Residential delivery area · South Dakota
ZIP Code 57433: Columbia, SD
ZIP code 57433 uses the postal name Columbia, South Dakota and lies entirely in Brown County (Census 2020 ZIP-county file). About 320 people live there (Census Bureau, ACS 2020-2024). Median household income is $50,417 (Census Bureau, ACS 2020-2024). By Census place, 1% of its land lies in Columbia; 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Columbia · its only residential ZIP
- County
- Brown County
- Census places
- Columbia
- Micro area
- Aberdeen, SD
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Central
- Land area
- 121.4 sq mi · 3 people per sq mi
Where is ZIP code 57433?
57433 centers on 45.638°, -98.321° and covers 121.4 square miles of land plus 4.1 of water. It borders 7 ZIP codes: 57449, 57427, 57432, 57401, 57445, 57441, 57481.
The map draws ZIP code areas only. For the streets inside 57433, 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 57433 compare with the rest of Brown County?
| Measure | 57433 | In Brown County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 318 | 12th of 20 | 258th of 375 |
| Median household income | $50k | not ranked | not ranked |
| Median home value | – | not ranked | not ranked |
57433's income and home value are not ranked: it has fewer than 1,000 residents (318). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
It is denser than 7% of 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 57433?
The 2020 Census counted 429 people in 57433; the ACS, which samples households over 2020-2024, estimates 318. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 318±119 (90% margin)
- 2020 Census count
- 429
- Households
- 177
- Median age
- 46.9
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 57433?
Of the 318 people the ACS estimates in 57433, 23.6% are under 18 and 31.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (100.0%).
- Under 1823.6%
- 18 to 6444.7%
- 65 and older31.8%
- White, not Hispanic100.0%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
- Other or two or more0.0%
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 57433 earn?
Median household income is $50,417 (ACS 2020-2024).
- Median household income
- $50,417±$16,405
- Income per person
- $34,722
- Below the poverty line
- 2.2%
- Unemployed (of the labor force)
- 22.6%
- Adults 25+ with a bachelor's degree
- 21.7%
- Adjusted gross income per tax return, 2022
- $115,059170 returns; wages 33% 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 57433?
- Median home value (owners' estimate)
- –
- Median gross rent
- –
- Homes owned by their occupants
- 98.9%
- Housing units
- 194
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 57433?
9 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).
- Construction4
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 57433?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57449 | Houghton | 357 | $150k | 9.3 mi |
| 57427 | Bath | 384 | $84k | 10.9 mi |
| 57432 | Claremont | 507 | $113k | 14.3 mi |
| 57401 | Aberdeen | 31,939 | $69k | 14.9 mi |
| 57445 | Groton | 2,072 | $85k | 15.5 mi |
| 57441 | Frederick | 670 | $108k | 16.0 mi |
| 57481 | Westport | 271 | $68k | 17.6 mi |
| 57426 | Barnard | 42 | $79k | 10.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.