Home > MO > Atchison County > Tarkio > Zip 64491

Zip Code 64491 — Tarkio, MO

64491 is a ZIP Code associated with Tarkio, MO, located within Atchison. The postal region supports an estimated population of 1,638 residents across Data Pending housing units, with a population density of 5.5 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (40.448680, -95.344990)

Data MetricLocal Statistic
Postal / Zip Code64491
Primary CityTarkio
State / ProvinceMO
CountyAtchison
Total Population1,638
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density5.5 people/sq mi
TimezoneAmerica/Chicago

How 64491 Compares

MetricZIP 64491Atchison CountyMO State Average
Population1,6385,1296,191,989
Median IncomeData PendingN/AN/A
Population Density5.5 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 64498Westboro6.6 mi221N/A
Zip 64446Fairfax9.3 mi1,066N/A
Zip 64482Rock Port10.4 mi1,980N/A
Zip 64445Elmo12.4 mi301N/A
Zip 64428Burlington Junction13.5 mi609N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →