What city is ZIP code 52257?

ZIP code 52257 is in Luzerne, IA (Benton County).

What county is ZIP code 52257 in?

ZIP code 52257 is mostly in Benton County, Iowa.

How many people live in ZIP code 52257?

About 216 people live in the 52257 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 52257

Luzerne, IA, Benton County

Population

216

Land area

16.6sq mi

People per sq mi

City

Luzerne

ZIP 52257 and nearby ZIP codes

Full map

ZIP 52257 at a glance

ZIP 52257 (Luzerne) is 77% less dense than Iowa as a whole.

Economy and federal money

Businesses, pandemic loans and political donations

Details

PPP loans

$762K

42 loans

Campaign donations

$300

0% D, 100% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 52257, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: drought

Storm events since 1996

889

Countywide, mostly thunderstorm wind

Flood insurance policies

0.6% of homes, county

July high / Jan low

84° / 10°F

36.0 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 52257, CDC PLACES estimates

All 40 measures

Obesity

43.7%

U.S. 33.3% +10.4 pts

Diabetes

12.1%

U.S. 12.1% about the same

Smoking

17.7%

U.S. 12.8% +4.9 pts

Uninsured (18-64)

6.3%

U.S. 11.1% -4.8 pts

Frequently asked questions

What city is ZIP code 52257?: ZIP code 52257 is in Luzerne, IA (Benton County).
What county is ZIP code 52257 in?: ZIP code 52257 is mostly in Benton County, Iowa.
How many people live in ZIP code 52257?: About 216 people live in the 52257 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.