Home > MO > Buchanan County > De Kalb > Zip 64440

Zip Code 64440 — De Kalb, MO

64440 is a ZIP Code associated with De Kalb, MO, located within Buchanan. The postal region supports an estimated population of 900 residents across Data Pending housing units, with a population density of 9.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (39.578490, -94.918410)

Data MetricLocal Statistic
Postal / Zip Code64440
Primary CityDe Kalb
State / ProvinceMO
CountyBuchanan
Total Population900
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density9.6 people/sq mi
TimezoneAmerica/Chicago

How 64440 Compares

MetricZIP 64440Buchanan CountyMO State Average
Population90073,9216,191,989
Median IncomeData PendingN/AN/A
Population Density9.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 64448Faucett5.6 mi912N/A
Zip 64484Rushville5.6 mi940N/A
Zip 64504Saint Joseph7.4 mi10,068N/A
Zip 64098Weston8.5 mi3,311N/A
Zip 64439Dearborn9.7 mi1,537N/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 →