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zipcodes.pro — STATE/SD/COUNTY/HYDE

Hyde County, SD ZIP codes

Hyde County, SD has 3 ZIP codes, in 3 towns: 57345, 57346 and 57540.

The county seat is Highmore.

ZIP codes
3
Towns
3
County seat
Highmore
County FIPS
46069
Population
1,191
Median household income
$73,472
Land area
861 sq mi

Hyde County ZIP codes by town

Highmore (county seat)
57345

Each ZIP code is listed under the county most of its land lies in and the town the Postal Service names it for; a ZIP code's own page shows exactly how it is split.

Map of Hyde County ZIP codes

573455734657540

The ZIP codes of Hyde County, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Hyde County in numbers

About 1,191 people live in Hyde County, in 503 households, the 64th most populous of South Dakota's 66 counties. The median household income is $73,472 a year, about the same as the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $181,600 (29% below the South Dakota median), and median gross rent is $836 a month. The median age is 53.7; 20.3% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 15 minutes.

Population1,191Hyde1,191
Households503Hyde503
Median age53.7Hyde53.7South Dakota38.0US 38.9
Median household income$73,472Hyde$73,472South Dakota$75,081US $80,734
Median home value$181,600Hyde$181,600South Dakota$257,400US $332,700
Median gross rent$836Hyde$836South Dakota$946US $1,413
Bachelor's degree or higher20.3%Hyde20.3%South Dakota31.9%US 35.7%
Mean commute15.3 minHyde15.3 minSouth Dakota17.8 minUS 26.4 min
Population density1 / sq miHyde1 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Survey estimates carry margins of error, wider for small places. Sources and methods.

Largest towns in Hyde County

Largest towns in Hyde County
TownZIP codesPopulation
Highmore 1 596
Holabird 1 223
Stephan 1 13

Population of the census place of that name where there is one, otherwise of the ZIP codes the Postal Service addresses by it. A town's ZIP codes can reach past the county line.

Neighbouring counties

Counties that share a ZIP code with Hyde County.

Not sure you are in Hyde County? What county am I in? answers from your location, near a county line included.

Every ZIP code in Hyde County, with figures

ZIP codes in Hyde County
ZIP City Type Population Median income Median home
57345 Highmore , SD Standard 941 $75,735 $171,900
57346 Stephan , SD Standard 13 — —
57540 Holabird , SD Standard 223 — $258,300

Cite this page

zipcodes.pro. “Hyde County ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/state/sd/county/hyde

Underlying data is public domain or openly licensed — sources, vintages and licences.