Residential delivery area · South Dakota
ZIP Code 57003: Baltic, SD
ZIP code 57003 uses the postal name Baltic, South Dakota and lies entirely in Minnehaha County (Census 2020 ZIP-county file). About 2,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $111,932 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Baltic; 99% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Baltic · its only residential ZIP
- County
- Minnehaha County
- Census places
- Baltic
- Metro area
- Sioux Falls, SD-MN
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Central
- Land area
- 51.0 sq mi · 45 people per sq mi
Where is ZIP code 57003?
57003 centers on 43.746°, -96.755° and covers 51.0 square miles of land plus 0.2 of water. It borders 6 ZIP codes: 57020, 57055, 57041, 57022, 57030, 57018.
The map draws ZIP code areas only. For the streets inside 57003, 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 57003 compare with the rest of Minnehaha County?
| Measure | 57003 | In Minnehaha County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 2,274 | 12th of 23 | 62nd of 375 |
| Median household income | $112k | 3rd of 18 | 4th of 107 |
| Median home value | $282k | 12th of 19 | 30th of 109 |
Its median household income is higher than in 87% of U.S. residential ZIP codes, and it is denser than 40% 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 57003?
The 2020 Census counted 2,109 people in 57003; the ACS, which samples households over 2020-2024, estimates 2,274. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 2,274±344 (90% margin)
- 2020 Census count
- 2,109
- Households
- 739
- Median age
- 33.2
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 57003?
Of the 2,274 people the ACS estimates in 57003, 34.6% are under 18 and 11.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (90.1%).
- Under 1834.6%
- 18 to 6453.7%
- 65 and older11.7%
- White, not Hispanic90.1%
- Other or two or more8.4%
- Hispanic or Latino0.7%
- Black, not Hispanic0.7%
- Asian, not Hispanic0.0%
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 57003 earn?
Median household income is $111,932 (ACS 2020-2024), the 3rd highest of the 18 ranked ZIP codes in Minnehaha County.
- Median household income
- $111,932
- Income per person
- $37,813
- Below the poverty line
- 1.1%
- Unemployed (of the labor force)
- 1.9%
- Adults 25+ with a bachelor's degree
- 23.8%
- Adjusted gross income per tax return, 2022
- $106,4481,110 returns; wages 60% 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 57003?
FHFA's house price index for 57003, built from repeat sales and appraisals of the same homes, rose 96% from 2015 to 2025 and rose 55% from 2020 to 2025, and moved +2.9% in 2025.
- Median home value (owners' estimate)
- $281,500
- Median gross rent
- $1,591
- Homes owned by their occupants
- 82.3%
- Housing units
- 783
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 57003?
50 business establishments had a location in this ZIP code in 2023, 11 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction13
- Retail trade6
- Health care and social assistance5
- Wholesale trade4
- Other services (except public administration)4
- Professional, scientific, and technical services3
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 57003?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57020 | Crooks | 1,622 | $102k | 5.5 mi |
| 57055 | Renner | 1,404 | $120k | 5.5 mi |
| 57041 | Lyons | 133 | $158k | 6.6 mi |
| 57022 | Dell Rapids | 5,339 | $101k | 7.7 mi |
| 57030 | Garretson | 2,510 | $79k | 10.6 mi |
| 57018 | Colton | 1,495 | $98k | 11.8 mi |
| 57104 | Sioux Falls | 26,963 | $58k | 10.2 mi (near) |
| 57107 | Sioux Falls | 12,605 | $74k | 10.6 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.