What city is ZIP code 64420?

ZIP code 64420 is in Allendale, MO (Worth County).

What county is ZIP code 64420 in?

ZIP code 64420 is mostly in Worth County, Missouri.

How many people live in ZIP code 64420?

About 31 people live in the 64420 ZIP Code Tabulation Area, based on American Community Survey 5-year estimates.

Checked Oct 26, 2026

ZIP Code 64420

Allendale, MO, Worth County

Population

Land area

0.4sq mi

People per sq mi

City

Allendale

ZIP 64420 and nearby ZIP codes

Full map

Local data for ZIP 64420

Counts from official public data

Post Offices1

Economy and federal money

Businesses, pandemic loans and political donations

Details

PPP loans

$104K

4 loans

PPP loans in this ZIP

Environment and hazard risk

ZIP 64420, from FEMA, NOAA and EPA

Full report

Natural hazard risk

Very Low

Top: heat wave

Storm events since 1996

204

Countywide, mostly hail

July high / Jan low

85° / 13°F

Hazards, floods and storm history Check a flood zone

Frequently asked questions

What city is ZIP code 64420?: ZIP code 64420 is in Allendale, MO (Worth County).
What county is ZIP code 64420 in?: ZIP code 64420 is mostly in Worth County, Missouri.
How many people live in ZIP code 64420?: About 31 people live in the 64420 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.