Cumberland County, New Jersey Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 16th-largest in New Jersey
The population of Cumberland County, New Jersey is 152,915 as of the 2023 American Community Survey, making it the 16th-largest county in New Jersey. The median household income is $64,499, the median home value is $205,600, and the median age is 37.6.
The population of Cumberland County has declined 0.6% since 2010 (156,667 → 155,678), a -0.05% annualized rate.
152,915
Population
-0.05%
Annual growth
316
People / sq mi
$64,499
Median Income
$205,600
Median Home Value
Cumberland County covers 483 sq mi of land at 316.3 people per square mile.
About Cumberland County, NJ
Cumberland County is distinguished by its share of foreign-born residents, 14.9% of the population. With 152,915 residents, Cumberland County is a county in New Jersey. It ranks #16 among counties in New Jersey by population.
Household earnings are middling, with a median of $64,499 — below the US median of $78,538. Poverty sits at 12.7%, close to the national 12.4%. Homes carry a median value of $205,600, with typical rent around $1,254.
Fewer adults hold degrees here than in most comparable places — 17.9%, below the national 35.0%. Remote work is on the lower side here, at 4.9%, below the national 14.0%, and the average commute runs about 25 minutes each way.
Cumberland County Population History (2010-2024)
The county of Cumberland County had a population of 156,667 in 2010 and 155,678 in 2024, a -0.6% growth over 14 years. The peak was 157,028 in 2011. Average annual growth rate: -0.04%.
155,678
Population (2024)
156,667
Population (2010)
157,028
Peak (2011)
-0.04%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 156,667 |
| 2011 | 157,028 |
| 2012 | 156,862 |
| 2013 | 155,912 |
| 2014 | 155,887 |
| 2015 | 154,580 |
| 2016 | 153,003 |
| 2017 | 151,147 |
| 2018 | 150,274 |
| 2019 | 148,995 |
| 2020 | 153,724 |
| 2021 | 152,100 |
| 2022 | 151,686 |
| 2023 | 153,338 |
| 2024 | 155,678 |
Race & Ethnicity
| White | 52.0% |
| Black or African American | 18.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 3.0% |
| Two or More Races | 0.0% |
Age & Sex
37.6
Median Age
49.0%
Female
51.0%
Male
15.6%
Age 65+
Age Distribution
Children (under 15): 20.2% · Seniors (65+): 15.6%
Income & Poverty
| Median household income | $64,499$-36,551 vs state |
| Mean household income | $94,856 |
| Per-capita income | $33,587 |
| Poverty rate | 12.7%+5.7% vs state |
| Unemployment rate | 4.3% |
| Employment-to-population | 53.0% |
Top Industries by Employment
The largest employment sector in Cumberland County is professional & business services, accounting for 26.6% of workers.
How residents commute
1.1%
Drive alone
1.3%
Carpool
78.0%
Public transit
4.9%
Work from home
25.0 min
Avg commute
Housing
$205,600$-222,000 vs state
Median home value
$1,254
Median rent
65.6%
Homeownership rate
57,203
Total housing units
93.2%
Occupied
6.8%
Vacant
34.4%
Renter-occupied
Social & access
89.8%
With health insurance
92.6%
With broadband internet
14.9%
Foreign-born
4.8%
Veterans (18+)
14.8%
With a disability
70.1%
Speak language other than English at home
Education
81.3%
High School+
17.9%
Bachelor's+
Largest cities in New Jersey
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Part of New Jersey
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County rankings
Frequently Asked Questions
Cumberland County, New Jersey has a population of 152,915 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 16th-largest county in New Jersey. Population density is 316 people per square mile.
The population of Cumberland County has declined 0.6% since 2010 (156,667 → 155,678), a -0.05% annualized rate.
The median household income in Cumberland County, New Jersey is $64,499, with mean (average) household income of $94,856 and per-capita income of $33,587. 12.7% of residents live below the federal poverty level.
In Cumberland County, the largest racial and ethnic groups are White (52.0%), Black or African American (18.1%), Hispanic or Latino (3.0%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.
The median age in Cumberland County, New Jersey is 37.6 years. Residents are 49.0% female and 51.0% male.
The median home value in Cumberland County is $205,600 and median monthly rent is $1,254. 65.6% of occupied housing units are owner-occupied. The county has 57,203 total housing units, 6.8% of which are vacant.
The largest employment sector in Cumberland County, New Jersey is professional, scientific, and management services, employing 26.6% of workers. The unemployment rate is 4.3%.
Newark is among the largest cities associated with Cumberland County, New Jersey, with a population of 307,188.
Cumberland County, NJ Climate
Cumberland County, NJ has an average annual temperature of 12.7°C (55°F) and receives about 1086 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
12.7°C
Avg Temp
1086
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | 1° / 33° | 88 mm |
| February | 2° / 35° | 79 mm |
| March | 6° / 43° | 100 mm |
| April | 11° / 52° | 91 mm |
| May | 17° / 62° | 96 mm |
| June | 22° / 71° | 83 mm |
| July | 24° / 76° | 96 mm |
| August | 24° / 74° | 106 mm |
| September | 20° / 68° | 91 mm |
| October | 14° / 57° | 80 mm |
| November | 9° / 47° | 84 mm |
| December | 4° / 38° | 92 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Cumberland County, NJ
The most comfortable months to visit Cumberland County, NJ are typically June, September and August, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 30°C high). The coldest is January (near -4°C low). August is usually the wettest month.
Where to stay near Cumberland County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.