Residential delivery area · South Dakota
ZIP Code 57345: Highmore, SD
ZIP code 57345 uses the postal name Highmore, South Dakota and lies entirely in Hyde County (Census 2020 ZIP-county file). About 940 people live there (Census Bureau, ACS 2020-2024). Median household income is $75,735 (Census Bureau, ACS 2020-2024). By Census place, under 1% of its land lies in Highmore; more than 99% is outside any Census place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Highmore · its only residential ZIP
- County
- Hyde County
- Census places
- Highmore
- House district
- SD at large 119th Congress
- State
- South Dakota
- Time zone
- Central
- Land area
- 646.3 sq mi · 1 person per sq mi
Where is ZIP code 57345?
57345 centers on 44.578°, -99.444° and covers 646.3 square miles of land plus 2.9 of water. It borders 11 ZIP codes: 57540, 57371, 57536, 57362, 57467, 57346, 57473, 57564, 57339, 57438 and more.
The map draws ZIP code areas only. For the streets inside 57345, 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 57345 compare with the rest of Hyde County?
| Measure | 57345 | In Hyde County | In SD |
|---|---|---|---|
| People (ACS 2020-2024) | 941 | 2nd of 5 | 147th of 375 |
| Median household income | $76k | not ranked | not ranked |
| Median home value | $172k | not ranked | not ranked |
57345's income and home value are not ranked: it has fewer than 1,000 residents (941). 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 57345?
The 2020 Census counted 1,083 people in 57345; the ACS, which samples households over 2020-2024, estimates 941. Between the 2010 and 2020 censuses its population fell 12.5% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 941±129 (90% margin)
- 2020 Census count
- 1,083−12.5% since 2010 (1,238)
- Households
- 410
- Median age
- 55.7
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 57345?
Of the 941 people the ACS estimates in 57345, 20.0% are under 18 and 31.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (83.7%), then Other or two or more (13.9%).
- Under 1820.0%
- 18 to 6448.4%
- 65 and older31.7%
- White, not Hispanic83.7%
- Other or two or more13.9%
- Hispanic or Latino2.0%
- Black, not Hispanic0.3%
- 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 57345 earn?
Median household income is $75,735 (ACS 2020-2024). It is not measurably different from 2015-2019 ($76,175 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $75,735±$14,171
- Income per person
- $37,262
- Below the poverty line
- 5.6%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 23.1%
- Adjusted gross income per tax return, 2022
- $78,345530 returns; wages 49% 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 57345?
- Median home value (owners' estimate)
- $171,900
- Median gross rent
- $940
- Homes owned by their occupants
- 89.0%
- Housing units
- 506
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 57345?
36 business establishments had a location in this ZIP code in 2023, 10 fewer than in 2018; the most are in wholesale trade (ZIP Code Business Patterns).
- Wholesale trade7
- Construction5
- Retail trade5
- Other services (except public administration)4
- Utilities3
- Finance and insurance3
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 57345?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 57540 | Holabird | 223 | – | 11.4 mi |
| 57371 | Ree Heights | 238 | $74k | 14.7 mi |
| 57536 | Harrold | 277 | $53k | 19.7 mi |
| 57362 | Miller | 1,967 | $67k | 19.9 mi |
| 57467 | Orient | 410 | $59k | 22.1 mi |
| 57346 | Stephan | 13 | – | 22.8 mi |
| 57473 | Seneca | 246 | $24k | 28.6 mi |
| 57564 | Onida | 962 | $74k | 30.2 mi |
| 57339 | Fort Thompson | 1,390 | $46k | 31.2 mi |
| 57438 | Faulkton | 973 | $71k | 36.5 mi |
| 57325 | Chamberlain | 3,335 | $80k | 51.8 mi |
| 57522 | Blunt | 521 | $72k | 26.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.