ZipCodesToGo
Missouri ZIP Codes
Saline County
Blackburn, MO
65321
65321 ZIP Code — Blackburn, MO
Saline County, Missouri
ZIP code 65321 is located in
Blackburn ,
Missouri ,
within Saline County .
It covers approximately 38.62 square miles and serves a population of
372 residents.
This is a standard ZIP code in the Central (CT) timezone,
served by area code 660 .
About ZIP code 65321
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 $104,300. Owner-occupancy is high at 83%, well above the national average.
The gap between median ($85,938) and mean household income suggests income inequality — a small number of higher earners pull the average up.
The dominant occupation class is management, business, and professional, with agriculture and mining as the leading industry. The average commute of 29 minutes is near the national average.
Educational attainment is near the national average, with 28% of residents holding a bachelor's degree or higher.
Health indicators show elevated rates of smoking (22%) compared to national benchmarks.
65321 ZIP code map
View map of 65321
Cities in ZIP code 65321
Below are the cities the US Postal Service accepts for ZIP code 65321. Using any city not on this list may result in mail delivery delays.
Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
372
Population density
10 / sq mi
State FIPS
29
County FIPS
195
Geography
Land area
38.62 sq mi
Water area
0.06 sq mi
Latitude
39.0852
Longitude
-93.4118
Timezone
Central (CT)
Area code
660
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
40.4%
52.1%
43.8%
$50k – $100k
38.6%
32.6%
31.5%
$100k – $200k
11.4%
13.6%
19.5%
Over $200k
9.6%
1.6%
5.2%
Demographics & statistics
$85,938
Median household income
$104,300
Median home value
28.1%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 82 22.0%
18 and over 290 78.0%
65 and over 77 20.7%
Median age 49.5 years
Race & ethnicity
Black or African American
0.5%
Group Count %
White 363 95.8%
Hispanic or Latino 7 1.8%
Two or more races 7 1.8%
Black or African American 2 0.5%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
40.4%
52.1%
43.8%
$50k – $100k
38.6%
32.6%
31.5%
$100k – $200k
11.4%
13.6%
19.5%
Over $200k
9.6%
1.6%
5.2%
Range % of households
Under $10k 0.6%
$10k–$15k 3.2%
$15k–$25k 7.6%
$25k–$35k 4.5%
$35k–$50k 8.3%
$50k–$75k 17.2%
$75k–$100k 22.9%
$100k–$150k 21.7%
$150k–$200k 5.1%
$200k+ 8.9%
Median income $85,938
Housing
Housing overview
Metric Value
Median home value $104,300
Median rent / month $781
Owner occupied 82.8%
Renter occupied 17.2%
Vacant 24.2%
Single-family detached 82.6%
Large apartment buildings 0.0%
Mobile homes 14.0%
Median rooms 5.7
Avg household size (owned) 2.13
Year built
Era %
2020 or later 0.0%
2010–2019 1.9%
2000–2009 2.9%
1990–1999 17.4%
1980–1989 2.9%
1970–1979 16.4%
1960–1969 16.9%
1950–1959 10.1%
1940–1949 5.3%
1939 or earlier 26.1%
Bedrooms
Size % of units
No bedroom (studio) 0.0%
1 bedroom 6.3%
2 bedrooms 30.9%
3 bedrooms 38.2%
4 bedrooms 22.7%
5+ bedrooms 1.9%
Vehicles per household
Vehicles % of households
No vehicle 2.5%
1 vehicle 7.0%
2 vehicles 38.2%
3 or more 52.2%
Heating fuel
Fuel type %
Utility gas 45.9%
Electricity 31.8%
Propane / LP gas 15.9%
Fuel oil 0.6%
Wood 1.3%
No fuel used 0.6%
Households & families
Household type Count %
Married-couple family 112 71.3%
Cohabiting couple 4 2.5%
Male householder, no spouse 29 18.5%
Female householder, no spouse 12 7.6%
Households with children under 18 40 25.5%
Households with seniors (65+) 48 30.6%
Average household size 2.37
Marital status
Status Male Female
Never married 22.5% 16.2%
