Morris County Demographics

A map of Morris County's Population by Race

Race	2024 Pop	2020 Pop	2024 %	2020 %
White	338,541	341,175	65.8%	67.0%
Hispanic	82,208	76,661	16.0%	15.1%
Asian	55,146	57,700	10.7%	11.3%
Multiracial	19,194	15,360	3.7%	3.0%
Black	15,580	15,586	3.0%	3.1%
Native American/Other	3,859	2,803	0.8%	0.6%

Morris County, New Jersey has an estimated population of 514,528, a slight increase from the 509,285 recorded in the 2020 Census. The population is 65.8% White, 16.0% Hispanic, 10.7% Asian, 3.7% Multiracial, 3.0% Black, and 0.8% Native American/Other. This demographic dot map shows the population of Morris County, with one dot drawn for each person counted by the Census, color-coded by race.

Morris has become more racially diverse since the 2020 Census. It is considerably less diverse than New Jersey overall. Demographers use a diversity index to measure the probability that two randomly selected individuals belong to different racial or ethnic groups. In Morris County, that probability was 51.4% in 2020 and 52.8% in the most recent ACS estimates.

Morris County is ranked the 10th most populous county in New Jersey, out of 21 counties. Morris County was ranked the 10th most populous county in the 2020 Census.

Morris County's White Population

338,541 residents of Morris County, or 65.8% of the population, identify as White. The share of White residents in Morris County is considerably higher than in New Jersey overall, where 50.9% of the population is White. Morris County ranks 9th statewide in terms of White residents as a share of the population, out of 21 counties.

Since the 2020 Census, Morris County's White population has remained roughly the same. White residents' share of Morris County's population has decreased from 67.0% to 65.8%.

Morris County is more White than neighboring Passaic County (37.9% White), Essex County (27.3% White), Somerset County (49.3% White), and Union County (35.4% White). Morris County is less White than neighboring Sussex County (79.7% White).

Morris County's Black Population

15,580 residents of Morris County, or 3.0% of the population, identify as Black. The share of Black residents in Morris County is lower than in New Jersey overall, where 12.2% of the population is Black. Morris County ranks 18th statewide in terms of Black residents as a share of the population, out of 21 counties.

Since the 2020 Census, Morris County's Black population has remained roughly the same. Black residents' share of Morris County's population has remained roughly unchanged at 3.0%.

Morris County is more Black than neighboring Sussex County (1.7% Black). Morris County is less Black than neighboring Passaic County (9.7% Black), Essex County (35.4% Black), Somerset County (9.3% Black), and Union County (19.1% Black).

Morris County's Asian Population

55,146 residents of Morris County, or 10.7% of the population, identify as Asian. The share of Asian residents in Morris County is comparable to the share in New Jersey overall, where 10% of the population is Asian. Morris County ranks 6th statewide in terms of Asian residents as a share of the population, out of 21 counties.

Since the 2020 Census, Morris County's Asian population has declined by an estimated 4.4%. Asian residents' share of Morris County's population has decreased from 11.3% to 10.7%.

Morris County is more Asian than neighboring Passaic County (5.4% Asian), Essex County (6% Asian), Union County (5.6% Asian), and Sussex County (2% Asian). Morris County is less Asian than neighboring Somerset County (19.6% Asian).

Morris County's Hispanic Population

82,208 residents of Morris County, or 16.0% of the population, identify as Hispanic. The share of Hispanic residents in Morris County is lower than in New Jersey overall, where 22.5% of the population is Hispanic. Morris County ranks 12th statewide in terms of Hispanic residents as a share of the population, out of 21 counties.

Since the 2020 Census, Morris County's Hispanic population has grown by an estimated 7.2%. Hispanic residents' share of Morris County's population has increased from 15.1% to 16.0%.

Morris County is more Hispanic than neighboring Sussex County (11.9% Hispanic). Morris County is less Hispanic than neighboring Passaic County (44.3% Hispanic), Essex County (25.2% Hispanic), Somerset County (17.6% Hispanic), and Union County (35.2% Hispanic).

Morris County's Native American/Other Population

3,859 residents of Morris County, or 0.8% of the population, identify as American Indian/Alaska Native/Native Hawaiian/Pacific Islander/Other. The share of Native American/Other residents in Morris County is comparable to the share in New Jersey overall, where 0.9% of the population is Native American/Other. Morris County ranks 18th statewide in terms of Native American/Other residents as a share of the population, out of 21 counties.

Since the 2020 Census, Morris County's Native American/Other population has grown by an estimated 37.7%. Native American/Other residents' share of Morris County's population has remained roughly unchanged at 0.8%.

Morris County is more Native American/Other than neighboring Passaic County (0.6% Native American/Other), Somerset County (0.7% Native American/Other), and Sussex County (0.7% Native American/Other). Morris County is less Native American/Other than neighboring Essex County (1.6% Native American/Other), and Union County (1.3% Native American/Other).

Morris County's Multiracial Population

19,194 residents of Morris County, or 3.7% of the population, identify as Multiracial. The share of Multiracial residents in Morris County is comparable to the share in New Jersey overall, where 3.5% of the population is Multiracial. Morris County ranks 15th statewide in terms of Multiracial residents as a share of the population, out of 21 counties.

Since the 2020 Census, Morris County's Multiracial population has grown by an estimated 25.0%. Multiracial residents' share of Morris County's population has increased from 3.0% to 3.7%.

Morris County is more Multiracial than neighboring Passaic County (2% Multiracial), Somerset County (3.6% Multiracial), and Union County (3.4% Multiracial). Morris County is less Multiracial than neighboring Essex County (4.6% Multiracial), and Sussex County (4% Multiracial).

Sources: Most recent population estimates are from the 2020-2024 American Community Survey 5-Year Estimates. 2020 population counts and map data are from 2020 Census State Redistricting Data. Geographic data are from Census TIGER/Line Shapefiles.