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Missouri ZIP Codes
Caldwell County
Hamilton, MO
64644
64644 ZIP Code — Hamilton, MO
Caldwell County, Missouri
ZIP code 64644 is located in
Hamilton ,
Missouri ,
within Caldwell County .
It covers approximately 107.50 square miles and serves a population of
3,096 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 816 .
About ZIP code 64644
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 $175,000. Owner-occupancy is high at 78%, well above the national average.
Median household income is $69,688. 38% of households receive Social Security income, suggesting a notable retiree or disability population.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 33 minutes is near the national average.
Educational attainment is near the national average, with 25% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (23%) compared to national benchmarks.
Overall, ZIP code 64644 reflects a community defined by high homeownership and a significant Social Security-dependent population.
64644 ZIP code map
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Cities in ZIP code 64644
Below are the cities the US Postal Service accepts for ZIP code 64644. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
3,096
Population density
29 / sq mi
State FIPS
29
County FIPS
025
Geography
Land area
107.50 sq mi
Water area
1.01 sq mi
Latitude
39.7268
Longitude
-93.9816
Timezone
Central (CT)
Area code
816
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
41.0%
48.7%
43.8%
$50k – $100k
35.6%
34.7%
31.5%
$100k – $200k
21.7%
15.0%
19.5%
Over $200k
1.7%
1.5%
5.2%
Demographics & statistics
$69,688
Median household income
$175,000
Median home value
24.7%
Bachelor's or higher
Age distribution
Age summary
Group Count % Under 18 821 26.5% 18 and over 2,275 73.5% 65 and over 608 19.6% Median age 37.4 years
Race & ethnicity
Group Count % White 2,946 92.4% Two or more races 123 3.9% Hispanic or Latino 91 2.9% Asian 27 0.8%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
41.0%
48.7%
43.8%
$50k – $100k
35.6%
34.7%
31.5%
$100k – $200k
21.7%
15.0%
19.5%
Over $200k
1.7%
1.5%
5.2%
Range % of households Under $10k 5.8% $10k–$15k 3.0% $15k–$25k 6.0% $25k–$35k 11.7% $35k–$50k 11.0% $50k–$75k 20.0% $75k–$100k 17.2% $100k–$150k 13.9% $150k–$200k 8.7% $200k+ 2.7% Median income $69,688
Housing
Housing overview
Metric Value Median home value $175,000 Median rent / month $679 Owner occupied 77.6% Renter occupied 22.4% Vacant 13.6% Single-family detached 79.5% Large apartment buildings 0.5% Mobile homes 11.8% Median rooms 5.9 Avg household size (owned) 2.61
Year built
Era % 2020 or later 1.5% 2010–2019 3.5% 2000–2009 8.9% 1990–1999 10.0% 1980–1989 3.9% 1970–1979 23.4% 1960–1969 11.6% 1950–1959 5.8% 1940–1949 4.9% 1939 or earlier 26.4%
Bedrooms
Size % of units No bedroom (studio) 0.5% 1 bedroom 8.0% 2 bedrooms 23.0% 3 bedrooms 51.1% 4 bedrooms 9.9% 5+ bedrooms 7.6%
Vehicles per household
Vehicles % of households No vehicle 5.9% 1 vehicle 29.0% 2 vehicles 32.9% 3 or more 32.2%
Heating fuel
Fuel type % Utility gas 33.6% Electricity 36.4% Propane / LP gas 21.0% Fuel oil 0.1% Wood 8.5% No fuel used 0.3%
Households & families
Household type Count % Married-couple family 684 57.8% Cohabiting couple 69 5.8% Male householder, no spouse 189 16.0% Female householder, no spouse 241 20.4% Households with children under 18 346 29.2% Households with seniors (65+) 422 35.7% Average household size 2.57
Marital status
Status Male Female Never married 28.2% 15.5% Married 56.2% 57.8% Separated 1.6% 2.5% Widowed 4.8% 10.0% Divorced 9.2% 14.1%
