13.2% 0.8 pts below the national average of 14%
Poor physical health (14+ days)13.1% same as the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Sleeps under 7 hours29.4% 7 pts below the national average of 36.4%
Stroke3.5% same as the national average of 3.4%
All natural teeth lost14.4% 1.4 pts above the national average of 13%
Vision disability4.6% 1 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments12
People employed42
Annual payroll$1,279,000
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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 88.8% of US census tracts
FEMA ratingRelatively High to Very High across the 3 census tracts this ZIP code covers
Expected annual loss91.4 out of 100
Community resilience71.9 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.

Winter weather98.8Very High at its worst in this ZIP code
Drought98.4Relatively High at its worst in this ZIP code
Hail97.1Very High at its worst in this ZIP code
Tornado96.9Very High at its worst in this ZIP code
Ice storm96.8Very High at its worst in this ZIP code
Strong wind96Relatively High at its worst in this ZIP code
Cold wave94.3Very High at its worst in this ZIP code
Wildfire92.9Relatively High at its worst in this ZIP code
River flooding86.1Relatively High at its worst in this ZIP code
Landslide81.7Relatively Low at its worst in this ZIP code
Lightning58.2Relatively Moderate at its worst in this ZIP code
Earthquake30.4Relatively Low at its worst in this ZIP code
Heat wave23.2Relatively 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$72,750$72,421$78,538
Income per person$35,498$38,880$43,289
Poverty rate3.7%12%12.4%
Median home value$207,000$236,800$303,400
Median gross rent$389$912$1,348
Homeownership68.8%68.6%65%
Bachelor's degree or higher18.2%31.1%35%
Unemployment rate0.2%3%5.2%
Works from home12.6%9.3%13.5%
Born outside the US0%3.9%13.9%
Median age33.737.738.7
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 stationMITCHELL, SD US16.2 km away
Rain in a year26 in
Snow in a year41 in

Average high and low by month

January27.3°F / 9.3°F0.61 in rain, 5.6 in snow
February32.4°F / 13.4°F0.76 in rain, 8.3 in snow
March45.2°F / 25.1°F1.26 in rain, 5.8 in snow
April58.6°F / 36.5°F2.76 in rain, 6 in snow
May70.3°F / 48.7°F3.69 in rain
June80.9°F / 59.5°F3.95 in rain
July87°F / 65.3°F3.02 in rain
August84°F / 62.1°F3.09 in rain
September76.1°F / 53°F2.64 in rain
October60.9°F / 39.1°F2.11 in rain, 0.6 in snow
November44.8°F / 25.5°F1.12 in rain, 4.1 in snow
December30.8°F / 14.5°F0.77 in rain, 10.2 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 supermarketNone of this ZIP code
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 7 school districts, so the address decides which one, not the ZIP code.

Mount Vernon School District 17-380.4% of this ZIP code's land area
Ethan School District 17-16.4% of this ZIP code's land area
Corsica-Stickney School District 21-34.8% of this ZIP code's land area
Plankinton School District 01-12.4% of this ZIP code's land area
Woonsocket School District 55-42.4% of this ZIP code's land area
Sanborn Central School District 55-52.2% of this ZIP code's land area
Mitchell School District 17-21% 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 vulnerability17more vulnerable than 17% of US census tracts
Socioeconomic status23more vulnerable than 23% of US census tracts
Household characteristics32more vulnerable than 32% of US census tracts
Racial and ethnic minority status10more vulnerable than 10% of US census tracts
Housing type and transport20more vulnerable than 20% of US census tracts
Walkability4.3 out of 20Least walkable
Nearby ZIP codes

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

57368 Plankinton, SD16.7 km away
57301 Mitchell, SD18.8 km away
57359 Letcher, SD20.4 km away
57375 Stickney, SD24.9 km away
57334 Ethan, SD29.3 km away
57340 Fulton, SD31.8 km away
57328 Corsica, SD34.1 km away
57331 Dimock, SD35 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.

Davison County91.3% of this ZIP code's land area
Sanborn County6.3% of this ZIP code's land area
Aurora County2.5% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area189.78 sq mi
Water area0.05 sq mi
Population density5 people per sq mi
Latitude, longitude43.7204, -98.2633

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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