Postal Codes

57638 ZIP Code

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ZIP code 57638 covers Lemmon, South Dakota, with a population of about 1,963 and a median household income of $58,672.

Population
1,9632 per square mile
Median age
46.57.8 points above the US average
Median household income
$58,67219% below the South Dakota median
Poverty rate
16.3%3.9 points above the US average
Typical home value
$115,746up 36.8% in five years
Median rent
$62531% below the South Dakota median
Degree or higher
22.2%12.8 points below the US average
Homeownership
83.2%18.2 points above the US average
Time zone
Mountain UTC-07:00observes daylight saving time
Businesses
86

Where 57638 is

Lemmon, 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

Population1,963
Median age46.5
Family households61.6%
Born outside the US1.3%
Speaks a language other than English at home0.6%
White (non-Hispanic)93.3%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino1.3%
Veterans8.5%
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$58,672
Income per person$30,920
Poverty rate16.3%
Households on SNAP or cash assistance15.2%

Household income distribution

Under $10k4.3%
$10–15k12.9%
$15–20k5.8%
$20–25k2.6%
$25–30k2.7%
$30–35k6.2%
$35–40k4.0%
$40–45k4.3%
$45–50k2.0%
$50–60k6.1%
$60–75k10.9%
$75–100k6.6%
$100–125k14.0%
$125–150k9.8%
$150–200k4.8%
$200k or more2.7%

Income as declared to the IRS

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

Tax returns filed710
Mean adjusted gross income$64,169
Returns declaring $200,000 or more4.2%
Returns, under $25k31.0%
Returns, $25k–$50k23.9%
Returns, $50k–$75k16.9%
Returns, $75k–$100k9.9%
Returns, $100k–$200k14.1%
Returns, $200k or more4.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$90,500
Median gross rent$625
Rent as a share of household income22.7%
Owner-occupied83.2%
Vacant homes28.1%
Median year built1962

What the homes are

Detached house75%
Attached house1.8%
2 to 4 units1.5%
5 to 19 units5%
20 or more units1.6%
Mobile home15.1%
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$115,746as of 2026-07
Typical home value, 1 yeardown 0.8%
Typical home value, 5 yearsup 36.8%
Typical home value since 2000
202020232026$116,622$73,993

$73,993 in 2020 to $115,746 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.3%
Bachelor's degree or higher22.2%
High school diploma or higher91.7%
Works from home13.8%
Drives to work alone75.1%
Takes public transport0%
Commutes 45 minutes or more6.1%
Health

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

Obesity35.8% 2.4 pts above the national average of 33.4%
Diagnosed diabetes14.3% 2.3 pts above the national average of 12%
Currently smokes16% 2.8 pts above the national average of 13.2%
High blood pressure39.3% 5.2 pts above the national average of 34.1%
Fair or poor general health20.3% same as the national average of 20.3%
No health insurance (18–64)8.6% 2.7 pts below the national average of 11.3%
Depression20.3% 1.6 pts below the national average of 21.9%
No leisure-time physical activity27.5% 2.1 pts above the national average of 25.4%
Arthritis33.2% 8.1 pts above the national average of 25.1%
Binge drinking16.1% same as the national average of 16%
Taking blood pressure medication81.7% 7 pts above the national average of 74.7%
Cancer (non-skin)12.2% 4.5 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease9.6% 3.4 pts above the national average of 6.2%
Routine check-up in past year78.8% 2.1 pts above the national average of 76.7%
Cholesterol screening87.1% 1.2 pts above the national average of 85.9%
Cognitive disability13.7% 1.1 pts below the national average of 14.8%
Colorectal screening68% 3.7 pts above the national average of 64.3%
COPD9.2% 2.6 pts above the national average of 6.6%
Visited a dentist65.7% 4.4 pts above the national average of 61.3%
Any disability34.6% 3.9 pts above the national average of 30.7%
Lacks emotional support20.8% 4 pts below the national average of 24.8%
Food insecurity12.3% 4.8 pts below the national average of 17.1%
Received food stamps8.7% 5.6 pts below the national average of 14.3%
Hearing disability11.3% 4.6 pts above the national average of 6.7%
High cholesterol39% 2.8 pts above the national average of 36.2%
Housing insecurity8.6% 5.2 pts below the national average of 13.8%
Independent living disability9.1% 0.7 pts above the national average of 8.4%
Lacks transport6.7% 2.5 pts below the national average of 9.2%
Loneliness27.5% 6.9 pts below the national average of 34.4%
Mammography use76.4% 0.5 pts above the national average of 75.9%
Poor mental health (14+ days)14.5% 2.3 pts below the national average of 16.8%
Mobility disability17.3% 3.3 pts above the national average of 14%
Poor physical health (14+ days)14.7% 1.2 pts above the national average of 13.5%
Self-care disability4.5% 0.5 pts above the national average of 4%
Utility shut-off threat5.9% 2.9 pts below the national average of 8.8%
Sleeps under 7 hours28.8% 7.6 pts below the national average of 36.4%
Stroke4.8% 1.4 pts above the national average of 3.4%
All natural teeth lost15.3% 2.3 pts above the national average of 13%
Vision disability5.6% same as the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments86
People employed567
Annual payroll$20,347,000
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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 86.8% of US census tracts
FEMA ratingRelatively Moderate to Very High across the 5 census tracts this ZIP code covers
Expected annual loss85 out of 100
Community resilience14.6 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 weather99.5Very High at its worst in this ZIP code
Cold wave99.4Very High at its worst in this ZIP code
Hail97.2Very High at its worst in this ZIP code
Strong wind95.5Very High at its worst in this ZIP code
Wildfire95.2Relatively High at its worst in this ZIP code
Ice storm93.9Very High at its worst in this ZIP code
Drought86.3Relatively Low at its worst in this ZIP code
Landslide76.7Very Low at its worst in this ZIP code
Lightning73Very High at its worst in this ZIP code
Tornado61.4Relatively Moderate at its worst in this ZIP code
River flooding59.7Relatively Moderate at its worst in this ZIP code
Earthquake20.6Very Low at its worst in this ZIP code
Heat wave17.4Relatively 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$58,672$72,421$78,538
Income per person$30,920$38,880$43,289
Poverty rate16.3%12%12.4%
Median home value$90,500$236,800$303,400
Median gross rent$625$912$1,348
Homeownership83.2%68.6%65%
Bachelor's degree or higher22.2%31.1%35%
Unemployment rate5.3%3%5.2%
Works from home13.8%9.3%13.5%
Born outside the US1.3%3.9%13.9%
Median age46.537.738.7
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 stationLEMMON, SD US3.8 km away
Rain in a year18 in
Snow in a year42 in

Average high and low by month

January28.8°F / 8.9°F0.26 in rain, 4.5 in snow
February32.6°F / 12°F0.48 in rain, 7.6 in snow
March45°F / 21.2°F0.79 in rain, 7.5 in snow
April57.7°F / 31.7°F1.71 in rain, 4.8 in snow
May69.1°F / 42.9°F2.84 in rain, 0.7 in snow
June78.7°F / 52.8°F3.03 in rain
July86.7°F / 58.6°F2.75 in rain
August86°F / 56.6°F2.11 in rain
September76.8°F / 47.3°F1.48 in rain
October59.8°F / 34.6°F1.54 in rain, 3.1 in snow
November43.5°F / 21.9°F0.6 in rain, 5.2 in snow
December31.9°F / 12.3°F0.41 in rain, 8.9 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 supermarket9% of this ZIP code's area
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 5 school districts, so the address decides which one, not the ZIP code.

Lemmon School District 52-448.4% of this ZIP code's land area
Hettinger Public School District 1325.1% of this ZIP code's land area
Bison School District 52-116.5% of this ZIP code's land area
Elgin-New Leipzig Public School District 495.1% of this ZIP code's land area
Selfridge Public School District 84.7% 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 vulnerability56more vulnerable than 56% of US census tracts
Socioeconomic status44more vulnerable than 44% of US census tracts
Household characteristics54more vulnerable than 54% of US census tracts
Racial and ethnic minority status14more vulnerable than 14% of US census tracts
Housing type and transport82more vulnerable than 82% of US census tracts
Walkability5.9 out of 20Below average
Nearby ZIP codes

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

57634 Keldron, SD30 km away
57645 Morristown, SD36.4 km away
57640 Lodgepole, SD45.1 km away
58639 Hettinger, ND48.4 km away
57620 Bison, SD49.8 km away
58646 Mott, ND51.5 km away
57660 Watauga, SD52.6 km away
58562 New Leipzig, ND54.8 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.

Perkins County60.2% of this ZIP code's land area
Adams County25.3% of this ZIP code's land area
Grant County5.1% of this ZIP code's land area
Sioux County4.7% of this ZIP code's land area
Corson County4.7% of this ZIP code's land area
Time zoneMountain (UTC-07:00 standard)
Daylight saving timeObserved
Land area1012.38 sq mi
Water area10.42 sq mi
Population density2 people per sq mi
Latitude, longitude45.9159, -102.1928

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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