Knox County, OH ZIP Codes
Ohio (OH) · 10 ZIP codes · 10 cities
10
ZIP codes
62,897
population (2021)
+3.2%
pop change since 2010
39083
FIPS code
Knox County ZIP code map
About Knox County
Knox County is located in Ohio and contains 10 ZIP codes across 10 cities and communities.
The county's population was 62,897 as of 2021,
an increase of
3.2% from 60,921 in 2010.
The timezone is Central Time (observes DST).
The Federal Information Processing System (FIPS) code for Knox County is 39083.
| Population | |
|---|---|
| 2021 population | 62,897 |
| 2010 population | 60,921 |
| Change | +3.2% |
| County details | |
|---|---|
| State | Ohio |
| FIPS code | 39083 |
| Timezone | Central |
| Daylight saving | Yes |
Cities in Knox County
Bladensburg
Brinkhaven
Centerburg
Danville
Fredericktown
Gambier
Howard
Martinsburg
Mount Liberty
Mount Vernon
ZIP codes for Knox County, OH (10)
| ZIP code | City | County | Map |
|---|---|---|---|
| 43005 | Bladensburg | Knox | View map |
| 43006 | Brinkhaven | Knox | View map |
| 43011 | Centerburg | Knox | View map |
| 43014 | Danville | Knox | View map |
| 43019 | Fredericktown | Knox | View map |
| 43022 | Gambier | Knox | View map |
| 43028 | Howard | Knox | View map |
| 43037 | Martinsburg | Knox | View map |
| 43048 | Mount Liberty | Knox | View map |
| 43050 | Mount Vernon | Knox | View map |
Demographics & statistics
62,939
Population
39.4
Median age
$70,962
Median household income
$32,608
Per capita income
$184,871
Median home value
$870
Median monthly rent
77.4%
Home ownership
10.1%
Poverty rate
3.4%
Unemployment
19,801
Housing units
22.2%
Bachelor's or higher
Age distribution
Male
Female
1,773
Under 5
1,805
1,826
5–9
1,860
2,196
10–14
2,235
2,464
15–19
2,508
2,409
20–24
2,452
3,339
25–34
3,399
3,553
35–44
3,618
3,584
45–54
3,650
1,781
55–59
1,814
2,460
60–64
2,504
3,392
65–74
3,454
1,671
75–84
1,701
739
85+
752
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 14,085 | 21.6% |
| 18 and over | 48,854 | 78.4% |
| 65 and over | 11,709 | 16.2% |
| Median age | 39.4 years | |
Race & ethnicity
White
92.5%
Two or more races
3%
Hispanic or Latino
2.1%
Other race
0.9%
Black or African American
0.8%
Asian
0.5%
American Indian / Alaska Native
0.1%
| Group | Count | % |
|---|---|---|
| White | 59,462 | 92.5% |
| Two or more races | 1,914 | 3% |
| Hispanic or Latino | 1,340 | 2.1% |
| Other race | 607 | 0.9% |
| Black or African American | 542 | 0.8% |
| Asian | 338 | 0.5% |
| American Indian / Alaska Native | 76 | 0.1% |
Household income
Under $10k
3.0%
$10k–$15k
2.7%
$15k–$25k
6.8%
$25k–$35k
8.2%
$35k–$50k
10.6%
$50k–$75k
21.5%
$75k–$100k
16.4%
$100k–$150k
16.6%
$150k–$200k
8.7%
$200k+
5.6%
| Range | % of households |
|---|---|
| Under $10k | 3.0% |
| $10k–$15k | 2.7% |
| $15k–$25k | 6.8% |
| $25k–$35k | 8.2% |
| $35k–$50k | 10.6% |
| $50k–$75k | 21.5% |
| $75k–$100k | 16.4% |
| $100k–$150k | 16.6% |
| $150k–$200k | 8.7% |
| $200k+ | 5.6% |
| Median income | $70,962 |
Housing
Home values
Under $50k
5.8%
$50k–$100k
8.0%
$100k–$150k
12.8%
$150k–$200k
18.4%
$200k–$300k
24.7%
$300k–$500k
21.5%
$500k–$1M
6.6%
$1M+
2.2%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $184,871 |
| Median rent / month | $870 |
| Owner occupied | 77.4% |
| Renter occupied | 22.6% |
| Vacant | 10.7% |
| Single-family detached | 85.8% |
| Large apartment buildings | 0.6% |
| Mobile homes | 5.0% |
| Median rooms | 6.3 |
| Avg household size (owned) | 2.69 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.5% |
| 2010–2019 | 4.2% |
| 2000–2009 | 13.7% |
| 1990–1999 | 15.9% |
| 1980–1989 | 11.2% |
| 1970–1979 | 10.5% |
| 1960–1969 | 5.7% |
| 1950–1959 | 7.3% |
| 1940–1949 | 4.2% |
| 1939 or earlier | 26.7% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 0.6% |
| 1 bedroom | 5.1% |
| 2 bedrooms | 22.8% |
| 3 bedrooms | 49.6% |
| 4 bedrooms | 16.8% |
| 5+ bedrooms | 5.1% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 8.7% |
| 1 vehicle | 22.2% |
| 2 vehicles | 40.4% |
| 3 or more | 28.7% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 51.4% |
| Electricity | 18.8% |
| Propane / LP gas | 17.8% |
| Fuel oil | 2.7% |