Education
Some college, no degree
19.0%
Graduate / professional
8.7%
Metric % HS diploma or higher 91.3% Bachelor's or higher 24.7%
School enrollment (ages 3–17)
Type Count % Nursery / preschool 28 3.7% Kindergarten 39 5.2% Elementary school 405 53.7% High school 177 23.5% College / grad school 105 13.9%
Employment
Industry of employment
Education & healthcare
27.7%
Public administration
7.5%
Transportation & utilities
6.0%
Agriculture & mining
4.3%
Finance & real estate
4.2%
Professional & management
2.9%
Arts, food & hospitality
2.3%
Occupation
Category % Management, business & arts 26.8% Service 14.0% Sales & office 19.2% Natural resources & construction 16.3% Production & transportation 23.7%
Employment type
Type % Private sector 74.5% Government 18.2% Self-employed 7.2% Unpaid family workers 0.0%
Commute
Method % Drive alone 76.1% Carpool 11.2% Public transit 0.2% Walk 0.6% Work from home 10.7% Other means 1.2% Avg commute (minutes) 32.7
Poverty
Married-couple families
4.8%
Female-led households
29.7%
Income support
Source % of households Social Security 37.5% Retirement income 29.0% Supplemental Security 3.1% Cash public assistance 1.6% Food stamps / SNAP 6.5%
Health indicators
Condition % Obesity 40.2% High blood pressure 35.6% High cholesterol 37.1% Diabetes 12.8% Heart disease 9.1% Stroke 4.2% Asthma 9.9% Arthritis 32.7% Kidney disease 3.6% Pulmonary disease 10.7% Cancer 7.9%
Behavior / access % Smoking 22.7% Binge drinking 15.8% No physical activity 28.9% Less than 7 hrs sleep 36.5% Depression 24.2% Fair or poor health 19.6% Poor mental health 16.0% Poor physical health 14.1% No health insurance 16.5% Visited doctor (checkup) 74.2% Visited dentist 52.8% Cholesterol screening 88.4% Teeth loss 22.0%
Veterans & disability
Veterans Count % Civilian veterans 237 10.4%
Disability % Any disability 11.6% Under 18 0.6% 18–64 years 9.1% 65 and over 35.6%
Health insurance coverage
Type % Private insurance 71.4% Public insurance 33.2% No insurance 11.6% Uninsured under 19 4.7%
Language & origin
Language spoken at home (age 5+)
Language Count % English only 2,906 93.9% Spanish 55 1.9% Other Indo-European 0 0.0% Asian & Pacific Islander 33 1.1% Other languages 22 0.8%
Place of birth & citizenship
Origin Count % Native born (US) 3,065 99.0% Born in same state 3,062 98.9% Born in different state 2,181 70.4% Foreign born 3 0.1% Naturalized citizen 31 1.0% Not a US citizen 6 19.4%
Ancestry
Ancestry Count % Arab 566 18.3% French 414 13.4% Italian 177 5.7%
Ancestry Count % English 15 0.5% Polish 10 0.3% Dutch 3 0.1%
Technology access
Metric % of households Computer access 38.2% Internet access 85.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 64644
What city is ZIP code 64644 in?
ZIP code 64644 is primarily assigned to Hamilton, Missouri.
What county is ZIP code 64644 in?
ZIP code 64644 falls within Caldwell County, Missouri.
Does ZIP code 64644 have a large retiree population?
38% of households in ZIP code 64644 receive Social Security income, suggesting a significant retiree or disability population.
Does ZIP code 64644 have a large veteran population?
10% of civilians in ZIP code 64644 are veterans, above the national average of ~7%.
What is the typical home value in ZIP code 64644?
The median home value in ZIP code 64644 is $175,000.
What is the population of ZIP code 64644?
ZIP code 64644 has an estimated population of 3,096 residents, with a density of 29 people per square mile.
What timezone is ZIP code 64644 in?
ZIP code 64644 observes the CST timezone.
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