What city is ZIP code 57449?

ZIP code 57449 is in Hecla, SD (Brown County).

What county is ZIP code 57449 in?

ZIP code 57449 is mostly in Brown County, South Dakota.

How many people live in ZIP code 57449?

About 357 people live in the 57449 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 57449

Hecla, SD, Brown County

Population

357

Land area

83.2sq mi

People per sq mi

City

Hecla

ZIP 57449 and nearby ZIP codes

Full map

ZIP 57449 at a glance

ZIP 57449 (Hecla) is 64% less dense than South Dakota as a whole.

Economy and federal money

Businesses, pandemic loans and political donations

Details

PPP loans

$978K

64 loans

Campaign donations

$9,765

94% D, 0% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 57449, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: winter weather

Storm events since 1996

1,202

Countywide, mostly thunderstorm wind

Flood insurance policies

114

0.7% of homes, county

July high / Jan low

83° / 0°F

22.5 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 57449, CDC PLACES estimates

All 40 measures

Obesity

34.4%

U.S. 33.3% +1.1 pts

Diabetes

13.0%

U.S. 12.1% +0.9 pts

Smoking

13.4%

U.S. 12.8% +0.6 pts

Uninsured (18-64)

6.8%

U.S. 11.1% -4.3 pts

Frequently asked questions

What city is ZIP code 57449?: ZIP code 57449 is in Hecla, SD (Brown County).
What county is ZIP code 57449 in?: ZIP code 57449 is mostly in Brown County, South Dakota.
How many people live in ZIP code 57449?: About 357 people live in the 57449 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.