57324 ZIP Code — Cavour, SD

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ZIP code 57324 covers Cavour, South Dakota, with a population of about 371 and a median household income of $76,250.

Population: 3714 per square mile
Median age: 36.91.8 points below the US average
Median household income: $76,2501.1× the South Dakota median
Poverty rate: 11.6%0.8 points below the US average
Median home value: $225,000about the South Dakota median
Degree or higher: 7%28 points below the US average
Homeownership: 97.3%32.3 points above the US average
Time zone: Central UTC-06:00observes daylight saving time
Businesses: 3

Where 57324 is

Cavour, 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

Population	371
Median age	36.9
Family households	72.8%
Born outside the US	0%
Speaks a language other than English at home	1.4%
White (non-Hispanic)	85.7%
Black (non-Hispanic)	0%
Asian (non-Hispanic)	0%
Hispanic or Latino	0%
Veterans	4.9%

Population by age

Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income	$76,250
Income per person	$37,975
Poverty rate	11.6%
Households on SNAP or cash assistance	4.1%

Household income distribution

Under $10k	2.7%
$10–15k	0.0%
$15–20k	0.0%
$20–25k	4.8%
$25–30k	1.4%
$30–35k	0.7%
$35–40k	2.0%
$40–45k	3.4%
$45–50k	0.0%
$50–60k	20.4%
$60–75k	12.9%
$75–100k	21.8%
$100–125k	9.5%
$125–150k	0.7%
$150–200k	16.3%
$200k or more	3.4%

Income as declared to the IRS

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

Tax returns filed	180
Mean adjusted gross income	$85,583
Returns declaring $200,000 or more	0%
Returns, under $25k	22.2%
Returns, $25k–$50k	22.2%
Returns, $50k–$75k	22.2%
Returns, $75k–$100k	0.0%
Returns, $100k–$200k	33.3%
Returns, $200k or more	0.0%

Housing

American Community Survey 2019–2023 five-year estimates

Median home value	$225,000
Owner-occupied	97.3%
Vacant homes	11.4%
Median year built	1967

What the homes are

Detached house	85.5%
2 to 4 units	3%
Mobile home	11.4%

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate	1.1%
Bachelor's degree or higher	7%
High school diploma or higher	96%
Works from home	6.6%
Drives to work alone	81.3%
Takes public transport	0%
Commutes 45 minutes or more	1.2%

Health

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

Obesity	34% 0.6 pts above the national average of 33.4%
Diagnosed diabetes	11.8% same as the national average of 12%
Currently smokes	14.4% 1.2 pts above the national average of 13.2%
High blood pressure	35.3% 1.2 pts above the national average of 34.1%
Fair or poor general health	16.3% 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%
Depression	20.6% 1.3 pts below the national average of 21.9%
No leisure-time physical activity	23.8% 1.6 pts below the national average of 25.4%
Arthritis	28.6% 3.5 pts above the national average of 25.1%
Binge drinking	17.3% 1.3 pts above the national average of 16%
Taking blood pressure medication	79.2% 4.5 pts above the national average of 74.7%
Cancer (non-skin)	11% 3.3 pts above the national average of 7.7%
Current asthma	9.9% 0.5 pts below the national average of 10.4%
Coronary heart disease	7.5% 1.3 pts above the national average of 6.2%
Routine check-up in past year	78.1% 1.4 pts above the national average of 76.7%
Cholesterol screening	88.2% 2.3 pts above the national average of 85.9%
Cognitive disability	12.4% 2.4 pts below the national average of 14.8%
Colorectal screening	70.7% 6.4 pts above the national average of 64.3%
COPD	7.1% 0.5 pts above the national average of 6.6%
Visited a dentist	70.1% 8.8 pts above the national average of 61.3%
Any disability	29.4% 1.3 pts below the national average of 30.7%
Hearing disability	8.8% 2.1 pts above the national average of 6.7%
High cholesterol	37.8% 1.6 pts above the national average of 36.2%
Independent living disability	7.1% 1.3 pts below the national average of 8.4%
Mammography use	78.6% 2.7 pts above the national average of 75.9%
Poor mental health (14+ days)	14% 2.8 pts below the national average of 16.8%
Mobility disability	13.1% 0.9 pts below the national average of 14%
Poor physical health (14+ days)	12.8% 0.7 pts below the national average of 13.5%
Self-care disability	3.4% 0.6 pts below the national average of 4%
Sleeps under 7 hours	29.1% 7.3 pts below the national average of 36.4%
Stroke	3.7% same as the national average of 3.4%
All natural teeth lost	9.5% 3.5 pts below the national average of 13%
Vision disability	4.1% 1.5 pts below the national average of 5.6%

