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Missouri ZIP Codes
Clay County
Smithville, MO
64089
64089 ZIP Code — Smithville, MO
Clay County, Missouri
ZIP code 64089 is located in
Smithville ,
Missouri ,
within Clay County .
It covers approximately 60.91 square miles and serves a population of
13,818 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 816 .
About ZIP code 64089
The housing stock consists of predominantly single-family detached homes. Most homes were built in the 1990s, giving the area an established character. Median home value is $277,900. Owner-occupancy is high at 85%, well above the national average.
Median household income is $94,007. The poverty rate of 6% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 28 minutes is near the national average.
Educational attainment is near the national average, with 31% of residents holding a bachelor's degree or higher.
64089 ZIP code map
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Cities in ZIP code 64089
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
13,818
Population density
227 / sq mi
State FIPS
29
County FIPS
047
Geography
Land area
60.91 sq mi
Water area
5.46 sq mi
Latitude
39.3940
Longitude
-94.5734
Timezone
Central (CT)
Area code
816
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
22.0%
33.6%
43.8%
$50k – $100k
40.6%
34.3%
31.5%
$100k – $200k
31.3%
26.4%
19.5%
Over $200k
6.1%
5.7%
5.2%
Demographics & statistics
$94,007
Median household income
$277,900
Median home value
$1,115
Median monthly rent
31.2%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 3,829 27.7%
18 and over 9,989 72.3%
65 and over 1,980 14.3%
Median age 38.0 years
Race & ethnicity
Black or African American
0.4%
American Indian / Alaska Native
0.2%
Group Count %
White 13,004 92.8%
Two or more races 600 4.3%
Hispanic or Latino 198 1.4%
Asian 97 0.7%
Black or African American 51 0.4%
Other race 42 0.3%
American Indian / Alaska Native 24 0.2%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
22.0%
33.6%
43.8%
$50k – $100k
40.6%
34.3%
31.5%
$100k – $200k
31.3%
26.4%
19.5%
Over $200k
6.1%
5.7%
5.2%
Range % of households
Under $10k 2.6%
$10k–$15k 1.2%
$15k–$25k 5.4%
$25k–$35k 1.4%
$35k–$50k 7.2%
$50k–$75k 16.6%
$75k–$100k 18.8%
$100k–$150k 25.2%
$150k–$200k 12.0%
$200k+ 9.7%
Median income $94,007
Housing
Housing overview
Metric Value
Median home value $277,900
Median rent / month $1,115
Owner occupied 85.2%
Renter occupied 14.8%
Vacant 4.2%
Single-family detached 85.4%
Large apartment buildings 0.0%
Mobile homes 0.1%
Median rooms 6.6
Avg household size (owned) 2.81
Year built
Era %
2020 or later 0.0%
2010–2019 11.3%
2000–2009 22.6%
1990–1999 29.3%
1980–1989 9.1%
1970–1979 6.8%
1960–1969 7.5%
1950–1959 6.7%
1940–1949 3.3%
1939 or earlier 3.5%
Bedrooms
Size % of units
No bedroom (studio) 0.2%
1 bedroom 2.3%
2 bedrooms 16.0%
3 bedrooms 46.5%
4 bedrooms 29.3%
5+ bedrooms 5.7%
Vehicles per household
Vehicles % of households
No vehicle 3.0%
1 vehicle 16.8%
2 vehicles 46.5%
3 or more 33.7%
Heating fuel
Fuel type %
Utility gas 34.5%
Electricity 50.3%
Propane / LP gas 13.3%
Wood 0.5%
Solar 0.8%
No fuel used 0.3%
Households & families
Household type Count %
Married-couple family 3,309 66.6%
Cohabiting couple 257 5.2%
Male householder, no spouse 476 9.6%
Female householder, no spouse 930 18.7%
Households with children under 18 2,046 41.2%
Households with seniors (65+) 1,305 26.2%
Average household size 2.77
Marital status
Status Male Female
Never married 25.4% 21.1%
Married 66.1% 60.5%
Separated 0.2% 0.5%
Widowed 2.7% 6.8%
Divorced 5.7% 11.1%
Education
