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 — CITY/SD/HUMBOLDT

Humboldt ZIP code, South Dakota

The ZIP code for Humboldt, SD is 57035, and its area code is 605.

USPS city name
1 ZIP code
Population
732
Area code
605

Humboldt in numbers

About 732 people live in Humboldt, in 265 households. The median household income is $95,469 a year, 27% above the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $227,700 (12% below the South Dakota median), and median gross rent is $745 a month. The median age is 33.1; 33.8% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 28 minutes.

Population732Humboldt732
Households265Humboldt265
Median age33.1Humboldt33.1South Dakota38.0US 38.9
Median household income$95,469Humboldt$95,469South Dakota$75,081US $80,734
Median home value$227,700Humboldt$227,700South Dakota$257,400US $332,700
Median gross rent$745Humboldt$745South Dakota$946US $1,413
Bachelor's degree or higher33.8%Humboldt33.8%South Dakota31.9%US 35.7%
Mean commute27.6 minHumboldt27.6 minSouth Dakota17.8 minUS 26.4 min
Population density1,183 / sq miHumboldt1,183 / sq mi

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

ZIP codes addressed as Humboldt

ZIP codes with the USPS city name Humboldt
ZIP City Type Population Median income Median home
57035 Humboldt , SD Standard 1,591 $99,565 $326,500

Map of Humboldt ZIP codes

The ZIP codes of Humboldt, SD, 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.

Towns near Humboldt

The nearest larger towns are Hartford (3,478 people, 7.2 mi), Colton (736 people, 12 mi) and Crooks (1,268 people, 13 mi).

Towns near Humboldt
TownPopulationDistance
Hartford 3,478 7.2 mi
Tea 6,786 18.1 mi
Sioux Falls 201,469 18.6 mi
Dell Rapids 3,905 21.8 mi
Harrisburg 8,519 23.3 mi
Brandon 10,996 24.8 mi
Madison 6,094 25.0 mi

More nearby: every ZIP code in Minnehaha County · South Dakota ZIP codes

Cite this page

zipcodes.pro. “Humboldt, SD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/sd/humboldt

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