ZIP code 64440: De Kalb, MO
64440 is a ZIP code in De Kalb, Missouri, mainly in Buchanan County, part of the St. Joseph, MO-KS metro area. About 900 people live here.
- Population
- 900
- Median household income
- $94,306
- Typical home value
- $311,800+7.2% in 12 months
- Median rent
- $940gross, per month
- Median age
- 40.8
- Homeowners
- 82.5%of occupied homes
Shaded: ZIP code 64440's area. Click anywhere on the map to see which ZIP code it's in.
ZIP codes within 10 milesWithin 25 miles
ZIP code 64440 details
| City | De Kalb |
|---|---|
| State | Missouri |
| County | Buchanan County (also partly Platte County) |
| Metro area | St. Joseph, MO-KS |
| Time zone | Central Time (UTC−6), observes daylight saving time |
| Type | Standard (delivery area) |
| Land area | 36.2 sq mi, plus 0 sq mi of water |
| Population density | 25 people per sq mi |
| Bachelor's degree or higher | 9% of adults 25+ |
| Average commute | 28.6 minutes |
| Center coordinates | 39.58513, -94.91034 |
Median rent in 64440 by bedrooms
| Size | Median gross rent |
|---|---|
| 2 bedrooms | $938/mo |
| 3 bedrooms | $950/mo |
Gross rent includes utilities paid by the tenant. ACS 2020–2024; sizes with too few rentals to estimate are left out.
ZIP codes near 64440
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 64448 | Faucett, MO | 4.6 mi | 912 |
| 64484 | Rushville, MO | 5.9 mi | 940 |
| 64508 | Saint Joseph, MO | 6.9 mi | — |
| 64504 | Saint Joseph, MO | 7.3 mi | 10,068 |
| 64098 | Weston, MO | 8.2 mi | 3,311 |
| 64439 | Dearborn, MO | 9.4 mi | 1,537 |
| 64401 | Agency, MO | 10.9 mi | 1,757 |
| 64503 | Saint Joseph, MO | 11.9 mi | 11,954 |
Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology
Buying a home in 64440?
A typical home in ZIP code 64440 is worth about $311,800 (Zillow Home Value Index). The median household here earns $94,306 a year. See what buying here would cost per month, with Missouri average taxes and insurance filled in.
Monthly payment for a $311,800 homeWhat can a $94,306 income afford?Rental property numbers
About ZIP code 64440
What city is ZIP code 64440?
ZIP code 64440 is in De Kalb, MO, in Buchanan County.
What county is ZIP code 64440 in?
64440 is mainly in Buchanan County, Missouri, and partly in Platte County.
What is the population of ZIP code 64440?
About 900 people live in ZIP code 64440, according to the American Community Survey 2020–2024 5-year estimates.
What time zone is ZIP code 64440 in?
64440 is in Central Time (UTC−6). It observes daylight saving time.