Placer County, California Age & Gender Distribution (2024)
Population distribution by age and gender for Placer County, California
Placer County, California Age & Gender Statistics (2024)
Total Population
419,156
Median Age
42.5
Male Median
41.1
Female Median
43.7
Placer County, California Population Growth
Placer County, California Demographic Trend
Since 2010, the population of has changed by +24.6%%.
+24.6%% Growth
Placer County, California Age & Gender Pyramid
Figure 2: Population distribution by age and gender for 2024.
Placer County, California Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 42.5 | 419,156 |
| 2023 | 42.4 | 412,435 |
| 2022 | 42.3 | 406,608 |
| 2021 | 42.1 | 400,330 |
| 2020 | 42.2 | 391,799 |
| 2019 | 42.0 | 385,512 |
| 2018 | 41.9 | 380,077 |
| 2017 | 41.6 | 374,985 |
| 2016 | 41.5 | 370,571 |
| 2015 | 41.0 | 366,280 |
| 2014 | 40.7 | 361,518 |
| 2013 | 40.4 | 355,924 |
| 2012 | 40.2 | 350,074 |
| 2011 | 40.0 | 343,554 |
| 2010 | 39.8 | 336,477 |
Placer County, California Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.0% |
| 5–17 | 16.8% |
| 18–24 | 7.2% |
| 25–34 | 10.8% |
| 35–54 | 26.8% |
| 55–64 | 12.9% |
| 65+ | 20.5% |
Dependency Ratios for Placer County, California
- Total Dependency Ratio:
- 73.2
- Youth Dependency:
- 37.7
- Old-Age Dependency:
- 35.5
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Placer County, California
The median age in Placer County, California is 42.5 years.
According to latest Census data, the total population of Placer County, California is 419,156.
In Placer County, California, seniors (ages 65+) make up 20.5% of the population, while children under 18 represent 16.8%.
Based on historical data since 2010, the population in Placer County, California is aging.