Seneca County, OH ZIP Codes
Ohio (OH) · 14 ZIP codes · 14 cities
14
ZIP codes
54,906
population (2021)
-3.2%
pop change since 2010
39147
FIPS code
Seneca County ZIP code map
About Seneca County
Seneca County is located in Ohio and contains 14 ZIP codes across 14 cities and communities.
The county's population was 54,906 as of 2021,
a decrease of
3.2% from 56,745 in 2010.
The timezone is Central Time (observes DST).
The Federal Information Processing System (FIPS) code for Seneca County is 39147.
| Population | |
|---|---|
| 2021 population | 54,906 |
| 2010 population | 56,745 |
| Change | -3.2% |
| County details | |
|---|---|
| State | Ohio |
| FIPS code | 39147 |
| Timezone | Central |
| Daylight saving | Yes |
Cities in Seneca County
Alvada
Attica
Bascom
Bettsville
Bloomville
Flat Rock
Fostoria
Green Springs
Kansas
Melmore
New Riegel
Old Fort
Republic
Tiffin
ZIP codes for Seneca County, OH (14)
| ZIP code | City | County | Map |
|---|---|---|---|
| 44802 | Alvada | Seneca | View map |
| 44807 | Attica | Seneca | View map |
| 44809 | Bascom | Seneca | View map |
| 44815 | Bettsville | Seneca | View map |
| 44818 | Bloomville | Seneca | View map |
| 44828 | Flat Rock | Seneca | View map |
| 44830 | Fostoria | Seneca | View map |
| 44836 | Green Springs | Seneca | View map |
| 44841 | Kansas | Seneca | View map |
| 44845 | Melmore | Seneca | View map |
| 44853 | New Riegel | Seneca | View map |
| 44861 | Old Fort | Seneca | View map |
| 44867 | Republic | Seneca | View map |
| 44883 | Tiffin | Seneca | View map |
Demographics & statistics
59,461
Population
41.0
Median age
$61,461
Median household income
$31,890
Per capita income
$131,622
Median home value
$749
Median monthly rent
81.2%
Home ownership
10.1%
Poverty rate
3.0%
Unemployment
19,958
Housing units
14.7%
Bachelor's or higher
Age distribution
Male
Female
1,562
Under 5
1,607
1,708
5–9
1,757
1,707
10–14
1,756
2,295
15–19
2,361
2,125
20–24
2,186
3,305
25–34
3,401
3,348
35–44
3,445
3,383
45–54
3,480
2,190
55–59
2,254
2,047
60–64
2,106
3,378
65–74
3,476
1,543
75–84
1,587
717
85+
737
← Male
Female →
Age summary
| Group | Count | % |
|---|---|---|
| Under 18 | 12,487 | 22.3% |
| 18 and over | 46,974 | 77.7% |
| 65 and over | 11,438 | 17.9% |
| Median age | 41.0 years | |
Race & ethnicity
White
88.9%
Two or more races
3.4%
Black or African American
2.7%
Hispanic or Latino
2.4%
Other race
1.3%
Asian
1.1%
American Indian / Alaska Native
0.2%
| Group | Count | % |
|---|---|---|
| White | 54,156 | 88.9% |
| Two or more races | 2,063 | 3.4% |
| Black or African American | 1,645 | 2.7% |
| Hispanic or Latino | 1,455 | 2.4% |
| Other race | 795 | 1.3% |
| Asian | 650 | 1.1% |
| American Indian / Alaska Native | 145 | 0.2% |
Household income
Under $10k
3.0%
$10k–$15k
2.3%
$15k–$25k
8.4%
$25k–$35k
7.2%
$35k–$50k
14.3%
$50k–$75k
21.9%
$75k–$100k
14.0%
$100k–$150k
21.0%
$150k–$200k
5.0%
$200k+
2.8%
| Range | % of households |
|---|---|
