Washtenaw County, Michigan Age & Gender Distribution (2024)
Population distribution by age and gender for Washtenaw County, Michigan
Washtenaw County, Michigan Age & Gender Statistics (2024)
Total Population
369,822
Median Age
35.0
Male Median
34.0
Female Median
36.1
Washtenaw County, Michigan Population Growth
Washtenaw County, Michigan Demographic Trend
Since 2010, the population of has changed by +7.5%%.
+7.5%% Growth
Washtenaw County, Michigan Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Washtenaw County, Michigan Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 35.0 | 369,822 |
| 2023 | 34.8 | 368,394 |
| 2022 | 34.4 | 370,231 |
| 2021 | 34.1 | 372,428 |
| 2020 | 33.9 | 368,385 |
| 2019 | 33.6 | 367,000 |
| 2018 | 33.4 | 365,961 |
| 2017 | 33.4 | 361,509 |
| 2016 | 33.4 | 358,082 |
| 2015 | 33.4 | 354,092 |
| 2014 | 33.3 | 351,454 |
| 2013 | 33.3 | 348,560 |
| 2012 | 33.1 | 346,010 |
| 2011 | 32.8 | 344,727 |
| 2010 | 32.8 | 343,947 |
Washtenaw County, Michigan Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 4.6% |
| 5–17 | 13.7% |
| 18–24 | 17.6% |
| 25–34 | 14.2% |
| 35–54 | 23.1% |
| 55–64 | 11.2% |
| 65+ | 15.7% |
Dependency Ratios for Washtenaw County, Michigan
- Total Dependency Ratio:
- 51.5
- Youth Dependency:
- 27.6
- Old-Age Dependency:
- 23.9
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Washtenaw County, Michigan
The median age in Washtenaw County, Michigan is 35.0 years.
According to latest Census data, the total population of Washtenaw County, Michigan is 369,822.
In Washtenaw County, Michigan, seniors (ages 65+) make up 15.7% of the population, while children under 18 represent 13.7%.
Based on historical data since 2010, the population in Washtenaw County, Michigan is aging.