Zip Code 64491 — Tarkio, MO

ZIP Code 64491 is associated with Tarkio, MO, in Atchison County. The listed population estimate is 1,638; estimated density is 5.5 people per square mile. Among records with population estimates, it ranks #2 of 5 in Atchison County and #489 of 1,021 in MO.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (40.448680, -95.344990)

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

How 64491 Compares

MetricZIP 64491Atchison County recordsMO records
Population estimate1,6385,129 (sum)6,191,989 (sum)
Population Density5.5 /sq mi----
County population rank#2 of 5----
State population rank#489 of 1,021----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MO

ZIP CodeCityDistancePopulation estimate
ZIP 64498Westboro6.6 mi221
ZIP 64446Fairfax9.3 mi1,066
ZIP 64482Rock Port10.4 mi1,980
ZIP 64445Elmo12.4 mi301
ZIP 64428Burlington Junction13.5 mi609

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 →