Postal Codes

57226 ZIP Code

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ZIP code 57226 covers Clear Lake, South Dakota, with a population of about 1,834 and a median household income of $71,250.

Population
1,83410 per square mile
Median age
434.3 points above the US average
Median household income
$71,250about the South Dakota median
Poverty rate
9%3.4 points below the US average
Typical home value
$267,237up 24.2% in five years
Median rent
$67826% below the South Dakota median
Degree or higher
26.3%8.7 points below the US average
Homeownership
76%11 points above the US average
Time zone
Central UTC-06:00observes daylight saving time
Businesses
79

Where 57226 is

Clear Lake, 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

Population1,834
Median age43
Family households59.9%
Born outside the US1%
Speaks a language other than English at home1.8%
White (non-Hispanic)93.3%
Black (non-Hispanic)0.2%
Asian (non-Hispanic)0.4%
Hispanic or Latino2.7%
Veterans11.1%
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$71,250
Income per person$34,606
Poverty rate9%
Households on SNAP or cash assistance4.1%

Household income distribution

Under $10k3.4%
$10–15k3.4%
$15–20k6.2%
$20–25k4.6%
$25–30k3.1%
$30–35k2.7%
$35–40k4.6%
$40–45k2.3%
$45–50k1.9%
$50–60k8.8%
$60–75k10.2%
$75–100k20.9%
$100–125k7.1%
$125–150k7.7%
$150–200k7.5%
$200k or more5.4%

Income as declared to the IRS

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

Tax returns filed980
Mean adjusted gross income$71,636
Returns declaring $200,000 or more4.1%
Returns, under $25k22.4%
Returns, $25k–$50k25.5%
Returns, $50k–$75k16.3%
Returns, $75k–$100k13.3%
Returns, $100k–$200k18.4%
Returns, $200k or more4.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$175,800
Median gross rent$678
Rent as a share of household income19.1%
Owner-occupied76%
Vacant homes16.2%
Median year built1972

What the homes are

Detached house79.2%
2 to 4 units5.5%
5 to 19 units9.3%
20 or more units0.9%
Mobile home3.5%
Boat, RV or van1.6%
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$267,237as of 2026-07
Typical home value, 1 yearup 8.3%
Typical home value, 5 yearsup 24.2%
Typical home value since 2000
201820222026$267,237$162,345

$162,345 in 2018 to $267,237 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0.7%
Bachelor's degree or higher26.3%
High school diploma or higher91.1%
Works from home6.1%
Drives to work alone74%
Takes public transport0%
Commutes 45 minutes or more6.9%
Health

