Morris County, New Jersey Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 10th-largest in New Jersey
The population of Morris County, New Jersey is 510,375 as of the 2023 American Community Survey, making it the 10th-largest county in New Jersey. The median household income is $134,929, the median home value is $557,000, and the median age is 42.7.
The population of Morris County has grown 6.2% since 2010 (492,623 → 523,053), a +0.43% annualized rate.
510,375
Population
+0.43%
Annual growth
1107
People / sq mi
$134,929
Median Income
$557,000
Median Home Value
Morris County covers 461 sq mi of land at 1107.0 people per square mile.
About Morris County, NJ
What sets Morris County apart is money: median household income runs $134,929, above the US median of $78,538. With 510,375 residents, Morris County is a county in New Jersey. It is the #10-largest of all counties in New Jersey nationally.
Households here are among the highest-earning of all US counties: median income is $134,929, above the US median of $78,538. Very few residents live in poverty — 3.4%, below the national 12.4%. Housing is expensive: the median home is worth $557,000, with typical rent around $1,860.
Degree attainment is near the top of the range for US counties: 57.2% of adults 25+ hold a bachelor’s, above the 35.0% national rate. Working from home is common here: 19.6% of workers do so, above the national 14.0%, and the average commute runs about 30 minutes each way.
Taken together, the income and housing figures place Morris County firmly in the higher-cost, higher-earning tier of US counties — a profile that tends to track dense job markets and competitive housing.
Morris County Population History (2010-2024)
The county of Morris County had a population of 492,623 in 2010 and 523,053 in 2024, a 6.2% growth over 14 years. The peak was 523,053 in 2024. Average annual growth rate: 0.43%.
523,053
Population (2024)
492,623
Population (2010)
523,053
Peak (2024)
0.43%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 492,623 |
| 2011 | 494,801 |
| 2012 | 495,623 |
| 2013 | 496,050 |
| 2014 | 494,931 |
| 2015 | 494,370 |
| 2016 | 493,831 |
| 2017 | 493,994 |
| 2018 | 493,084 |
| 2019 | 491,577 |
| 2020 | 508,472 |
| 2021 | 510,691 |
| 2022 | 512,685 |
| 2023 | 517,738 |
| 2024 | 523,053 |
Race & Ethnicity
| White | 71.0% |
| Black or African American | 3.3% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.6% |
| Two or More Races | 0.0% |
Age & Sex
42.7
Median Age
50.4%
Female
49.6%
Male
17.8%
Age 65+
Age Distribution
Children (under 15): 16.8% · Seniors (65+): 17.8%
Income & Poverty
| Median household income | $134,929+$33,879 vs state |
| Mean household income | $181,402 |
| Per-capita income | $69,226 |
| Poverty rate | 3.4%-3.6% vs state |
| Unemployment rate | 3.6% |
| Employment-to-population | 64.8% |
Top Industries by Employment
The largest employment sector in Morris County is professional & business services, accounting for 22.7% of workers.
How residents commute
3.5%
Drive alone
1.7%
Carpool
68.1%
Public transit
19.6%
Work from home
30.1 min
Avg commute
Housing
$557,000+$129,400 vs state
Median home value
$1,860
Median rent
73.9%
Homeownership rate
198,611
Total housing units
96.6%
Occupied
3.4%
Vacant
26.1%
Renter-occupied
Social & access
95.3%
With health insurance
96.7%
With broadband internet
21.3%
Foreign-born
3.5%
Veterans (18+)
8.8%
With a disability
74.1%
Speak language other than English at home
Education
95.1%
High School+
57.2%
Bachelor's+
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County rankings
Common questions about Morris County, NJ
Frequently Asked Questions
Morris County, New Jersey has a population of 510,375 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 10th-largest county in New Jersey. Population density is 1107 people per square mile.
The population of Morris County has grown 6.2% since 2010 (492,623 → 523,053), a +0.43% annualized rate.
The median household income in Morris County, New Jersey is $134,929, with mean (average) household income of $181,402 and per-capita income of $69,226. 3.4% of residents live below the federal poverty level.
In Morris County, the largest racial and ethnic groups are White (71.0%), Black or African American (3.3%), Hispanic or Latino (0.6%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Morris County, New Jersey is 42.7 years. Residents are 50.4% female and 49.6% male.
The median home value in Morris County is $557,000 and median monthly rent is $1,860. 73.9% of occupied housing units are owner-occupied. The county has 198,611 total housing units, 3.4% of which are vacant.
The largest employment sector in Morris County, New Jersey is professional, scientific, and management services, employing 22.7% of workers. The unemployment rate is 3.6%.
Newark is among the largest cities associated with Morris County, New Jersey, with a population of 307,188.
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.