64440 ZIP Code — De Kalb, MO

Buchanan County, Missouri

ZIP code 64440 is located in De Kalb, Missouri, within Buchanan County. It covers approximately 36.24 square miles and serves a population of 904 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 816.

About ZIP code 64440

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $178,300. Owner-occupancy is high at 81%, well above the national average.

Median household income is $77,969. 33% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with manufacturing as the leading industry. The average commute of 30 minutes is near the national average.

College attainment at 17% is below the national average, consistent with a trades and production-oriented local economy.

Health indicators show elevated rates of smoking (26%) compared to national benchmarks.

Overall, ZIP code 64440 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

904

population

36.24

sq mi land

Standard

ZIP type

Central (CT)

timezone

64440 ZIP code map

Cities in ZIP code 64440

Below are the cities the US Postal Service accepts for ZIP code 64440. Using any city not on this list may result in mail delivery delays.

City	Status
De Kalb	Preferred

Nearby ZIP codes

64484 Rushville (5.3 mi) 64504 Saint Joseph (7.5 mi) 64448 Faucett (8 mi) 64098 Weston (8.6 mi) 64439 Dearborn (9.9 mi) 66002 Atchison (10.1 mi) 64503 Saint Joseph (12.9 mi) 64507 Saint Joseph (13.2 mi) 64401 Agency (13.7 mi) 64501 Saint Joseph (13.7 mi) 64018 Camden Point (14.2 mi) 66090 Wathena (14.7 mi)

Demographics updated 05/2026

Population
Total population	904
Population density	25 / sq mi
State FIPS	29
County FIPS	021

Geography
Land area	36.24 sq mi
Water area	0.04 sq mi
Latitude	39.5751
Longitude	-94.9373
Timezone	Central (CT)
Area code	816

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.9%	48.1%	43.8%
$50k – $100k	26.3%	32.1%	31.5%
$100k – $200k	29.7%	16.5%	19.5%
Over $200k	4.1%	3.3%	5.2%

Demographics & statistics

904

Population

People per sq mi

36.0

Median age

$77,969

Median household income

$31,107

Per capita income

$178,300

Median home value

$767

Median monthly rent

81.2%

Home ownership

11.8%

Poverty rate

0.0%

Unemployment

304

Housing units

17.4%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	278	30.8%
18 and over	626	69.2%
65 and over	153	16.9%
Median age	36.0 years

Race & ethnicity

White 99.2%

Two or more races 0.8%

Group	Count	%
White	897	99.2%
Two or more races	7	0.8%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	39.9%	48.1%	43.8%
$50k – $100k	26.3%	32.1%	31.5%
$100k – $200k	29.7%	16.5%	19.5%
Over $200k	4.1%	3.3%	5.2%

Under $10k 7.3%

$10k–$15k 6.4%

$15k–$25k 2.9%

$25k–$35k 7.3%

$35k–$50k 13.7%

$50k–$75k 8.9%

$75k–$100k 16.9%

$100k–$150k 25.2%

$150k–$200k 6.7%

$200k+ 4.5%

Range	% of households
Under $10k	7.3%
$10k–$15k	6.4%
$15k–$25k	2.9%
$25k–$35k	7.3%
$35k–$50k	13.7%
$50k–$75k	8.9%
$75k–$100k	16.9%
$100k–$150k	25.2%
$150k–$200k	6.7%
$200k+	4.5%
Median income	$77,969

Housing

Home values

Under $50k 3.1%

$50k–$100k 11.0%

$100k–$150k 14.6%

$150k–$200k 26.4%

$200k–$300k 29.1%

$300k–$500k 9.1%

$500k–$1M 2.8%

$1M+ 3.9%

Housing overview

Metric	Value
Median home value	$178,300
Median rent / month	$767
Owner occupied	81.2%
Renter occupied	18.8%
Vacant	13.8%
Single-family detached	82.1%
Large apartment buildings	0.0%
Mobile homes	17.9%
Median rooms	6.3
Avg household size (owned)	2.93

Year built

Era	%
2020 or later	0.6%
2010–2019	3.6%
2000–2009	8.3%
1990–1999	16.0%
1980–1989	14.9%
1970–1979	13.8%
1960–1969	5.8%
1950–1959	1.1%
1940–1949	3.6%
1939 or earlier	32.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	0.8%
2 bedrooms	25.6%
3 bedrooms	63.4%
4 bedrooms	8.0%
5+ bedrooms	2.2%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	16.3%
2 vehicles	46.0%
3 or more	37.7%

