What city is ZIP code 57642?

ZIP code 57642 is in McLaughlin, SD (Corson County).

What county is ZIP code 57642 in?

ZIP code 57642 is mostly in Corson County, South Dakota.

How many people live in ZIP code 57642?

About 1,969 people live in the 57642 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 57642

McLaughlin, SD, Corson County

Population

1,969

Land area

693.3sq mi

People per sq mi

City

McLaughlin

ZIP 57642 and nearby ZIP codes

Full map

ZIP 57642 at a glance

ZIP 57642 (McLaughlin) is 76% less dense than South Dakota as a whole.
The median household income is $58,750, 22% below the South Dakota median of $75,081.
A typical owner-occupied home is valued at $70,000 (73% below South Dakota) and median rent is $586 a month.

Local data for ZIP 57642

Counts from official public data

Housing and community stats

ZIP 57642, American Community Survey 2020-2024

Full profile

Median household income

$58,750

Poverty rate

43.5%

Median home value

$70,000

Median rent

$586/mo

Homeownership

53.3%

Bachelor's or higher

19.5%

Median age

28.1

Average commute

20.0 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

ZIP Business Patterns 2023

Employees

133

$4.8M annual payroll

PPP loans

$2M

86 loans

Campaign donations

$272

100% D, 0% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 57642, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: cold wave

Storm events since 1996

875

Countywide, mostly hail

Flood insurance policies

0.0% of homes, county

July high / Jan low

85° / 4°F

20.1 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 57642, CDC PLACES estimates

All 40 measures

Obesity

45.6%

U.S. 33.3% +12.3 pts

Diabetes

20.7%

U.S. 12.1% +8.6 pts

Smoking

32.6%

U.S. 12.8% +19.8 pts

Uninsured (18-64)

14.6%

U.S. 11.1% +3.5 pts

Frequently asked questions

What city is ZIP code 57642?: ZIP code 57642 is in McLaughlin, SD (Corson County).
What county is ZIP code 57642 in?: ZIP code 57642 is mostly in Corson County, South Dakota.
How many people live in ZIP code 57642?: About 1,969 people live in the 57642 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Source: U.S. Census Bureau (ZIP Code Tabulation Areas, American Community Survey) · Data as of 12/31/2023. ZIP Code Tabulation Areas closely match, but are not identical to, USPS ZIP code delivery areas.