Knox County, MO ZIP Codes

Missouri (MO)  ·  6 ZIP codes  ·  6 cities
6
ZIP codes
3,808
population (2021)
-7.8%
pop change since 2010
29103
FIPS code
Knox County ZIP code map
About Knox County
Knox County is located in Missouri and contains 6 ZIP codes across 6 cities and communities. The county's population was 3,808 as of 2021, a decrease of 7.8% from 4,131 in 2010. The timezone is Mountain Time (observes DST). The Federal Information Processing System (FIPS) code for Knox County is 29103.
Population
2021 population3,808
2010 population4,131
Change-7.8%
County details
StateMissouri
FIPS code29103
TimezoneMountain
Daylight savingYes
Cities in Knox County
ZIP codes for Knox County, MO (6)

Demographics & statistics

4,311
Population
40.2
Median age
$50,978
Median household income
$23,327
Per capita income
$66,700
Median home value
$569
Median monthly rent
86.5%
Home ownership
9.7%
Poverty rate
1.1%
Unemployment
2,031
Housing units
14.1%
Bachelor's or higher

Age distribution

Male Female
170
Under 5
145
153
5–9
130
157
10–14
135
202
15–19
173
127
20–24
108
188
25–34
161
285
35–44
244
233
45–54
200
157
55–59
134
192
60–64
165
252
65–74
215
175
75–84
149
33
85+
28
← Male
Female →

Age summary

GroupCount%
Under 181,05618.5%
18 and over3,25581.5%
65 and over85223.9%
Median age40.2 years

Race & ethnicity

White 92.2%
Two or more races 3.2%
Asian 1.7%
Hispanic or Latino 1.5%
Black or African American 1%
Other race 0.2%
American Indian / Alaska Native 0.2%
GroupCount%
White4,03492.2%
Two or more races1393.2%
Asian751.7%
Hispanic or Latino651.5%
Black or African American451%
Other race90.2%
American Indian / Alaska Native70.2%

Household income

Under $10k 8.1%
$10k–$15k 5.5%
$15k–$25k 11.7%
$25k–$35k 12.7%
$35k–$50k 10.4%
$50k–$75k 17.8%
$75k–$100k 14.6%
$100k–$150k 11.5%
$150k–$200k 7.4%
$200k+ 0.2%
Range% of households
Under $10k8.1%
$10k–$15k5.5%
$15k–$25k11.7%
$25k–$35k12.7%
$35k–$50k10.4%
$50k–$75k17.8%
$75k–$100k14.6%
$100k–$150k11.5%
$150k–$200k7.4%
$200k+0.2%
Median income$50,978

Housing

Home values

Under $50k 15.2%
$50k–$100k 37.5%
$100k–$150k 8.6%
$150k–$200k 5.0%
$200k–$300k 17.3%
$300k–$500k 10.5%
$500k–$1M 5.9%

Housing overview

MetricValue
Median home value$66,700
Median rent / month$569
Owner occupied86.5%
Renter occupied13.5%
Vacant45.8%
Single-family detached83.8%
Large apartment buildings0.0%
Mobile homes11.1%
Median rooms5.0
Avg household size (owned)2.89

Year built

Era%
2020 or later0.0%
2010–20195.9%
2000–200910.4%
1990–199913.5%
1980–19895.0%
1970–197911.6%
1960–19698.9%
1950–19599.9%
1940–19494.3%
1939 or earlier30.5%

Bedrooms

Size% of units
No bedroom (studio)29.5%
1 bedroom3.9%
2 bedrooms20.1%
3 bedrooms33.4%
4 bedrooms10.3%
5+ bedrooms2.8%

Vehicles per household

Vehicles% of households
No vehicle4.7%
1 vehicle29.1%
2 vehicles39.8%
3 or more26.5%

Heating fuel

Fuel type%
Utility gas13.9%
Electricity36.0%
Propane / LP gas39.8%
Fuel oil0.8%
Wood9.1%

Households & families

Household typeCount%
Married-couple family72552.8%
Cohabiting couple392.6%
Male householder, no spouse25023.7%
Female householder, no spouse30020.9%
Households with children under 1830617.6%
Households with seniors (65+)59050.5%
Average household size3.03

Marital status

StatusMaleFemale
Never married31.1%29.6%
Married42.4%47.6%
Separated1.2%0.4%
Widowed3.8%7.4%
Divorced21.5%15.0%

Education

Less than 9th grade 11.6%
Some HS, no diploma 6.6%
HS graduate 43.2%
Some college, no degree 18.2%
Associate's degree 6.3%
Bachelor's degree 9.4%
Graduate / professional 4.7%
Metric%
HS diploma or higher81.8%
Bachelor's or higher14.1%

School enrollment (ages 3–17)

TypeCount%
Nursery / preschool9712.0%
Kindergarten111.0%
Elementary school40652.7%
High school17212.6%
College / grad school13121.7%

Employment

Industry of employment

Education & healthcare 22.8%
Arts, food & hospitality 14.4%
Agriculture & mining 14.2%
Manufacturing 9.4%
Retail trade 7.9%
Construction 6.6%
Public administration 6.6%
Professional & management 5.1%
Information 3.4%
Other services 3.0%
Transportation & utilities 2.9%
Finance & real estate 2.5%
Wholesale trade 1.1%

Occupation

Category%
Management, business & arts28.3%
Service27.5%
Sales & office16.3%
Natural resources & construction16.4%
Production & transportation11.5%

Employment type

Type%
Private sector71.5%
Government12.6%
Self-employed15.5%
Unpaid family workers0.5%

Commute

Method%
Drive alone76.3%
Carpool2.5%
Public transit1.4%
Walk1.9%
Other means1.1%
Avg commute (minutes)22.3

Poverty

All people 9.7%
Under 18 years 5.1%
18 and over 10.9%
Married-couple families 2.3%
Female-led households 17.6%

Income support

Source% of households
Social Security46.0%
Retirement income21.2%
Supplemental Security4.4%
Cash public assistance0.5%
Food stamps / SNAP8.3%

Health indicators

Condition%
High blood pressure36.6%
High cholesterol37.3%
Heart disease9.0%
Stroke4.2%
Asthma9.9%
Arthritis32.5%
Kidney disease3.6%
Pulmonary disease11.1%
Cancer7.8%
Behavior / access%
Binge drinking15.5%
No physical activity30.3%
Less than 7 hrs sleep33.2%
Fair or poor health20.2%
Poor mental health16.0%
Poor physical health14.2%
No health insurance17.1%
Visited doctor (checkup)74.4%
Visited dentist55.0%
Cholesterol screening88.2%
Teeth loss21.5%

Veterans & disability

VeteransCount%
Civilian veterans2989.5%
Disability%
Any disability17.7%
Under 184.7%
18–64 years15.6%
65 and over30.7%

Health insurance coverage

Type%
Private insurance50.8%
Public insurance36.1%
Uninsured under 1929.4%

Language & origin

Language spoken at home (age 5+)

LanguageCount%
English only3,99694.5%
Spanish1556.6%
Other Indo-European270.3%
Asian & Pacific Islander793.9%
Other languages492.4%

Place of birth & citizenship

OriginCount%
Native born (US)4,19195.5%
Born in same state4,16494.3%
Born in different state2,99066.9%
Foreign born271.1%
Naturalized citizen1204.5%
Not a US citizen1628.6%

Ancestry

AncestryCount%
French55512.9%
Arab4199.7%
Italian1703.9%
AncestryCount%
English310.7%
Polish80.2%
Irish20%

Technology access

Metric% of households
Computer access35.7%
Internet access78.5%

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

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