2020 census
As of the 2020 census, the county had a population of 154,152. The median age was 38.2 years. 23.2% of residents were under the age of 18 and 15.9% of residents were 65 years of age or older. For every 100 females there were 104.6 males, and for every 100 females age 18 and over there were 105.3 males age 18 and over.
The racial makeup of the county was 48.4% White, 18.5% Black or African American, 1.5% American Indian and Alaska Native, 1.4% Asian, <0.1% Native Hawaiian and Pacific Islander, 18.2% from some other race, and 11.9% from two or more races. Hispanic or Latino residents of any race comprised 34.4% of the population.
There were 52,649 households in the county, of which 33.9% had children under the age of 18 living in them. Of all households, 41.0% were married-couple households, 17.7% were households with a male householder and no spouse or partner present, and 32.2% were households with a female householder and no spouse or partner present. About 25.5% of all households were made up of individuals and 12.2% had someone living alone who was 65 years of age or older.
Racial and ethnic composition
{| class="wikitable sortable" style="text-align:center;"
|+Cumberland County, New Jersey – Racial and ethnic composition<br><small></small>
!Race / Ethnicity <small>(NH = Non-Hispanic)</small>
!Pop 1980
!Pop 1990
!Pop 2000
!Pop 2010
!style="background-color: #ffffb3;" | Pop 2020
!% 1980
!% 1990
!% 2000
!% 2010
!style="background-color: #ffffb3;" |% 2020
|-
|White alone (NH)
|98,735
|95,129
|85,510
|78,931
|style='background: #ffffe6; |65,808
|74.31%
|68.91%
|58.39%
|50.31%
|style='background: #ffffe6; |42.69%
|-
|Black or African American alone (NH)
|19,449
|22,167
|28,134
|29,376
|style='background: #ffffe6; |26,375
|14.64%
|16.06%
|19.21%
|18.72%
|style='background: #ffffe6; |17.11%
|-
|Native American or Alaska Native alone (NH)
|745
|1,203
|1,077
|1,102
|style='background: #ffffe6; |905
|0.56%
|0.87%
|0.74%
|0.70%
|style='background: #ffffe6; |0.59%
|-
|Asian alone (NH)
|850
|1,063
|1,338
|1,854
|style='background: #ffffe6; |2,051
|0.64%
|0.77%
|0.91%
|1.18%
|style='background: #ffffe6; |1.33%
|-
|Native Hawaiian or Pacific Islander alone (NH)
|x
|x
|39
|31
|style='background: #ffffe6; |12
|x
|x
|0.03%
|0.02%
|style='background: #ffffe6; |0.01%
|-
|Other race alone (NH)
|562
|143
|136
|216
|style='background: #ffffe6; |595
|0.42%
|0.10%
|0.09%
|0.14%
|style='background: #ffffe6; |0.39%
|-
|Mixed race or Multiracial (NH)
|x
|x
|2,381
|2,931
|style='background: #ffffe6; |5,352
|x
|x
|1.63%
|1.87%
|style='background: #ffffe6; |3.47%
|-
|Hispanic or Latino (any race)
|12,525
|18,348
|27,823
|42,457
|style='background: #ffffe6; |53,054
|9.43%
|13.29%
|19.00%
|27.06%
|style='background: #ffffe6; |34.42%
|-
|Total
|132,866
|138,053
|146,438
|156,898
|style='background: #ffffe6; |154,152
|100.00%
|100.00%
|100.00%
|100.00%
|style='background: #ffffe6; |100.00%
|}
2010 census
The 2010 United States census counted 156,898 people, 51,931 households, and 36,559 families in the county. The population density was . There were 55,834 housing units at an average density of . The racial makeup was 62.74% (98,430) White, 20.23% (31,741) Black or African American, 1.11% (1,746) Native American, 1.22% (1,907) Asian, 0.04% (59) Pacific Islander, 11.15% (17,492) from other races, and 3.52% (5,523) from two or more races. Hispanic or Latino of any race were 27.06% (42,457) of the population.
