Morris County, New Jersey Age & Gender Distribution (2024)
Population distribution by age and gender for Morris County, New Jersey
Morris County, New Jersey Age & Gender Statistics (2024)
Total Population
514,528
Median Age
42.6
Male Median
41.5
Female Median
43.8
Morris County, New Jersey Population Growth

Morris County, New Jersey Demographic Trend
Since 2010, the population of has changed by +5.0%%.
+5.0%% Growth
Morris County, New Jersey Age & Gender Pyramid

Figure 2: Population distribution by age and gender for 2024.
Morris County, New Jersey Historical Population Data
| Year | Median Age | Population |
|---|---|---|
| 2024 | 42.6 | 514,528 |
| 2023 | 42.7 | 510,375 |
| 2022 | 42.7 | 508,816 |
| 2021 | 42.7 | 508,347 |
| 2020 | 42.8 | 492,715 |
| 2019 | 42.8 | 493,379 |
| 2018 | 42.6 | 494,383 |
| 2017 | 42.3 | 498,847 |
| 2016 | 42.2 | 498,215 |
| 2015 | 42.0 | 498,192 |
| 2014 | 41.8 | 497,103 |
| 2013 | 41.5 | 495,261 |
| 2012 | 41.2 | 493,472 |
| 2011 | 40.9 | 491,307 |
| 2010 | 40.5 | 489,811 |
Morris County, New Jersey Age Group Breakdown (2024)
| Age Cohort | Percentage |
|---|---|
| Under 5 | 5.0% |
| 5–17 | 15.6% |
| 18–24 | 8.1% |
| 25–34 | 11.3% |
| 35–54 | 26.9% |
| 55–64 | 14.9% |
| 65+ | 18.2% |
Dependency Ratios for Morris County, New Jersey
- Total Dependency Ratio:
- 63.5
- Youth Dependency:
- 33.8
- Old-Age Dependency:
- 29.8
The dependency ratio measures dependents (ages 0-17 and 65+) per 100 working-age individuals (ages 18-64).
Age & Gender FAQs for Morris County, New Jersey
The median age in Morris County, New Jersey is 42.6 years.
According to latest Census data, the total population of Morris County, New Jersey is 514,528.
In Morris County, New Jersey, seniors (ages 65+) make up 18.2% of the population, while children under 18 represent 15.6%.
Based on historical data since 2010, the population in Morris County, New Jersey is aging.