Heating fuel

Fuel type	%
Utility gas	1.0%
Electricity	52.4%
Propane / LP gas	34.5%
Fuel oil	1.3%
Wood	8.9%
No fuel used	1.0%

Households & families

Household type	Count	%
Married-couple family	180	57.5%
Cohabiting couple	56	17.9%
Male householder, no spouse	29	9.3%
Female householder, no spouse	48	15.3%
Households with children under 18	130	41.5%
Households with seniors (65+)	102	32.6%
Average household size	2.89

Marital status

Status	Male	Female
Never married	36.6%	25.5%
Married	50.3%	62.9%
Separated	2.4%	0.0%
Widowed	4.8%	2.4%
Divorced	5.9%	9.1%

Education

Less than 9th grade 5.2%

Some HS, no diploma 4.8%

HS graduate 46.6%

Some college, no degree 24.1%

Associate's degree 2.1%

Bachelor's degree 13.7%

Graduate / professional 3.6%

Metric	%
HS diploma or higher	90.0%
Bachelor's or higher	17.4%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	12	6.6%
Kindergarten	15	8.3%
Elementary school	67	37.0%
High school	84	46.4%
College / grad school	3	1.7%

Employment

Industry of employment

Manufacturing 21.7%

Construction 11.8%

Education & healthcare 10.3%

Retail trade 9.9%

Arts, food & hospitality 8.9%

Professional & management 6.7%

Public administration 6.7%

Wholesale trade 6.4%

Transportation & utilities 6.4%

Finance & real estate 4.9%

Agriculture & mining 2.7%

Other services 2.0%

Information 1.7%

Occupation

Category	%
Management, business & arts	28.1%
Service	14.5%
Sales & office	15.8%
Natural resources & construction	18.0%
Production & transportation	23.6%

Employment type

Type	%
Private sector	76.6%
Government	14.8%
Self-employed	8.6%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.3%
Carpool	9.4%
Public transit	0.0%
Walk	3.0%
Work from home	4.4%
Other means	3.0%
Avg commute (minutes)	29.5

Poverty

All people 11.8%

Under 18 years 9.0%

18 and over 13.1%

Married-couple families 2.8%

Female-led households 33.3%

Income support

Source	% of households
Social Security	32.6%
Retirement income	18.8%
Supplemental Security	0.6%
Cash public assistance	1.0%
Food stamps / SNAP	4.2%

Health indicators

Condition	%
Obesity	37.2%
High blood pressure	34.1%
High cholesterol	33.7%
Diabetes	11.4%
Heart disease	8.1%
Stroke	3.7%
Asthma	9.9%
Arthritis	29.7%
Kidney disease	3.2%
Pulmonary disease	10.1%
Cancer	7.0%

Behavior / access	%
Smoking	25.5%
Binge drinking	16.4%
No physical activity	28.1%
Less than 7 hrs sleep	34.1%
Depression	26.0%
Fair or poor health	18.9%
Poor mental health	17.3%
Poor physical health	13.3%
No health insurance	16.8%
Visited doctor (checkup)	74.1%
Visited dentist	55.6%
Cholesterol screening	87.6%
Teeth loss	21.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	15	2.4%

Disability	%
Any disability	8.7%
Under 18	0.0%
18–64 years	7.0%
65 and over	30.1%

Health insurance coverage

Type	%
Private insurance	77.8%
Public insurance	31.1%
No insurance	4.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	800	88.5%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	904	100.0%
Born in same state	904	100.0%
Born in different state	656	72.6%
Foreign born	0	0.0%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Arab	216	23.9%
Italian	171	18.9%
French	59	6.5%

Ancestry	Count	%
English	8	0.9%
Polish	4	0.4%

Technology access

Metric	% of households
Computer access	34.6%
Internet access	94.6%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 64440

What city is ZIP code 64440 in?

ZIP code 64440 is primarily assigned to De Kalb, Missouri.

What county is ZIP code 64440 in?

ZIP code 64440 falls within Buchanan County, Missouri.

Is ZIP code 64440 family-oriented?

31% of residents in ZIP code 64440 are under 18, reflecting a younger, family-oriented community.

Is ZIP code 64440 mostly owner-occupied?

81% of occupied units in ZIP code 64440 are owner-occupied, well above the national average.

What is the typical home value in ZIP code 64440?

The median home value in ZIP code 64440 is $178,300.

What is the population of ZIP code 64440?

ZIP code 64440 has an estimated population of 904 residents, with a density of 25 people per square mile.

What timezone is ZIP code 64440 in?

ZIP code 64440 observes the CST timezone.