Postal Codes

57321 ZIP Code

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ZIP code 57321 covers Canova, South Dakota, with a population of about 399 and a median household income of $81,786.

Population
3994 per square mile
Median age
38.20.5 points below the US average
Median household income
$81,7861.1× the South Dakota median
Poverty rate
7.6%4.8 points below the US average
Degree or higher
24.8%10.2 points below the US average
Homeownership
100%35 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
10

Where 57321 is

Canova, 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

Population399
Median age38.2
Family households86%
Born outside the US0%
Speaks a language other than English at home0%
White (non-Hispanic)98.7%
Black (non-Hispanic)1.3%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans3.2%
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$81,786
Income per person$29,525
Poverty rate7.6%
Households on SNAP or cash assistance9%

Household income distribution

Under $10k3.0%
$10–15k0.0%
$15–20k0.0%
$20–25k1.0%
$25–30k8.0%
$30–35k0.0%
$35–40k0.0%
$40–45k0.0%
$45–50k14.0%
$50–60k7.0%
$60–75k12.0%
$75–100k18.0%
$100–125k18.0%
$125–150k0.0%
$150–200k9.0%
$200k or more10.0%

Income as declared to the IRS

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

Tax returns filed170
Mean adjusted gross income$73,129
Returns declaring $200,000 or more0%
Returns, under $25k23.5%
Returns, $25k–$50k23.5%
Returns, $50k–$75k17.6%
Returns, $75k–$100k11.8%
Returns, $100k–$200k23.5%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied100%
Vacant homes20%
Median year built1950

What the homes are

Detached house96%
Mobile home4%
Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher24.8%
High school diploma or higher95.6%
Works from home13.9%
Drives to work alone59.6%
Takes public transport0%
Commutes 45 minutes or more13.3%
Health

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

Obesity37.1% 3.7 pts above the national average of 33.4%
Diagnosed diabetes12.1% same as the national average of 12%
Currently smokes17.1% 3.9 pts above the national average of 13.2%
High blood pressure34.5% same as the national average of 34.1%
Fair or poor general health17.9% 2.4 pts below the national average of 20.3%
No health insurance (18–64)7.7% 3.6 pts below the national average of 11.3%
Depression21.5% same as the national average of 21.9%
No leisure-time physical activity25.1% same as the national average of 25.4%
Arthritis27.6% 2.5 pts above the national average of 25.1%
Binge drinking18.5% 2.5 pts above the national average of 16%
Taking blood pressure medication77.2% 2.5 pts above the national average of 74.7%
Cancer (non-skin)9.4% 1.7 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease7.1% 0.9 pts above the national average of 6.2%
Routine check-up in past year76.4% same as the national average of 76.7%
Cholesterol screening86% same as the national average of 85.9%
Cognitive disability14.1% 0.7 pts below the national average of 14.8%
Colorectal screening65.5% 1.2 pts above the national average of 64.3%
COPD7.5% 0.9 pts above the national average of 6.6%
Visited a dentist66.6% 5.3 pts above the national average of 61.3%
Any disability30.3% same as the national average of 30.7%
Hearing disability8.4% 1.7 pts above the national average of 6.7%
High cholesterol35.7% 0.5 pts below the national average of 36.2%
Independent living disability8% same as the national average of 8.4%
Mammography use75.7% same as the national average of 75.9%
Poor mental health (14+ days)15.7% 1.1 pts below the national average of 16.8%
Mobility disability13.7% same as the national average of 14%
Poor physical health (14+ days)13.5% same as the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Sleeps under 7 hours31.2% 5.2 pts below the national average of 36.4%
Stroke3.7% same as the national average of 3.4%
All natural teeth lost16.8% 3.8 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 establishments10
People employed35
Annual payroll$1,017,000
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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 93.6% of US census tracts
FEMA ratingRelatively High to Very High across the 3 census tracts this ZIP code covers
Expected annual loss95.7 out of 100
Community resilience92.1 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.

Drought99.2Relatively High at its worst in this ZIP code
Winter weather99.2Very High at its worst in this ZIP code
Ice storm98.3Very High at its worst in this ZIP code
Tornado98Very High at its worst in this ZIP code
Hail97.8Very High at its worst in this ZIP code
Cold wave97.5Very High at its worst in this ZIP code
Strong wind94.9Very High at its worst in this ZIP code
Wildfire91.9Relatively Moderate at its worst in this ZIP code
River flooding81.5Very High at its worst in this ZIP code
Landslide75.9Relatively Low at its worst in this ZIP code
Heat wave50.5Relatively Low at its worst in this ZIP code
Lightning40.8Relatively High at its worst in this ZIP code
Earthquake35.6Very 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$81,786$72,421$78,538
Income per person$29,525$38,880$43,289
Poverty rate7.6%12%12.4%
Median home value$236,800$303,400
Median gross rent$912$1,348
Homeownership100%68.6%65%
Bachelor's degree or higher24.8%31.1%35%
Unemployment rate0%3%5.2%
Works from home13.9%9.3%13.5%
Born outside the US0%3.9%13.9%
Median age38.237.738.7
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 stationHOWARD, SD US14.1 km away
Rain in a year26 in
Snow in a year36 in

Average high and low by month

January29.1°F / 4.6°F0.63 in rain, 5.8 in snow
February34.1°F / 9°F0.67 in rain, 6.4 in snow
March46.8°F / 20.8°F1.37 in rain, 6.6 in snow
April61°F / 31.8°F2.68 in rain, 5.2 in snow
May72.5°F / 44.8°F3.88 in rain
June82.3°F / 55.8°F3.7 in rain
July87.3°F / 60.2°F3.51 in rain
August84.9°F / 57.6°F2.89 in rain
September77.4°F / 48.4°F2.96 in rain
October62.6°F / 35.1°F2.35 in rain, 1 in snow
November46.9°F / 21.3°F1.02 in rain, 3.2 in snow
December33.1°F / 10.2°F0.69 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 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 3 school districts, so the address decides which one, not the ZIP code.

Howard School District 48-379.2% of this ZIP code's land area
McCook Central School District 43-715.2% of this ZIP code's land area
Hanson School District 30-15.6% 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 vulnerability45more vulnerable than 45% of US census tracts
Socioeconomic status34more vulnerable than 34% of US census tracts
Household characteristics57more vulnerable than 57% of US census tracts
Racial and ethnic minority status8more vulnerable than 8% of US census tracts
Housing type and transport69more vulnerable than 69% of US census tracts
Walkability5.6 out of 20Least walkable
Nearby ZIP codes

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

57374 Spencer, SD15.2 km away
57349 Howard, SD17 km away
57076 Winfred, SD18.5 km away
57058 Salem, SD20.8 km away
57337 Fedora, SD23.2 km away
57311 Alexandria, SD30 km away
57340 Fulton, SD30.5 km away
57323 Carthage, SD32.6 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.

Miner County76.3% of this ZIP code's land area
McCook County17.1% of this ZIP code's land area
Hanson County6.7% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area108.94 sq mi
Water area0.06 sq mi
Population density4 people per sq mi
Latitude, longitude43.8855, -97.5342

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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