Some college, no degree
21.5%
Graduate / professional
9.8%
Metric %
HS diploma or higher 96.6%
Bachelor's or higher 31.2%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 257 7.7%
Kindergarten 174 5.2%
Elementary school 1,359 40.9%
High school 986 29.7%
College / grad school 543 16.4%
Employment
Industry of employment
Education & healthcare
20.9%
Professional & management
9.2%
Finance & real estate
7.7%
Transportation & utilities
6.2%
Arts, food & hospitality
4.8%
Public administration
3.5%
Agriculture & mining
1.3%
Occupation
Category %
Management, business & arts 37.6%
Service 12.4%
Sales & office 20.6%
Natural resources & construction 9.5%
Production & transportation 19.9%
Employment type
Type %
Private sector 87.5%
Government 8.5%
Self-employed 3.8%
Unpaid family workers 0.2%
Commute
Method %
Drive alone 82.4%
Carpool 5.2%
Public transit 0.0%
Walk 1.5%
Work from home 10.3%
Other means 0.6%
Avg commute (minutes) 28.1
Poverty
Married-couple families
4.1%
Female-led households
2.8%
Income support
Source % of households
Social Security 29.5%
Retirement income 26.0%
Supplemental Security 1.4%
Cash public assistance 0.3%
Food stamps / SNAP 2.3%
Health indicators
Condition %
Obesity 32.9%
High blood pressure 27.8%
High cholesterol 32.3%
Diabetes 8.6%
Heart disease 5.6%
Stroke 2.5%
Asthma 9.2%
Arthritis 24.8%
Kidney disease 2.4%
Pulmonary disease 6.3%
Cancer 6.3%
Behavior / access %
Smoking 18.5%
Binge drinking 19.1%
No physical activity 20.6%
Less than 7 hrs sleep 32.7%
Depression 23.5%
Fair or poor health 12.1%
Poor mental health 14.7%
Poor physical health 9.8%
No health insurance 12.5%
Visited doctor (checkup) 73.4%
Visited dentist 67.0%
Cholesterol screening 90.2%
Teeth loss 13.0%
Veterans & disability
Veterans Count %
Civilian veterans 980 9.9%
Disability %
Any disability 9.2%
Under 18 1.1%
18–64 years 6.4%
65 and over 36.2%
Health insurance coverage
Type %
Private insurance 86.2%
Public insurance 18.1%
No insurance 5.5%
Uninsured under 19 10.7%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 12,534 90.7%
Spanish 45 0.4%
Other Indo-European 7 0.1%
Asian & Pacific Islander 18 0.1%
Other languages 20 0.2%
Place of birth & citizenship
Origin Count %
Native born (US) 13,714 99.2%
Born in same state 13,712 99.2%
Born in different state 8,972 64.9%
Foreign born 2 0.0%
Naturalized citizen 104 0.8%
Not a US citizen 95 91.3%
Ancestry
Ancestry Count %
French 3,131 22.7%
Italian 1,578 11.4%
Arab 1,083 7.8%
Polish 255 1.8%
Ancestry Count %
Dutch 62 0.4%
German 53 0.4%
English 35 0.3%
Irish 20 0.1%
Technology access
Metric % of households
Computer access 36.0%
Internet access 98.7%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 64089
What city is ZIP code 64089 in?
ZIP code 64089 is primarily assigned to Smithville, Missouri.
What county is ZIP code 64089 in?
ZIP code 64089 falls within Clay County, Missouri.
Is ZIP code 64089 mostly owner-occupied?
85% of occupied units in ZIP code 64089 are owner-occupied, well above the national average.
Does ZIP code 64089 have a large veteran population?
10% of civilians in ZIP code 64089 are veterans, above the national average of ~7%.
What is the population of ZIP code 64089?
ZIP code 64089 has an estimated population of 13,818 residents, with a density of 227 people per square mile.
What is the median household income in ZIP code 64089?
The median household income in ZIP code 64089 is $94,007, above the national median of ~$75,000.
What timezone is ZIP code 64089 in?
ZIP code 64089 observes the CST timezone.
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