Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — STATE/SD/COUNTY/HANSON

Hanson County, SD ZIP codes

Hanson County, SD has 3 ZIP codes, in 3 towns: 57332, 57311 and 57340. 3 more cross into it from neighbouring counties: 57301, 57334 and 57374.

The county seat is Alexandria.

ZIP codes
3
Partly in it
3 more
Towns
3
County seat
Alexandria
County FIPS
46061
Population
3,472
Median household income
$81,071
Land area
435 sq mi
Metro area
Mitchell

Hanson County ZIP codes by town

Alexandria (county seat)
57311

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 Hanson County

These ZIP codes lie mostly in a neighbouring county but each cover a twentieth or more of Hanson County.

Map of Hanson County ZIP codes

573115733257340

The ZIP codes of Hanson 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.

Hanson County in numbers

About 3,472 people live in Hanson County, in 1,132 households, the 44th most populous of South Dakota's 66 counties. The median household income is $81,071 a year, 8% above the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $191,200 (26% below the South Dakota median), and median gross rent is $782 a month. The median age is 38.3; 22.5% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 22 minutes.

Population3,472Hanson3,472
Households1,132Hanson1,132
Median age38.3Hanson38.3South Dakota38.0US 38.9
Median household income$81,071Hanson$81,071South Dakota$75,081US $80,734
Median home value$191,200Hanson$191,200South Dakota$257,400US $332,700
Median gross rent$782Hanson$782South Dakota$946US $1,413
Bachelor's degree or higher22.5%Hanson22.5%South Dakota31.9%US 35.7%
Mean commute21.7 minHanson21.7 minSouth Dakota17.8 minUS 26.4 min
Population density8 / sq miHanson8 / 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 Hanson County

Largest towns in Hanson County
TownZIP codesPopulation
Alexandria 1 692
Emery 1 539
Fulton 1 84

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 Hanson County.

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

Every ZIP code in Hanson County, with figures

ZIP codes in Hanson County
ZIP City Type Population Median income Median home
57311 Alexandria , SD Standard 1,389 $103,839 $186,800
57332 Emery , SD Standard 903 $69,583 $160,700
57340 Fulton , SD Standard 244 $58,500 $181,300

Cite this page

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

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