| Wood | 8.6% |
| No fuel used | 0.2% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 13,028 | 57.6% |
| Cohabiting couple | 1,389 | 5.2% |
| Male householder, no spouse | 3,788 | 14.5% |
| Female householder, no spouse | 4,902 | 22.8% |
| Households with children under 18 | 6,898 | 28.6% |
| Households with seniors (65+) | 7,989 | 33.1% |
| Average household size | 2.67 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 35.8% | 30.6% |
| Married | 52.3% | 50.7% |
| Separated | 0.7% | 0.9% |
| Widowed | 2.7% | 7.1% |
| Divorced | 8.4% | 10.8% |
Education
Less than 9th grade
4.6%
Some HS, no diploma
4.9%
HS graduate
39.5%
Some college, no degree
19.9%
Associate's degree
9.0%
Bachelor's degree
13.7%
Graduate / professional
8.5%
| Metric | % |
|---|---|
| HS diploma or higher | 90.6% |
| Bachelor's or higher | 22.2% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 807 | 4.4% |
| Kindergarten | 671 | 2.9% |
| Elementary school | 6,348 | 44.0% |
| High school | 2,943 | 24.1% |
| College / grad school | 4,781 | 24.7% |
Employment
Industry of employment
Education & healthcare
25.7%
Manufacturing
17.1%
Retail trade
11.5%
Construction
9.7%
Arts, food & hospitality
6.9%
Professional & management
5.8%
Other services
5.5%
Finance & real estate
4.4%
Transportation & utilities
3.8%
Public administration
3.6%
Agriculture & mining
2.7%
Wholesale trade
1.9%
Information
1.3%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 34.3% |
| Service | 15.6% |
| Sales & office | 18.7% |
| Natural resources & construction | 14.7% |
| Production & transportation | 16.7% |
Employment type
| Type | % |
|---|---|
| Private sector | 79.9% |
| Government | 11.1% |
| Self-employed | 7.9% |
| Unpaid family workers | 1.1% |
Commute
| Method | % |
|---|---|
| Drive alone | 72.6% |
| Carpool | 8.3% |
| Public transit | 0.2% |
| Walk | 5.1% |
| Other means | 2.5% |
| Avg commute (minutes) | 28.8 |
Poverty
All people
10.1%
Under 18 years
18.5%
18 and over
8.2%
Married-couple families
3.9%
Female-led households
30.2%
Income support
| Source | % of households |
|---|---|
| Social Security | 34.4% |
| Retirement income | 29.5% |
| Supplemental Security | 5.7% |
| Cash public assistance | 1.2% |
| Food stamps / SNAP | 7.3% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 31.9% |
| High cholesterol | 29.4% |
| Heart disease | 6.8% |
| Stroke | 3.1% |
| Asthma | 10.1% |
| Arthritis | 27.2% |
| Kidney disease | 2.8% |
| Pulmonary disease | 8.6% |
| Cancer | 6.4% |
| Behavior / access | % |
|---|---|
| Binge drinking | 17.2% |
| No physical activity | 25.7% |
| Less than 7 hrs sleep | 33.1% |
| Fair or poor health | 14.9% |
| Poor mental health | 16.7% |
| Poor physical health | 10.5% |
| No health insurance | 12.4% |
| Visited doctor (checkup) | 74.2% |
| Visited dentist | 63.3% |
| Cholesterol screening | 86.5% |
| Teeth loss | 15.0% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 4,194 | 8.0% |
| Disability | % |
|---|---|
| Any disability | 12.5% |
| Under 18 | 4.7% |
| 18–64 years | 10.3% |
| 65 and over | 32.2% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 63.3% |
| Public insurance | 33.1% |
| Uninsured under 19 | 24.1% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 59,361 | 93.9% |
| Spanish | 1,330 | 2.9% |
| Other Indo-European | 106 | 0.1% |
| Asian & Pacific Islander | 1,180 | 2.8% |
| Other languages | 44 | 0.0% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 62,130 | 98.6% |
| Born in same state | 61,883 | 98.1% |
| Born in different state | 49,640 | 79.5% |
| Foreign born | 247 | 0.4% |
| Naturalized citizen | 809 | 1.4% |
| Not a US citizen | 333 | 54.5% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 8,466 | 13.5% |
| French | 8,323 | 13.2% |
| Arab | 5,311 | 8.4% |
| English | 864 | 1.4% |
| Polish | 467 | 0.7% |
| Ancestry | Count | % |
|---|---|---|
| Irish | 354 | 0.6% |
| Dutch | 292 | 0.5% |
| German | 100 | 0.2% |
| Norwegian | 25 | 0% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 35.1% |
| Internet access | 88.9% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Explore more Ohio ZIP codes