Seneca County, Ohio's estimated 2024 population is 54,520 with a growth rate of -0.01% in the past year according to the most recent United States census data. Seneca County, Ohio is the 47th largest county in Ohio. The 2010 population was 56,619 and has seen a growth of -3.71% since that time.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 54,485 | -7 | -0.01% |
| 2028 | 54,492 | -7 | -0.01% |
| 2027 | 54,499 | -7 | -0.01% |
| 2026 | 54,506 | -7 | -0.01% |
| 2025 | 54,513 | -7 | -0.01% |
| 2024 | 54,520 | -7 | -0.01% |
| 2023 | 54,527 | -7 | -0.01% |
| 2022 | 54,534 | -330 | -0.6% |
| 2021 | 54,864 | -190 | -0.35% |
| 2020 | 55,054 | -166 | -0.3% |
| 2019 | 55,220 | -36 | -0.07% |
| 2018 | 55,256 | -66 | -0.12% |
| 2017 | 55,322 | -195 | -0.35% |
| 2016 | 55,517 | -155 | -0.28% |
| 2015 | 55,672 | -147 | -0.26% |
| 2014 | 55,819 | -41 | -0.07% |
| 2013 | 55,860 | -257 | -0.46% |
| 2012 | 56,117 | -409 | -0.72% |
| 2011 | 56,526 | -93 | -0.16% |
| 2010 | 56,619 | 0 | 0% |
| 1990 | 59,733 | -2,168 | -3.5% |
| 1980 | 61,901 | 1,205 | 1.99% |
| 1970 | 60,696 | 1,370 | 2.31% |
| 1960 | 59,326 | 6,348 | 11.98% |
| 1950 | 52,978 | 4,479 | 9.24% |
| 1940 | 48,499 | 558 | 1.16% |
| 1930 | 47,941 | 4,765 | 11.04% |
| 1920 | 43,176 | 755 | 1.78% |
| 1910 | 42,421 | 1,258 | 3.06% |
| 1900 | 41,163 | 294 | 0.72% |
| 1890 | 40,869 | 3,922 | 10.62% |
| 1880 | 36,947 | 6,120 | 19.85% |
| 1870 | 30,827 | -41 | -0.13% |
| 1860 | 30,868 | 3,764 | 13.89% |
| 1850 | 27,104 | 8,976 | 49.51% |
| 1840 | 18,128 | 12,969 | 251.39% |
| 1830 | 5,159 | -49,326 | -90.53% |
White
Two or more races
Black or African American
Other race
Asian
Native American
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 21,910 | 2.38 | 72 | 28 |
| Married | 10,256 | 3.01 | 87.5 | 12.5 |
| Non Family | 7,946 | 1.2 | 60.5 | 39.5 |
| Female | 2,493 | 3.11 | 48.6 | 51.4 |
| Male | 1,215 | 3.25 | 65 | 35 |
2.94
Average Family Size
2.38
Average Household Size
72.0%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among white people with a rate of 93.91%.
The highest rate of bachelors degrees is among asian people with a rate of 52.5%.
All
Male
Female
$41,143
Average Earnings
$48,023
Average Male
$33,490
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
96.76% of Seneca County, Ohio residents speak only English, while 3.24% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 2.02% of the population.
rate
11.63%
Overall Poverty Rate
10.01%
Male Poverty Rate
13.25%
Female Poverty Rate
The race most likely to be in poverty in Seneca County, Ohio is Black, with 41.32% below the poverty level.
The race least likely to be in poverty in Seneca County, Ohio is Other, with 4.76% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 2.16%. Among those working part-time, it was 13.36%, and for those that did not work, the poverty rate was 19.8%.
Married
Widowed
Divorced
Separated
NeverMarried
46.9%
Overall Marriage Rate
47.1%
Male Marriage Rate
46.8%
Female Marriage Rate
male
female
The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 55-64.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
6.52%
Veteran Poverty Rate
30.04%
Veteran Disability Rate
LaborForceParticipation
62.6%
Labor Force Participation
59.9%
Employment Rate
4.2%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
87.82%
Born in Seneca County, Ohio
98.51%
Native Born
1.49%
Foreign Born
0.68%
Non Citizen
0.81%
Naturalized
98.51% of Seneca County, Ohio residents were born in the United States, with 87.82% having been born in Ohio. 0.68% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.