Postal Codes

57374 ZIP Code

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ZIP code 57374 covers Spencer, South Dakota, with a population of about 318 and a median household income of $75,625.

Population
3184 per square mile
Median age
41.73 points above the US average
Median household income
$75,625about the South Dakota median
Poverty rate
0%12.4 points below the US average
Typical home value
$270,314up 24.6% in five years
Degree or higher
25.6%9.4 points below the US average
Homeownership
87.5%22.5 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
9

Where 57374 is

Spencer, 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

Population318
Median age41.7
Family households75.8%
Born outside the US0.3%
Speaks a language other than English at home2%
White (non-Hispanic)94.7%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino0.6%
Veterans13.2%
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$75,625
Income per person$37,159
Poverty rate0%
Households on SNAP or cash assistance5%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k10.0%
$20–25k1.7%
$25–30k0.8%
$30–35k2.5%
$35–40k1.7%
$40–45k5.8%
$45–50k1.7%
$50–60k7.5%
$60–75k17.5%
$75–100k5.8%
$100–125k19.2%
$125–150k3.3%
$150–200k14.2%
$200k or more8.3%

Income as declared to the IRS

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

Tax returns filed160
Mean adjusted gross income$65,381
Returns declaring $200,000 or more0%
Returns, under $25k25.0%
Returns, $25k–$50k25.0%
Returns, $50k–$75k31.2%
Returns, $75k–$100k0.0%
Returns, $100k–$200k18.8%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$199,200
Rent as a share of household income29%
Owner-occupied87.5%
Vacant homes16.1%
Median year built1953

What the homes are

Detached house81.1%
Attached house0.7%
2 to 4 units1.4%
5 to 19 units7%
Mobile home9.8%
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$270,314as of 2026-07
Typical home value, 1 yearup 9.8%
Typical home value, 5 yearsup 24.6%
Typical home value, 10 yearsup 96.5%
Typical home value since 2000
201620212026$270,314$137,537

$137,537 in 2016 to $270,314 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher25.6%
High school diploma or higher97%
Works from home8.5%
Drives to work alone75.2%
Takes public transport0%
Commutes 45 minutes or more6.2%
Health

