Ottawa is a city located in Putnam County Ohio. Ottawa has a 2024 population of 4,403. It is also the county seat of Putnam County. Ottawa is currently declining at a rate of -0.25% annually and its population has decreased by -1.03% since the most recent census, which recorded a population of 4,449 in 2020.
The average household income in Ottawa is $77,201 with a poverty rate of 10.34%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Ottawa is 42.2 years, 34.9 years for males, and 47.4 years for females.
According to the most recent ACS, the racial composition of Ottawa was:
White
Two or more races
Other race
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 1,750 | 2.5 | 73.2 | 26.8 |
| Married | 886 | 3.61 | 86.1 | 13.9 |
| Non Family | 734 | 1.11 | 58.3 | 41.7 |
| Female | 96 | 2.72 | 58.3 | 41.7 |
| Male | 34 | 2.94 | 100 | 0 |
3.46
Average Family Size
2.5
Average Household Size
73.2%
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 black people with a rate of 100%.
The highest rate of bachelors degrees is among white people with a rate of 40.33%.
All
Male
Female
$51,086
Average Earnings
$76,452
Average Male
$40,192
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
97.18% of Ottawa residents speak only English, while 2.82% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 1.9% of the population.
rate
10.34%
Overall Poverty Rate
6.04%
Male Poverty Rate
14.29%
Female Poverty Rate
The race most likely to be in poverty in Ottawa is Native, with 100% below the poverty level.
The race least likely to be in poverty in Ottawa is Multiple, with 1.94% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 17.78%, and for those that did not work, the poverty rate was 15.27%.
Married
Widowed
Divorced
Separated
NeverMarried
51.1%
Overall Marriage Rate
59.1%
Male Marriage Rate
44.1%
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 45-54.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
3.36%
Veteran Poverty Rate
0%
Veteran Disability Rate
LaborForceParticipation
58%
Labor Force Participation
58%
Employment Rate
0%
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
88.85%
Born in Ottawa
98.9%
Native Born
1.1%
Foreign Born
0%
Non Citizen
1.1%
Naturalized
98.9% of Ottawa residents were born in the United States, with 88.85% having been born in Ohio. 0% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 4,345 | -12 | -0.28% |
| 2028 | 4,357 | -11 | -0.25% |
| 2027 | 4,368 | -12 | -0.27% |
| 2026 | 4,380 | -11 | -0.25% |
| 2025 | 4,391 | -12 | -0.27% |
| 2024 | 4,403 | -11 | -0.25% |
| 2023 | 4,414 | -12 | -0.27% |
| 2022 | 4,426 | -10 | -0.23% |
| 2021 | 4,436 | -13 | -0.29% |
| 2020 | 4,449 | 99 | 2.28% |
| 2019 | 4,350 | 6 | 0.14% |
| 2018 | 4,344 | -6 | -0.14% |
| 2017 | 4,350 | -27 | -0.62% |
| 2016 | 4,377 | -7 | -0.16% |
| 2015 | 4,384 | -32 | -0.72% |
| 2014 | 4,416 | 13 | 0.3% |
| 2013 | 4,403 | -11 | -0.25% |
| 2012 | 4,414 | -26 | -0.59% |
| 2011 | 4,440 | -15 | -0.34% |
| 2010 | 4,455 | 88 | 2.02% |
| 2000 | 4,367 | 368 | 9.2% |
| 1990 | 3,999 | 125 | 3.23% |
| 1980 | 3,874 | 252 | 6.96% |
| 1970 | 3,622 | 377 | 11.62% |
| 1960 | 3,245 | 283 | 9.55% |
| 1950 | 2,962 | 0 | 0% |