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/LENNOX

Lennox ZIP code, South Dakota

The ZIP code for Lennox, SD is 57039, and its area code is 605.

USPS city name
1 ZIP code
Population
2,468
Area code
605

Lennox in numbers

About 2,468 people live in Lennox, in 983 households, the 36th-largest of South Dakota's 439 census places. The median household income is $81,761 a year, 9% above the South Dakota median of $75,081 (US: $80,734). The median owner-occupied home is valued at $235,900 (8% below the South Dakota median), and median gross rent is $745 a month. The median age is 38.0; 24.1% of adults 25 and over hold a bachelor's degree or higher (31.9% across South Dakota); the average commute takes 23 minutes.

Population2,468Lennox2,468
Households983Lennox983
Median age38.0Lennox38.0South Dakota38.0US 38.9
Median household income$81,761Lennox$81,761South Dakota$75,081US $80,734
Median home value$235,900Lennox$235,900South Dakota$257,400US $332,700
Median gross rent$745Lennox$745South Dakota$946US $1,413
Bachelor's degree or higher24.1%Lennox24.1%South Dakota31.9%US 35.7%
Mean commute23.2 minLennox23.2 minSouth Dakota17.8 minUS 26.4 min
Population density1,354 / sq miLennox1,354 / sq mi

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

ZIP codes addressed as Lennox

ZIP codes with the USPS city name Lennox
ZIP City Type Population Median income Median home
57039 Lennox , SD Standard 3,622 $83,787 $290,400

Map of Lennox ZIP codes

57039

The ZIP codes of Lennox, 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 Lennox

The nearest larger towns are Tea (6,786 people, 8.1 mi), Harrisburg (8,519 people, 11 mi) and Sioux Falls (201,469 people, 16 mi).

Towns near Lennox
TownPopulationDistance
Tea 6,786 8.1 mi
Harrisburg 8,519 10.8 mi
Sioux Falls 201,469 15.5 mi
Canton 3,033 15.8 mi
Hartford 3,478 18.9 mi
Brandon 10,996 22.9 mi

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

Cite this page

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

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