| Under $10k | 3.0% |
| $10k–$15k | 2.3% |
| $15k–$25k | 8.4% |
| $25k–$35k | 7.2% |
| $35k–$50k | 14.3% |
| $50k–$75k | 21.9% |
| $75k–$100k | 14.0% |
| $100k–$150k | 21.0% |
| $150k–$200k | 5.0% |
| $200k+ | 2.8% |
| Median income | $61,461 |
Housing
Home values
Under $50k
10.4%
$50k–$100k
25.8%
$100k–$150k
23.9%
$150k–$200k
13.3%
$200k–$300k
19.5%
$300k–$500k
5.5%
$500k–$1M
0.9%
$1M+
0.6%
Housing overview
| Metric | Value |
|---|---|
| Median home value | $131,622 |
| Median rent / month | $749 |
| Owner occupied | 81.2% |
| Renter occupied | 18.8% |
| Vacant | 7.9% |
| Single-family detached | 86.0% |
| Large apartment buildings | 1.1% |
| Mobile homes | 6.6% |
| Median rooms | 6.6 |
| Avg household size (owned) | 2.54 |
Year built
| Era | % |
|---|---|
| 2020 or later | 0.4% |
| 2010–2019 | 2.1% |
| 2000–2009 | 5.4% |
| 1990–1999 | 9.9% |
| 1980–1989 | 8.1% |
| 1970–1979 | 14.8% |
| 1960–1969 | 8.1% |
| 1950–1959 | 6.8% |
| 1940–1949 | 3.7% |
| 1939 or earlier | 40.9% |
Bedrooms
| Size | % of units |
|---|---|
| No bedroom (studio) | 1.3% |
| 1 bedroom | 6.1% |
| 2 bedrooms | 17.6% |
| 3 bedrooms | 52.0% |
| 4 bedrooms | 18.8% |
| 5+ bedrooms | 4.2% |
Vehicles per household
| Vehicles | % of households |
|---|---|
| No vehicle | 4.0% |
| 1 vehicle | 22.7% |
| 2 vehicles | 41.2% |
| 3 or more | 32.1% |
Heating fuel
| Fuel type | % |
|---|---|
| Utility gas | 32.9% |
| Electricity | 21.8% |
| Propane / LP gas | 31.0% |
| Fuel oil | 2.8% |
| Wood | 9.7% |
| No fuel used | 1.0% |
Households & families
| Household type | Count | % |
|---|---|---|
| Married-couple family | 10,996 | 54.5% |
| Cohabiting couple | 2,276 | 11.3% |
| Male householder, no spouse | 4,758 | 16.0% |
| Female householder, no spouse | 5,926 | 18.3% |
| Households with children under 18 | 6,851 | 30.7% |
| Households with seniors (65+) | 8,093 | 31.3% |
| Average household size | 2.52 | |
Marital status
| Status | Male | Female |
|---|---|---|
| Never married | 32.9% | 23.7% |
| Married | 53.1% | 53.8% |
| Separated | 1.3% | 1.8% |
| Widowed | 3.2% | 8.8% |
| Divorced | 9.5% | 11.9% |
Education
Less than 9th grade
1.4%
Some HS, no diploma
6.6%
HS graduate
46.0%
Some college, no degree
19.8%
Associate's degree
11.5%
Bachelor's degree
10.3%
Graduate / professional
4.4%
| Metric | % |
|---|---|
| HS diploma or higher | 91.9% |
| Bachelor's or higher | 14.7% |
School enrollment (ages 3–17)
| Type | Count | % |
|---|---|---|
| Nursery / preschool | 1,099 | 9.4% |
| Kindergarten | 538 | 3.3% |
| Elementary school | 5,600 | 46.7% |
| High school | 2,930 | 23.2% |
| College / grad school | 3,887 | 17.3% |
Employment
Industry of employment
Manufacturing
30.5%
Education & healthcare
18.4%
Retail trade
8.9%
Construction
7.9%
Transportation & utilities
6.9%
Other services
6.2%
Arts, food & hospitality
5.4%
Professional & management
4.3%
Agriculture & mining
2.8%
Wholesale trade
2.8%
Public administration
2.1%
Finance & real estate
2.0%
