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zipcodes.pro — STATE/SD/COUNTY/GREGORY

Gregory County, SD ZIP codes

Gregory County, SD has 6 ZIP codes, in 6 towns: 57533, 57523, 57317, 57335, 57538 and 57571. 1 more crosses into it from a neighbouring county: 57529.

The county seat is Burke.

ZIP codes
6
Partly in it
1 more
Towns
6
County seat
Burke
County FIPS
46053
Population
4,016
Median household income
$62,917
Land area
1,015 sq mi

Gregory County ZIP codes by town

Burke (county seat)
57523

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.

ZIP codes partly in Gregory County

This ZIP code lies mostly in a neighbouring county but covers a twentieth or more of Gregory County.

Map of Gregory County ZIP codes

573175733557523575335753857571

The ZIP codes of Gregory 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.

Gregory County in numbers

About 4,016 people live in Gregory County, in 1,609 households, the 40th most populous of South Dakota's 66 counties. The median household income is $62,917 a year, 16% below the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $139,900 (46% below the South Dakota median), and median gross rent is $614 a month. The median age is 44.7; 22.2% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 16 minutes.

Population4,016Gregory4,016
Households1,609Gregory1,609
Median age44.7Gregory44.7South Dakota38.0US 38.9
Median household income$62,917Gregory$62,917South Dakota$75,081US $80,734
Median home value$139,900Gregory$139,900South Dakota$257,400US $332,700
Median gross rent$614Gregory$614South Dakota$946US $1,413
Bachelor's degree or higher22.2%Gregory22.2%South Dakota31.9%US 35.7%
Mean commute15.9 minGregory15.9 minSouth Dakota17.8 minUS 26.4 min
Population density4 / sq miGregory4 / 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 Gregory County

Largest towns in Gregory County
TownZIP codesPopulation
Gregory 1 1,379
Burke 1 708
Bonesteel 1 286
Fairfax 1 119
Herrick 1 73
St. Charles 1 6

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 Gregory County.

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

Every ZIP code in Gregory County, with figures

ZIP codes in Gregory County
ZIP City Type Population Median income Median home
57317 Bonesteel , SD Standard 573 $50,833 $95,000
57335 Fairfax , SD Standard 303 $92,813 $125,600
57523 Burke , SD Standard 1,041 $68,750 $214,400
57533 Gregory , SD Standard 1,674 $58,500 $122,400
57538 Herrick , SD Standard 236 $46,875 $61,400
57571 Saint Charles , SD Standard 22 — —

Cite this page

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

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