What city is ZIP code 57274?

ZIP code 57274 is in Webster, SD (Day County).

What county is ZIP code 57274 in?

ZIP code 57274 is mostly in Day County, South Dakota.

How many people live in ZIP code 57274?

About 2,621 people live in the 57274 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 57274

Webster, SD, Day County

Population

2,621

Land area

372.6sq mi

People per sq mi

City

Webster

ZIP 57274 and nearby ZIP codes

Full map

ZIP 57274 at a glance

ZIP 57274 (Webster) is 41% less dense than South Dakota as a whole.
Households here earn a median of $68,083 a year, 9% less than the South Dakota figure of $75,081.
A typical owner-occupied home is valued at $173,200 (33% below South Dakota) and median rent is $655 a month.

Local data for ZIP 57274

Counts from official public data

Housing and community stats

ZIP 57274, American Community Survey 2020-2024

Full profile

Median household income

$68,083

Poverty rate

11.6%

Median home value

$173,200

Median rent

$655/mo

Homeownership

74.5%

Bachelor's or higher

23.9%

Median age

41.5

Average commute

21.4 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

148

ZIP Business Patterns 2023

Employees

986

$43.9M annual payroll

PPP loans

$10.5M

404 loans

Campaign donations

$26.8K

5% D, 5% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 57274, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: winter weather

Storm events since 1996

676

Countywide, mostly hail

Flood insurance policies

0.3% of homes, county

July high / Jan low

81° / 2°F

26.1 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 57274, CDC PLACES estimates

All 40 measures

Obesity

34.5%

U.S. 33.3% +1.2 pts

Diabetes

14.1%

U.S. 12.1% +2.0 pts

Smoking

16.0%

U.S. 12.8% +3.2 pts

Uninsured (18-64)

8.2%

U.S. 11.1% -2.9 pts

Frequently asked questions

What city is ZIP code 57274?: ZIP code 57274 is in Webster, SD (Day County).
What county is ZIP code 57274 in?: ZIP code 57274 is mostly in Day County, South Dakota.
How many people live in ZIP code 57274?: About 2,621 people live in the 57274 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.