Residential delivery area · South Dakota
ZIP Code 57470: Rockham, SD
ZIP code 57470 uses the postal name Rockham, South Dakota and lies mostly in Hand County (60% of its land) with the rest in Faulk County (Census 2020 ZIP-county file). About 240 people live there (Census Bureau, ACS 2020-2024). Median household income is $108,281 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Rockham; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- Town
- Rockham · its only residential ZIP
- County
- Hand County (60%); Faulk County (40%)
- Census places
- Rockham
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Central
- Land area
- 149.7 sq mi · 2 people per sq mi
Where is ZIP code 57470?
57470 centers on 44.884°, -98.894° and covers 149.7 square miles of land plus 1.3 of water. It borders 9 ZIP codes: 57467, 57469, 57438, 57476, 57435, 57424, 57465, 57373, 57362.
The map draws ZIP code areas only. For the streets inside 57470, 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 57470 compare with the rest of Hand County?
| Measure | 57470 | In Hand County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 242 | 7th of 8 | 284th of 375 |
| Median household income | $108k | not ranked | not ranked |
| Median home value | $201k | not ranked | not ranked |
57470's income and home value are not ranked: it has fewer than 1,000 residents (242). 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 5% 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 57470?
The 2020 Census counted 153 people in 57470; the ACS, which samples households over 2020-2024, estimates 242. Between the 2010 and 2020 censuses its population grew 7.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 242±147 (90% margin)
- 2020 Census count
- 153+7.0% since 2010 (143)
- Households
- 55
- Median age
- 13.6
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 57470?
Of the 242 people the ACS estimates in 57470, 52.1% are under 18 and 7.9% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (98.8%).
- Under 1852.1%
- 18 to 6440.1%
- 65 and older7.9%
- White, not Hispanic98.8%
- Other or two or more1.2%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- 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 57470 earn?
Median household income is $108,281 (ACS 2020-2024). It is not measurably different from 2015-2019 ($89,341 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $108,281±$82,870
- Income per person
- $22,864
- Below the poverty line
- 59.1%
- Unemployed (of the labor force)
- 1.1%
- Adults 25+ with a bachelor's degree
- 22.4%
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 57470?
- Median home value (owners' estimate)
- $201,400
- Median gross rent
- –
- Homes owned by their occupants
- 100.0%
- Housing units
- 79
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
Which ZIP codes are next to 57470?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57467 | Orient | 410 | $59k | 14.4 mi |
| 57469 | Redfield | 2,866 | $66k | 15.9 mi |
| 57438 | Faulkton | 973 | $71k | 17.8 mi |
| 57476 | Tulare | 349 | $77k | 18.4 mi |
| 57435 | Cresbard | 300 | $98k | 18.7 mi |
| 57424 | Ashton | 437 | $75k | 20.5 mi |
| 57465 | Northville | 438 | $120k | 21.5 mi |
| 57373 | Saint Lawrence | 339 | $47k | 24.4 mi |
| 57362 | Miller | 1,967 | $67k | 29.9 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.