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

Obesity34.8% 1.4 pts above the national average of 33.4%
Diagnosed diabetes12% same as the national average of 12%
Currently smokes13.7% 0.5 pts above the national average of 13.2%
High blood pressure35.4% 1.3 pts above the national average of 34.1%
Fair or poor general health16.5% 3.8 pts below the national average of 20.3%
No health insurance (18–64)7.6% 3.7 pts below the national average of 11.3%
Depression19.7% 2.2 pts below the national average of 21.9%
No leisure-time physical activity23.8% 1.6 pts below the national average of 25.4%
Arthritis28.4% 3.3 pts above the national average of 25.1%
Binge drinking18.1% 2.1 pts above the national average of 16%
Taking blood pressure medication79.3% 4.6 pts above the national average of 74.7%
Cancer (non-skin)11.2% 3.5 pts above the national average of 7.7%
Current asthma9.4% 1 pts below the national average of 10.4%
Coronary heart disease8.1% 1.9 pts above the national average of 6.2%
Routine check-up in past year77.4% 0.7 pts above the national average of 76.7%
Cholesterol screening86.6% 0.7 pts above the national average of 85.9%
Cognitive disability12.5% 2.3 pts below the national average of 14.8%
Colorectal screening69.8% 5.5 pts above the national average of 64.3%
COPD7.1% 0.5 pts above the national average of 6.6%
Visited a dentist68.9% 7.6 pts above the national average of 61.3%
Any disability30.3% same as the national average of 30.7%
Hearing disability9.8% 3.1 pts above the national average of 6.7%
High cholesterol36% same as the national average of 36.2%
Independent living disability7.3% 1.1 pts below the national average of 8.4%
Mammography use78% 2.1 pts above the national average of 75.9%
Poor mental health (14+ days)13.9% 2.9 pts below the national average of 16.8%
Mobility disability13.5% 0.5 pts below the national average of 14%
Poor physical health (14+ days)12.5% 1 pts below the national average of 13.5%
Self-care disability3.4% 0.6 pts below the national average of 4%
Sleeps under 7 hours28.8% 7.6 pts below the national average of 36.4%
Stroke3.9% 0.5 pts above the national average of 3.4%
All natural teeth lost12.7% same as the national average of 13%
Vision disability4.3% 1.3 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments9
People employed47
Annual payroll$3,989,000
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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 97.5% of US census tracts
FEMA ratingRelatively High to Very High across the 2 census tracts this ZIP code covers
Expected annual loss96.7 out of 100
Community resilience78.8 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 weather99.6Very High at its worst in this ZIP code
Tornado99.5Very High at its worst in this ZIP code
Drought98.9Relatively High at its worst in this ZIP code
Hail98.6Very High at its worst in this ZIP code
Ice storm98.3Very High at its worst in this ZIP code
Strong wind97.2Very High at its worst in this ZIP code
River flooding96.2Very High at its worst in this ZIP code
Cold wave95.8Very High at its worst in this ZIP code
Wildfire92.9Relatively Moderate at its worst in this ZIP code
Landslide86.4Relatively Low at its worst in this ZIP code
Lightning61.8Relatively High at its worst in this ZIP code
Heat wave50.9Relatively Low at its worst in this ZIP code
Earthquake34.7Very 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$75,625$72,421$78,538
Income per person$37,159$38,880$43,289
Poverty rate0%12%12.4%
Median home value$199,200$236,800$303,400
Median gross rent$912$1,348
Homeownership87.5%68.6%65%
Bachelor's degree or higher25.6%31.1%35%
Unemployment rate0%3%5.2%
Works from home8.5%9.3%13.5%
Born outside the US0.3%3.9%13.9%
Median age41.737.738.7
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 stationALEXANDRIA, SD US20.1 km away
Rain in a year25 in
Snow in a year36 in

Average high and low by month

January25.3°F / 5.8°F0.47 in rain, 6.1 in snow
February31°F / 9.6°F0.74 in rain, 8 in snow
March43.8°F / 20.7°F1.13 in rain, 5.2 in snow
April57.6°F / 31.9°F2.88 in rain, 4.7 in snow
May69.4°F / 44.4°F3.64 in rain
June79.3°F / 55.6°F3.97 in rain
July84.2°F / 60°F3.13 in rain
August81.8°F / 57.4°F3.02 in rain
September75.1°F / 48.6°F2.81 in rain
October60°F / 34.7°F2.01 in rain, 0.9 in snow
November43.2°F / 21.4°F0.92 in rain, 3.2 in snow
December29.2°F / 10.3°F0.6 in rain, 8.2 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 4 school districts, so the address decides which one, not the ZIP code.

McCook Central School District 43-748% of this ZIP code's land area
Hanson School District 30-140.9% of this ZIP code's land area
Howard School District 48-37.4% of this ZIP code's land area
Bridgewater-Emery School District 30-33.7% 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 vulnerability24more vulnerable than 24% of US census tracts
Socioeconomic status22more vulnerable than 22% of US census tracts
Household characteristics31more vulnerable than 31% of US census tracts
Racial and ethnic minority status9more vulnerable than 9% of US census tracts
Housing type and transport44more vulnerable than 44% 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.

57321 Canova, SD15.2 km away
57311 Alexandria, SD16.3 km away
57058 Salem, SD17.3 km away
57332 Emery, SD21.6 km away
57340 Fulton, SD22.3 km away
57319 Bridgewater, SD24.9 km away
57337 Fedora, SD29.8 km away
57012 Canistota, SD31 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.

McCook County54.3% of this ZIP code's land area
Hanson County45.7% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area77.78 sq mi
Water area0.42 sq mi
Population density4 people per sq mi
Latitude, longitude43.7557, -97.5936

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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