Information
1.7%
Occupation
| Category | % |
|---|---|
| Management, business & arts | 25.3% |
| Service | 14.1% |
| Sales & office | 16.2% |
| Natural resources & construction | 12.5% |
| Production & transportation | 31.8% |
Employment type
| Type | % |
|---|---|
| Private sector | 84.0% |
| Government | 8.5% |
| Self-employed | 7.5% |
| Unpaid family workers | 0.0% |
Commute
| Method | % |
|---|---|
| Drive alone | 83.1% |
| Carpool | 7.8% |
| Public transit | 0.2% |
| Walk | 2.4% |
| Other means | 1.7% |
| Avg commute (minutes) | 24.4 |
Poverty
All people
10.1%
Under 18 years
11.0%
18 and over
9.7%
Married-couple families
3.8%
Female-led households
34.7%
Income support
| Source | % of households |
|---|---|
| Social Security | 33.2% |
| Retirement income | 23.7% |
| Supplemental Security | 3.6% |
| Cash public assistance | 1.6% |
| Food stamps / SNAP | 9.1% |
Health indicators
| Condition | % |
|---|---|
| High blood pressure | 34.4% |
| High cholesterol | 31.6% |
| Heart disease | 7.1% |
| Stroke | 3.2% |
| Asthma | 9.9% |
| Arthritis | 27.5% |
| Kidney disease | 2.9% |
| Pulmonary disease | 8.9% |
| Cancer | 6.9% |
| Behavior / access | % |
|---|---|
| Binge drinking | 17.8% |
| No physical activity | 28.0% |
| Less than 7 hrs sleep | 36.7% |
| Fair or poor health | 14.9% |
| Poor mental health | 16.5% |
| Poor physical health | 10.8% |
| No health insurance | 12.1% |
| Visited doctor (checkup) | 75.4% |
| Visited dentist | 62.9% |
| Cholesterol screening | 88.6% |
| Teeth loss | 15.4% |
Veterans & disability
| Veterans | Count | % |
|---|---|---|
| Civilian veterans | 3,386 | 6.5% |
| Disability | % |
|---|---|
| Any disability | 11.5% |
| Under 18 | 2.6% |
| 18–64 years | 10.1% |
| 65 and over | 28.3% |
Health insurance coverage
| Type | % |
|---|---|
| Private insurance | 70.9% |
| Public insurance | 34.3% |
| Uninsured under 19 | 5.4% |
Language & origin
Language spoken at home (age 5+)
| Language | Count | % |
|---|---|---|
| English only | 56,292 | 94.2% |
| Spanish | 579 | 0.5% |
| Other Indo-European | 319 | 0.4% |
| Asian & Pacific Islander | 56 | 0.0% |
| Other languages | 189 | 0.1% |
Place of birth & citizenship
| Origin | Count | % |
|---|---|---|
| Native born (US) | 58,392 | 98.7% |
| Born in same state | 58,276 | 98.5% |
| Born in different state | 51,809 | 89.4% |
| Foreign born | 116 | 0.2% |
| Naturalized citizen | 1,069 | 1.3% |
| Not a US citizen | 596 | 58.9% |
Ancestry
| Ancestry | Count | % |
|---|---|---|
| Italian | 7,574 | 12.7% |
| French | 4,834 | 8.1% |
| Arab | 3,602 | 6.1% |
| English | 539 | 0.9% |
| Ancestry | Count | % |
|---|---|---|
| Polish | 235 | 0.4% |
| Irish | 210 | 0.4% |
| German | 193 | 0.3% |
| Dutch | 31 | 0.1% |
Technology access
| Metric | % of households |
|---|---|
| Computer access | 39.1% |
| Internet access | 93.1% |
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
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