What city is ZIP code 50620?

ZIP code 50620 is in Colwell, IA (Floyd County).

What county is ZIP code 50620 in?

ZIP code 50620 is mostly in Floyd County, Iowa.

How many people live in ZIP code 50620?

About 36 people live in the 50620 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 50620

Colwell, IA, Floyd County

Population

Land area

0.1sq mi

People per sq mi

248

City

Colwell

ZIP 50620 and nearby ZIP codes

Full map

ZIP 50620 at a glance

ZIP 50620 (Colwell) is about 4.3 times as dense as Iowa as a whole.

Economy and federal money

Businesses, pandemic loans and political donations

Details

PPP loans

$33K

2 loans

PPP loans in this ZIP

Environment and hazard risk

ZIP 50620, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Relatively Low

Top: drought

Storm events since 1996

553

Countywide, mostly hail

Flood insurance policies

1.1% of homes, county

July high / Jan low

82° / 9°F

37.7 inches of rain a year

Hazards, floods and storm history Check a flood zone

Frequently asked questions

What city is ZIP code 50620?: ZIP code 50620 is in Colwell, IA (Floyd County).
What county is ZIP code 50620 in?: ZIP code 50620 is mostly in Floyd County, Iowa.
How many people live in ZIP code 50620?: About 36 people live in the 50620 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.