Ottawa County, Michigan Age & Gender Distribution (2024)
Population distribution by age and gender for Ottawa County, Michigan
Ottawa County, Michigan Age & Gender Statistics (2024)
Total Population
301,203
Median Age
36.5
Male Median
35.8
Female Median
37.1
Ottawa County, Michigan Population Growth
Ottawa County, Michigan Demographic Trend
Since 2010, the population of has changed by +15.2%%.
+15.2%% Growth
Ottawa County, Michigan Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Ottawa County, Michigan Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 36.5 | 301,203 |
| 2023 | 36.3 | 298,614 |
| 2022 | 35.8 | 296,183 |
| 2021 | 35.6 | 293,713 |
| 2020 | 35.5 | 289,162 |
| 2019 | 35.2 | 286,558 |
| 2018 | 35.0 | 284,034 |
| 2017 | 34.9 | 280,243 |
| 2016 | 34.7 | 276,583 |
| 2015 | 34.7 | 273,136 |
| 2014 | 34.7 | 269,795 |
| 2013 | 34.6 | 267,017 |
| 2012 | 34.6 | 264,835 |
| 2011 | 34.3 | 263,037 |
| 2010 | 34.0 | 261,376 |
Ottawa County, Michigan Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.5% |
| 5–17 | 17.5% |
| 18–24 | 12.9% |
| 25–34 | 12.2% |
| 35–54 | 23.3% |
| 55–64 | 11.8% |
| 65+ | 16.7% |
Dependency Ratios for Ottawa County, Michigan
- Total Dependency Ratio:
- 65.9
- Youth Dependency:
- 38.1
- Old-Age Dependency:
- 27.7
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Ottawa County, Michigan
The median age in Ottawa County, Michigan is 36.5 years.
According to latest Census data, the total population of Ottawa County, Michigan is 301,203.
In Ottawa County, Michigan, seniors (ages 65+) make up 16.7% of the population, while children under 18 represent 17.5%.
Based on historical data since 2010, the population in Ottawa County, Michigan is aging.