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

Obesity33.9% 0.5 pts above the national average of 33.4%
Diagnosed diabetes12.6% 0.6 pts above the national average of 12%
Currently smokes15.4% 2.2 pts above the national average of 13.2%
High blood pressure36% 1.9 pts above the national average of 34.1%
Fair or poor general health18.1% 2.2 pts below the national average of 20.3%
No health insurance (18–64)8.2% 3.1 pts below the national average of 11.3%
Depression20.6% 1.3 pts below the national average of 21.9%
No leisure-time physical activity25.3% same as the national average of 25.4%
Arthritis30.1% 5 pts above the national average of 25.1%
Binge drinking17.1% 1.1 pts above the national average of 16%
Taking blood pressure medication79.6% 4.9 pts above the national average of 74.7%
Cancer (non-skin)11.2% 3.5 pts above the national average of 7.7%
Current asthma10.2% same as the national average of 10.4%
Coronary heart disease8.3% 2.1 pts above the national average of 6.2%
Routine check-up in past year78.1% 1.4 pts above the national average of 76.7%
Cholesterol screening87% 1.1 pts above the national average of 85.9%
Cognitive disability13.4% 1.4 pts below the national average of 14.8%
Colorectal screening66.9% 2.6 pts above the national average of 64.3%
COPD8% 1.4 pts above the national average of 6.6%
Visited a dentist67.6% 6.3 pts above the national average of 61.3%
Any disability32.5% 1.8 pts above the national average of 30.7%
Hearing disability10% 3.3 pts above the national average of 6.7%
High cholesterol36.5% same as the national average of 36.2%
Independent living disability8.3% same as the national average of 8.4%
Mammography use79.5% 3.6 pts above the national average of 75.9%
Poor mental health (14+ days)14.6% 2.2 pts below the national average of 16.8%
Mobility disability15.1% 1.1 pts above the national average of 14%
Poor physical health (14+ days)13.4% same as the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Sleeps under 7 hours28.9% 7.5 pts below the national average of 36.4%
Stroke4.1% 0.7 pts above the national average of 3.4%
All natural teeth lost11% 2 pts below the national average of 13%
Vision disability4.9% 0.7 pts below the national average of 5.6%
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments79
People employed733
Annual payroll$38,780,000
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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 87.5% of US census tracts
FEMA ratingRelatively Low to Relatively High across the 3 census tracts this ZIP code covers
Expected annual loss89.7 out of 100
Community resilience58.4 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 weather98.9Very High at its worst in this ZIP code
Ice storm98.4Very High at its worst in this ZIP code
Cold wave97.6Very High at its worst in this ZIP code
Hail95.8Very High at its worst in this ZIP code
Wildfire95.8Relatively High at its worst in this ZIP code
Tornado95.2Very High at its worst in this ZIP code
Strong wind94.7Very High at its worst in this ZIP code
Drought93.9Relatively Moderate at its worst in this ZIP code
Landslide86.3Relatively Low at its worst in this ZIP code
Heat wave83Relatively High at its worst in this ZIP code
River flooding81.9Relatively High at its worst in this ZIP code
Lightning25.7Relatively Low at its worst in this ZIP code
Earthquake19Very 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$71,250$72,421$78,538
Income per person$34,606$38,880$43,289
Poverty rate9%12%12.4%
Median home value$175,800$236,800$303,400
Median gross rent$678$912$1,348
Homeownership76%68.6%65%
Bachelor's degree or higher26.3%31.1%35%
Unemployment rate0.7%3%5.2%
Works from home6.1%9.3%13.5%
Born outside the US1%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 stationCLEAR LAKE, SD US0.7 km away
Rain in a year27 in
Snow in a year61 in

Average high and low by month

January20.8°F / 2.4°F0.72 in rain, 10.8 in snow
February25.5°F / 6.6°F0.8 in rain, 10.3 in snow
March37.6°F / 18.2°F1.55 in rain, 9.6 in snow
April52.8°F / 31.1°F2.49 in rain, 7 in snow
May65.7°F / 44.4°F3.42 in rain, 0.2 in snow
June75.4°F / 55.2°F4.46 in rain
July80.3°F / 59.9°F3.27 in rain
August78.1°F / 57.5°F3.37 in rain
September70.3°F / 48.7°F3.01 in rain
October56.2°F / 34.5°F2.35 in rain, 1.4 in snow
November39.8°F / 21.2°F1.13 in rain, 7.8 in snow
December26°F / 8.9°F0.91 in rain, 13.6 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 2 school districts, so the address decides which one, not the ZIP code.

Deuel School District 19-496% of this ZIP code's land area
Castlewood School District 28-13.7% 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 vulnerability16more vulnerable than 16% of US census tracts
Socioeconomic status22more vulnerable than 22% of US census tracts
Household characteristics39more vulnerable than 39% of US census tracts
Racial and ethnic minority status12more vulnerable than 12% of US census tracts
Housing type and transport17more vulnerable than 17% of US census tracts
Walkability4.9 out of 20Least walkable
Nearby ZIP codes

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

57218 Brandt, SD10.4 km away
57237 Gary, SD16.4 km away
57238 Goodwin, SD18.5 km away
57268 Toronto, SD20.3 km away
57245 Kranzburg, SD23.1 km away
57234 Estelline, SD23.8 km away
57213 Astoria, SD24 km away
57223 Castlewood, SD26.2 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.

Deuel County96.3% of this ZIP code's land area
Hamlin County3.7% of this ZIP code's land area
Time zoneCentral (UTC-06:00 standard)
Daylight saving timeObserved
Land area191 sq mi
Water area5.5 sq mi
Population density10 people per sq mi
Latitude, longitude44.7612, -96.6907

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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