What city is ZIP code 50588?

ZIP code 50588 is in Storm Lake, IA (Buena Vista County).

What county is ZIP code 50588 in?

ZIP code 50588 is mostly in Buena Vista County, Iowa.

How many people live in ZIP code 50588?

About 13,431 people live in the 50588 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 50588

Storm Lake, IA, Buena Vista County

Population

13,431

Land area

138.8sq mi

People per sq mi

City

Storm Lake

ZIP 50588 and nearby ZIP codes

Full map

ZIP 50588 at a glance

ZIP 50588 (Storm Lake) is 68% denser than Iowa as a whole.
The median household income is $70,906, 6% below the Iowa median of $75,059.
A typical owner-occupied home is valued at $184,900 (11% below Iowa) and median rent is $897 a month.

Local data for ZIP 50588

Counts from official public data

Housing and community stats

ZIP 50588, American Community Survey 2020-2024

Full profile

Median household income

$70,906

Poverty rate

7.7%

Median home value

$184,900

Prices +2.0% in a year

Median rent

$897/mo

Homeownership

69.3%

Bachelor's or higher

22.3%

Median age

32.2

Average commute

10.9 min

Income, education and commute

Economy and federal money

Businesses, pandemic loans and political donations

Details

Business establishments

339

ZIP Business Patterns 2023

Employees

7,940

$357M annual payroll

PPP loans

$35.8M

778 loans

Campaign donations

$50.2K

24% D, 42% R, 2026 cycle

PPP loans in this ZIP

Environment and hazard risk

ZIP 50588, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: hail

Storm events since 1996

646

Countywide, mostly hail

Flood insurance policies

0.1% of homes, county

July high / Jan low

82° / 9°F

33.8 inches of rain a year

Hazards, floods and storm history Check a flood zone

Health statistics

Share of adults in ZIP 50588, CDC PLACES estimates

All 40 measures

Obesity

38.6%

U.S. 33.3% +5.3 pts

Diabetes

13.2%

U.S. 12.1% +1.1 pts

Smoking

16.3%

U.S. 12.8% +3.5 pts

Uninsured (18-64)

16.3%

U.S. 11.1% +5.2 pts

Frequently asked questions

What city is ZIP code 50588?: ZIP code 50588 is in Storm Lake, IA (Buena Vista County).
What county is ZIP code 50588 in?: ZIP code 50588 is mostly in Buena Vista County, Iowa.
How many people live in ZIP code 50588?: About 13,431 people live in the 50588 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.