Postal Codes

57038 ZIP Code

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ZIP code 57038 covers Jefferson, South Dakota, with a population of about 1,713 and a median household income of $86,895.

Population
1,71334 per square mile
Median age
434.3 points above the US average
Median household income
$86,8951.2× the South Dakota median
Poverty rate
1.4%11 points below the US average
Typical home value
$397,750up 28.4% in five years
Degree or higher
34.8%about the US average
Homeownership
89.1%24.1 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
25

Where 57038 is

Jefferson, 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

Population1,713
Median age43
Family households69.4%
Born outside the US1.6%
Speaks a language other than English at home3.2%
White (non-Hispanic)94.4%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino3.2%
Veterans6%
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$86,895
Income per person$54,086
Poverty rate1.4%
Households on SNAP or cash assistance5.6%

Household income distribution

Under $10k0.8%
$10–15k1.6%
$15–20k0.8%
$20–25k0.4%
$25–30k1.9%
$30–35k0.3%
$35–40k5.6%
$40–45k3.2%
$45–50k6.2%
$50–60k5.6%
$60–75k14.3%
$75–100k15.0%
$100–125k10.1%
$125–150k1.1%
$150–200k7.9%
$200k or more25.4%

Income as declared to the IRS

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

Tax returns filed820
Mean adjusted gross income$311,524
Returns declaring $200,000 or more17.1%
Returns, under $25k20.7%
Returns, $25k–$50k17.1%
Returns, $50k–$75k14.6%
Returns, $75k–$100k9.8%
Returns, $100k–$200k20.7%
Returns, $200k or more17.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$280,900
Rent as a share of household income17.4%
Owner-occupied89.1%
Vacant homes1.3%
Median year built1977

What the homes are

Detached house94%
2 to 4 units0.7%
5 to 19 units3.4%
Mobile home2%
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$397,750as of 2026-07
Typical home value, 1 yearup 3.2%
Typical home value, 5 yearsup 28.4%
Typical home value, 10 yearsup 76.7%
Typical home value since 2000
200920172026$397,750$177,793

$177,857 in 2009 to $397,750 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6%
Bachelor's degree or higher34.8%
High school diploma or higher91.7%
Works from home14%
Drives to work alone78.3%
Takes public transport0%
Commutes 45 minutes or more5.6%
Health

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

Obesity32.7% 0.7 pts below the national average of 33.4%
Diagnosed diabetes10.8% 1.2 pts below the national average of 12%
Currently smokes14.9% 1.7 pts above the national average of 13.2%
High blood pressure32.1% 2 pts below the national average of 34.1%
Fair or poor general health15.7% 4.6 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%
Depression20.9% 1 pts below the national average of 21.9%
No leisure-time physical activity21.7% 3.7 pts below the national average of 25.4%
Arthritis25.1% same as the national average of 25.1%
Binge drinking19% 3 pts above the national average of 16%
Taking blood pressure medication75.6% 0.9 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% same as the national average of 10.4%
Coronary heart disease6.3% same as the national average of 6.2%
Routine check-up in past year75.5% 1.2 pts below the national average of 76.7%
Cholesterol screening86.5% 0.6 pts above the national average of 85.9%
Cognitive disability12.5% 2.3 pts below the national average of 14.8%
Colorectal screening65.5% 1.2 pts above the national average of 64.3%
COPD6.3% same as the national average of 6.6%
Visited a dentist70% 8.7 pts above the national average of 61.3%
Any disability27.2% 3.5 pts below the national average of 30.7%
Hearing disability7.4% 0.7 pts above the national average of 6.7%
High cholesterol34.8% 1.4 pts below the national average of 36.2%
Independent living disability6.8% 1.6 pts below the national average of 8.4%
Mammography use79.4% 3.5 pts above the national average of 75.9%
Poor mental health (14+ days)14.7% 2.1 pts below the national average of 16.8%
Mobility disability11.3% 2.7 pts below the national average of 14%
Poor physical health (14+ days)11.9% 1.6 pts below the national average of 13.5%
Self-care disability3.2% 0.8 pts below the national average of 4%
Sleeps under 7 hours32.4% 4 pts below the national average of 36.4%
Stroke3.2% same as the national average of 3.4%
All natural teeth lost11.1% 1.9 pts below the national average of 13%
Vision disability3.9% 1.7 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments25
People employed155
Annual payroll$9,127,000
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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 92.1% of US census tracts
FEMA ratingRelatively High
Expected annual loss94.9 out of 100
Community resilience37.6 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
Tornado98.7Very High at its worst in this ZIP code
River flooding96.4Very High at its worst in this ZIP code
Drought96.3Relatively Moderate at its worst in this ZIP code
Wildfire96.2Relatively Moderate at its worst in this ZIP code
Ice storm95.2Relatively High at its worst in this ZIP code
Hail93.1Relatively High at its worst in this ZIP code
Lightning86.7Relatively High at its worst in this ZIP code
Strong wind86.7Relatively High at its worst in this ZIP code
Cold wave79.5Relatively High at its worst in this ZIP code
Landslide78.1Very Low at its worst in this ZIP code
Heat wave62.9Relatively Moderate at its worst in this ZIP code
Earthquake21Very 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$86,895$72,421$78,538
Income per person$54,086$38,880$43,289
Poverty rate1.4%12%12.4%
Median home value$280,900$236,800$303,400
Median gross rent$912$1,348
Homeownership89.1%68.6%65%
Bachelor's degree or higher34.8%31.1%35%
Unemployment rate6%3%5.2%
Works from home14%9.3%13.5%
Born outside the US1.6%3.9%13.9%
Median age4337.738.7
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 stationSIOUX CITY ANG, IA US28.1 km away
Rain in a year30 in

Average high and low by month

January29.7°F / 8.7°F0.66 in rain
February34.6°F / 12.5°F0.88 in rain
March47.4°F / 23.9°F1.62 in rain
April60.7°F / 34.8°F3.07 in rain
May71.6°F / 47.3°F4.44 in rain
June82.1°F / 57.9°F4.62 in rain
July85.7°F / 63.3°F3.36 in rain
August83°F / 60.9°F3.93 in rain
September77.3°F / 50.9°F2.99 in rain
October63.8°F / 37.3°F2.38 in rain
November47.3°F / 24.3°F1.36 in rain
December33.9°F / 13.7°F0.97 in rain
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 2 school districts, so the address decides which one, not the ZIP code.

Elk Point-Jefferson School District 61-774.9% of this ZIP code's land area
Dakota Valley School District 61-825.1% 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 vulnerability42more vulnerable than 42% of US census tracts
Socioeconomic status28more vulnerable than 28% of US census tracts
Household characteristics84more vulnerable than 84% of US census tracts
Racial and ethnic minority status15more vulnerable than 15% of US census tracts
Housing type and transport44more vulnerable than 44% of US census tracts
Walkability6.6 out of 20Below average
Nearby ZIP codes

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

57049 North Sioux City, SD10.3 km away
68770 Ponca, NE11.6 km away
51109 Sioux City, IA12.3 km away
51062 Westfield, IA12.6 km away
51103 Sioux City, IA16.1 km away
68743 Jackson, NE16.5 km away
51104 Sioux City, IA16.8 km away
57025 Elk Point, SD17.6 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.

Union County100% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area50.58 sq mi
Water area2.53 sq mi
Population density34 people per sq mi
Latitude, longitude42.6013, -96.5784

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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