Morris County, New Jersey

Morris County population, land area and income

Morris County had 523,053 residents in the Census Vintage 2024 estimate, on 461.0 square miles of land. It ranks 10th of 21 in New Jersey by population and 7th by land area. That works out to 1,134.5 people per square mile, 11.8 times the US average of 96.3, and in the top tenth nationally.

The median county-equivalent in New Jersey has 475,515 residents, about the same as Morris County.

Its SAIPE 2023 median household income of $134,308 is in the top tenth among 3,143 counties with an estimate.

How Morris County's population changed since 2020

Morris County gained 14,581 residents between the July 2020 and July 2024 estimates, a rise of 2.9%. That ranks 7th of 21 in New Jersey for growth. The median New Jersey county changed by +2.3%, and the state as a whole by +2.5%.

Since the April 2020 estimates base, Morris County recorded 21,045 births and 18,379 deaths, a natural change of +2,666. Net international migration added +12,778 and net domestic migration, people moving to or from other US counties, came to -1,855. The largest single component was international migration, which added 12,778 people.

Where Morris County is

The Census internal point of Morris County is at 40.858900, -74.547300. It sits in UTM zone 18N. The map shades New Jersey's 21 county-equivalents by population change from 2020 to 2024, darker for faster growth, with Morris County outlined. Dots are towns of 1,000+ people with residents in it.

Towns in Morris County

19 incorporated places of 1,000+ people have residents in Morris County, 166,685 people together, or 32% of the county. Each figure counts only the part of the town inside Morris County; towns marked "part" extend into another county. The largest is Morristown with 20,732.

Counties bordering Morris County

The Census 2024 county adjacency file lists 7 neighbors for Morris County. The most populous is Essex County, NJ, with 881,527 residents. Distances run between Census internal points in a straight line.

• Essex County

  881,527 people

  16 mi ESE

• Union County

  594,160 people

  19 mi SE

• Passaic County

  526,597 people

  18 mi NE

• Somerset County

  357,467 people

  21 mi S

• Sussex County

  147,444 people

  21 mi NNW

• Hunterdon County

  131,708 people

  28 mi SW

• Warren County

  112,031 people

  24 mi W

Distance to Trenton and the nearest big city

Trenton is 45.4 miles SSW of Morris County's internal point in a straight line. The nearest place of 100,000 or more is Paterson, NJ (population 160,463), 20.4 miles away. The nearest place of 10,000 or more is Dover, NJ (population 18,909), 1.9 miles away.

Morris County FIPS code

The FIPS code of Morris County is 34027: state code 34 for New Jersey plus county code 027. Use it as text, with the leading zero, when joining Census, BLS, or CDC county tables. SAIPE lists its 2023 median household income as $134,308.