Married 62.1% 75.4%
Separated 3.0% 0.7%
Widowed 1.2% 2.8%
Divorced 11.2% 4.9%
Education
Some college, no degree
18.3%
Graduate / professional
11.8%
Metric %
HS diploma or higher 94.7%
Bachelor's or higher 28.1%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 6 6.7%
Kindergarten 2 2.2%
Elementary school 43 47.8%
High school 18 20.0%
College / grad school 21 23.3%
Employment
Industry of employment
Agriculture & mining
22.9%
Education & healthcare
15.9%
Public administration
13.1%
Finance & real estate
4.7%
Arts, food & hospitality
3.7%
Professional & management
3.3%
Transportation & utilities
1.9%
Occupation
Category %
Management, business & arts 50.0%
Service 11.7%
Sales & office 15.9%
Natural resources & construction 5.6%
Production & transportation 16.8%
Employment type
Type %
Private sector 59.8%
Government 24.8%
Self-employed 15.4%
Unpaid family workers 0.0%
Commute
Method %
Drive alone 73.0%
Carpool 10.0%
Public transit 0.0%
Walk 4.7%
Work from home 11.8%
Other means 0.5%
Avg commute (minutes) 29.3
Poverty
Married-couple families
0.9%
Female-led households
0.0%
Income support
Source % of households
Social Security 26.8%
Retirement income 24.8%
Supplemental Security 3.2%
Cash public assistance 0.0%
Food stamps / SNAP 4.5%
Health indicators
Condition %
Obesity 38.6%
High blood pressure 35.7%
High cholesterol 35.8%
Diabetes 11.8%
Heart disease 8.4%
Stroke 3.7%
Asthma 9.4%
Arthritis 31.3%
Kidney disease 3.2%
Pulmonary disease 9.3%
Cancer 7.6%
Behavior / access %
Smoking 21.7%
Binge drinking 16.6%
No physical activity 28.1%
Less than 7 hrs sleep 35.0%
Depression 23.2%
Fair or poor health 17.6%
Poor mental health 15.2%
Poor physical health 12.5%
No health insurance 15.8%
Visited doctor (checkup) 75.0%
Visited dentist 58.9%
Cholesterol screening 89.7%
Teeth loss 18.6%
Veterans & disability
Veterans Count %
Civilian veterans 19 6.6%
Disability %
Any disability 11.6%
Under 18 3.7%
18–64 years 5.6%
65 and over 36.4%
Health insurance coverage
Type %
Private insurance 84.1%
Public insurance 29.8%
No insurance 4.8%
Uninsured under 19 0.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 358 96.2%
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) 369 99.2%
Born in same state 360 96.8%
Born in different state 318 85.5%
Foreign born 9 2.4%
Naturalized citizen 3 0.8%
Not a US citizen 2 66.7%
Ancestry
Ancestry Count %
Italian 59 15.9%
French 43 11.6%
Arab 27 7.3%
Ancestry Count %
Dutch 13 3.5%
English 3 0.8%
Polish 3 0.8%
Technology access
Metric % of households
Computer access 42.2%
Internet access 97.5%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 65321
What city is ZIP code 65321 in?
ZIP code 65321 is primarily assigned to Blackburn, Missouri.
What county is ZIP code 65321 in?
ZIP code 65321 falls within Saline County, Missouri.
Is ZIP code 65321 mostly owner-occupied?
83% of occupied units in ZIP code 65321 are owner-occupied, well above the national average.
What is the typical home value in ZIP code 65321?
The median home value in ZIP code 65321 is $104,300.
What is the population of ZIP code 65321?
ZIP code 65321 has an estimated population of 372 residents, with a density of 10 people per square mile.
What is the median household income in ZIP code 65321?
The median household income in ZIP code 65321 is $85,938, above the national median of ~$75,000.
What timezone is ZIP code 65321 in?
ZIP code 65321 observes the CST timezone.
Need the complete ZIP code database?
Download all 42,000+ US ZIP codes — Excel, CSV, or Access. Includes lat/lng, county FIPS & timezone.
Download database →