Total Population in Morris County, NJ
ACS 2024 5-Year Estimates
514,528
Rank #143/3,222 · #10 in NJ
96th
Morris 514,528
NJ 9,343,809 -94.5%
US 330M
Total Population Trend
Rankings →Percentile Rank Over Time
Year-over-Year Population Change
National Distribution
How Morris County's total population of 514,528 compares to all 3,222 U.S. counties. Values range from 33 to 9,808,667.
Distribution of Total Population Across All Counties
Ranking Context
Counties ranked closest to Morris County for total population.
Nearby Rankings
Full ranking →| #140 | Ada County, ID | 518,935 |
| #141 | Kane County, IL | 517,255 |
| #142 | Clark County, WA | 516,959 |
| #143 | Morris County, NJ | 514,528 |
| #144 | Polk County, IA | 503,175 |
| #145 | Lake County, IN | 500,379 |
| #146 | Washoe County, NV | 497,200 |
About Total Population
Morris County, New Jersey has a total population of 514,528, ranking #143 of 3,222 counties nationwide — 99.8% below the national value of 330M. Within New Jersey, it ranks #10 of 21. This places it in the 96th percentile nationally.
Total population count from the American Community Survey. Source: U.S. Census Bureau, American Community Survey 2024 5-Year Estimates. All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.