Business and employment

Census ZIP Code Business Patterns 2022

Business establishments	3
People employed	6
Annual payroll	$489,000

Natural hazard risk

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

Overall risk	Higher than 94.5% of US census tracts
FEMA rating	Relatively High
Expected annual loss	94.3 out of 100
Community resilience	39.9 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.

Drought	99.5Relatively High at its worst in this ZIP code
Hail	98.2Very High at its worst in this ZIP code
Cold wave	97.5Very High at its worst in this ZIP code
Winter weather	96.9Very High at its worst in this ZIP code
Ice storm	95.4Relatively High at its worst in this ZIP code
Tornado	94.1Very High at its worst in this ZIP code
Wildfire	93.6Relatively Moderate at its worst in this ZIP code
River flooding	92.7Relatively High at its worst in this ZIP code
Strong wind	89.5Relatively High at its worst in this ZIP code
Landslide	84.5Relatively Low at its worst in this ZIP code
Heat wave	47.4Relatively Low at its worst in this ZIP code
Lightning	31.5Relatively Low at its worst in this ZIP code
Earthquake	26.7Very 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 ZIP	South Dakota	United States
Median household income	$76,250	$72,421	$78,538
Income per person	$37,975	$38,880	$43,289
Poverty rate	11.6%	12%	12.4%
Median home value	$225,000	$236,800	$303,400
Median gross rent	—	$912	$1,348
Homeownership	97.3%	68.6%	65%
Bachelor's degree or higher	7%	31.1%	35%
Unemployment rate	1.1%	3%	5.2%
Works from home	6.6%	9.3%	13.5%
Born outside the US	0%	3.9%	13.9%
Median age	36.9	37.7	38.7

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 station	HURON RGNL AP, SD US16.5 km away
Rain in a year	23 in
Snow in a year	44 in

Average high and low by month

January	25.8°F / 6.2°F0.58 in rain, 7.8 in snow
February	30.8°F / 10.2°F0.75 in rain, 8.9 in snow
March	43.7°F / 22.1°F1.15 in rain, 6.6 in snow
April	57.9°F / 33.6°F2.52 in rain, 5.5 in snow
May	70°F / 45.9°F3.15 in rain
June	80°F / 56.7°F3.89 in rain
July	85.7°F / 61.6°F2.83 in rain
August	83.4°F / 59.2°F2.59 in rain
September	75.7°F / 49.5°F2.43 in rain
October	60.2°F / 35.5°F1.95 in rain, 1.4 in snow
November	43.9°F / 22.2°F0.82 in rain, 5.8 in snow
December	30.2°F / 11°F0.66 in rain, 8.4 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 supermarket	None of this ZIP code
Far from a supermarket	None of this ZIP code
No vehicle and far from a supermarket	None 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 2 school districts, so the address decides which one, not the ZIP code.

Iroquois School District 02-3	53.3% of this ZIP code's land area
Huron School District 02-2	46.7% 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 vulnerability	16more vulnerable than 16% of US census tracts
Socioeconomic status	14more vulnerable than 14% of US census tracts
Household characteristics	14more vulnerable than 14% of US census tracts
Racial and ethnic minority status	8more vulnerable than 8% of US census tracts
Housing type and transport	49more vulnerable than 49% of US census tracts
Walkability	3.7 out of 20Least walkable

Nearby ZIP codes

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

57353 Iroquois, SD	13.4 km away
57399 Huron, SD	15.4 km away
57350 Huron, SD	15.6 km away
57386 Yale, SD	17.6 km away
57379 Virgil, SD	33.1 km away
57322 Carpenter, SD	34.3 km away
57323 Carthage, SD	34.4 km away
57384 Wolsey, SD	36.2 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.

Beadle County	100% of this ZIP code's land area
Time zone	Central (UTC-06:00 standard)
Daylight saving time	Observed
Land area	84.75 sq mi
Population density	4 people per sq mi
Latitude, longitude	44.3650, -98.0208

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.