Residential delivery area · South Dakota
ZIP Code 57226: Clear Lake, SD
ZIP code 57226 uses the postal name Clear Lake, South Dakota and lies mostly in Deuel County (96% of its land) with the rest in Hamlin County (Census 2020 ZIP-county file). About 2,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $83,125 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Clear Lake (2%) and Altamont (under 1%); 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Clear Lake · its only residential ZIP
- County
- Deuel County (96%); Hamlin County (4%)
- Census places
- Clear Lake (2%); Altamont (under 1%)
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Central
- Land area
- 191.0 sq mi · 10 people per sq mi
Where is ZIP code 57226?
57226 centers on 44.788°, -96.731° and covers 191.0 square miles of land plus 5.5 of water. It borders 8 ZIP codes: 57238, 57237, 57218, 57223, 57265, 57234, 57268, 57259.
The map draws ZIP code areas only. For the streets inside 57226, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 57226 compare with the rest of Deuel County?
| Measure | 57226 | In Deuel County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 1,953 | 1st of 11 | 72nd of 375 |
| Median household income | $83k | 2nd of 3 | 39th of 107 |
| Median home value | $206k | 2nd of 3 | 72nd of 109 |
Its median household income is higher than in 66% of U.S. residential ZIP codes, and it is denser than 17% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 57226?
The 2020 Census counted 2,021 people in 57226; the ACS, which samples households over 2020-2024, estimates 1,953. Between the 2010 and 2020 censuses its population fell 2.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,953
- 2020 Census count
- 2,021−2.5% since 2010 (2,072)
- Households
- 766
- Median age
- 42.9
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 57226?
Of the 1,953 people the ACS estimates in 57226, 21.7% are under 18 and 21.1% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (94.2%).
- Under 1821.7%
- 18 to 6457.1%
- 65 and older21.1%
- White, not Hispanic94.2%
- Other or two or more3.1%
- Hispanic or Latino2.4%
- Asian, not Hispanic0.2%
- Black, not Hispanic0.1%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 57226 earn?
Median household income is $83,125 (ACS 2020-2024), the 2nd highest of the 3 ranked ZIP codes in Deuel County. It is not measurably different from 2015-2019 ($81,884 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $83,125±$10,106
- Income per person
- $34,237
- Below the poverty line
- 11.3%
- Unemployed (of the labor force)
- 2.6%
- Adults 25+ with a bachelor's degree
- 27.0%
- Adjusted gross income per tax return, 2022
- $71,636980 returns; wages 64% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 57226?
FHFA's house price index for 57226, built from repeat sales and appraisals of the same homes, rose 129% from 2015 to 2025 and rose 83% from 2020 to 2025.
- Median home value (owners' estimate)
- $206,400
- Median gross rent
- $668
- Homes owned by their occupants
- 75.5%
- Housing units
- 890
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 57226?
77 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction12
- Retail trade11
- Other services (except public administration)10
- Manufacturing7
- Health care and social assistance7
- Professional, scientific, and technical services6
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 57226?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57238 | Goodwin | 315 | $66k | 8.7 mi |
| 57237 | Gary | 731 | $87k | 11.3 mi |
| 57218 | Brandt | 180 | $66k | 11.6 mi |
| 57223 | Castlewood | 1,429 | $92k | 14.0 mi |
| 57265 | Strandburg | 202 | $70k | 14.3 mi |
| 57234 | Estelline | 1,339 | $82k | 14.7 mi |
| 57268 | Toronto | 435 | $76k | 15.3 mi |
| 57259 | Revillo | 477 | $80k | 16.9 mi |
| 57245 | Kranzburg | 151 | $86k | 11.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.