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zipcodes.pro — CITY/MO/DE-KALB

De Kalb ZIP code, Missouri

The ZIP code for De Kalb, MO is 64440, and its area code is 816.

USPS city name
1 ZIP code
Population
518
Area code
816

De Kalb in numbers

About 518 people live in De Kalb, in 161 households. The median household income is $94,028 a year, 33% above the Missouri median of $70,702 (US: $80,734). The median owner-occupied home is valued at $137,500 (40% below the Missouri median), and median gross rent is $940 a month. The median age is 28.1; 7.1% of adults 25 and over hold a bachelor's degree or higher (32.4% across Missouri); the average commute takes 28 minutes.

Population518De Kalb518
Households161De Kalb161
Median age28.1De Kalb28.1Missouri39.0US 38.9
Median household income$94,028De Kalb$94,028Missouri$70,702US $80,734
Median home value$137,500De Kalb$137,500Missouri$230,300US $332,700
Median gross rent$940De Kalb$940Missouri$1,033US $1,413
Bachelor's degree or higher7.1%De Kalb7.1%Missouri32.4%US 35.7%
Mean commute28.1 minDe Kalb28.1 minMissouri23.5 minUS 26.4 min
Population density2,031 / sq miDe Kalb2,031 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place De Kalb town. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as De Kalb

ZIP codes with the USPS city name De Kalb
ZIP City Type Population Median income Median home
64440 De Kalb , MO Standard 900 $94,306 $187,800

Map of De Kalb ZIP codes

64440

The ZIP codes of De Kalb, MO, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near De Kalb

The nearest larger towns are Dearborn (557 people, 9.2 mi), Agency (871 people, 10 mi) and Elwood, KS (1,049 people, 11 mi).

Towns near De Kalb
TownPopulationDistance
Atchison, KS 10,785 11.5 mi
St. Joseph 71,236 13.0 mi
Platte City 4,824 18.1 mi
Leavenworth, KS 37,195 18.3 mi
Country Club 2,935 18.6 mi
Smithville 10,705 23.0 mi
Lansing, KS 11,246 23.9 mi
Savannah 5,053 24.7 mi
Parkville 8,366 28.4 mi

More nearby: every ZIP code in Buchanan County · Missouri ZIP codes

Cite this page

zipcodes.pro. “De Kalb, MO ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/mo/de-kalb

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