Government
County government
thumb|Cumberland County Courthouse in [[Bridgeton, New Jersey|Bridgeton]]
Cumberland County is governed by a Board of County Commissioners which is comprised of seven members who are elected at large by the citizens of Cumberland County in partisan elections and serve staggered three-year terms in office, with either two or three seats coming up for election each year in a three-year cycle. Each Commissioner is assigned responsibility for one of the county's departments. In 2016, freeholders were paid $15,000 and the freeholder director was paid an annual salary of $16,000.
, members of the Cumberland County Board of County Commissioners (with party affiliation, residence, and term-end year listed in parentheses) are (with terms for director and deputy director ending every December 31):
{| class="wikitable sortable"
|-
! Commissioner
! Party, Residence, Term
|-
| Robert A. Austino
| D, Bridgeton, 2027
|-
| Deputy Director Antonio Romero
| R, Vineland, 2027
|-
| Douglas A. Albrecht
| R, Vineland, 2025
|-
| Victoria Groetsch-Lods
| R, Vineland, 2025
|-
| Arthur Marchand
| R, Hopewell Township, 2026
|-
| James Sauro
| R, Vineland, 2026
|-
| Sandra Taylor
| R, Downe Township, 2026
|}
Pursuant to Article VII Section II of the New Jersey State Constitution, each county in New Jersey has three elected administrative officials known as "constitutional officers." These officers are the County Clerk and County Surrogate (both elected for five-year terms of office) and the County Sheriff (elected for a three-year term). The county's constitutional officers are:
{| class="wikitable sortable"
|-
! Title
! Representative
|-
| County Clerk
| Celeste Riley (D, Bridgeton, 2029),
|-
| Sheriff
| Michael Donato (R, Bridgeton, 2026)
|-
| Surrogate
| Rudolph A. Luisi (R, Vineland, 2028). Cumberland County is a part of Vicinage 15 of the New Jersey Superior Court (along with Gloucester County and Salem County), seated in Woodbury in Gloucester County; the Assignment Judge for the vicinage is Benjamin C. Telsey. The Cumberland County Courthouse is in Bridgeton.
In January 2023, John P. Capizola Jr. was appointed to fill the commissioner seat expiring in December 2023 that had been held by George Castellini until he resigned from office earlier that month.
Federal representatives
New Jersey's 2nd congressional district includes all of Cumberland County.
State representatives
The 14 municipalities of Cumberland County are part of two legislative districts.
{| class="wikitable"
|+
!District
!Senate
!Assembly In 2007, while the state was preparing to close Riverfront State Prison in Camden, it considered establishing a fourth state prison in Cumberland County.
Politics
<!-- PresRow should be -->
Cumberland County tends to be a swing county with Republicans holding most countywide and state legislative offices, as well as the one congressional district that covers the county. Since 1936, the county has voted for the national winner of the presidential election all but five times. It voted Democratic from 1992 to 2020. County margins for Democrats have shrank since peaking in 2012.
In 2012, the county voted for Democrat Barack Obama by 24%. The county shifted 18% rightward from 2012 to 2016, despite the state shifting right by just 4%. In 2020, Democrat Joe Biden only won the county by 6%, even as he won New Jersey by 16%. In 2024, the county voted Republican for the first time since 1988. The county also voted Republican in the concurrent 2024 U.S. Senate election in New Jersey, for the first time since 1972.
As of April 1, 2024 there were a total of 96,165 registered voters in Cumberland County, of whom 31,945 (33.2%) were registered as Democrats, 23,867 (24.8%) were registered as Republicans, and 38,531 (40.1%) were registered as unaffiliated. There were 1,822 voters (1.9%) registered to other parties.
State elections
Municipalities
thumb|right|350px|Index map of Cumberland County Municipalities (click to see index key)
thumb|right|350px|1862 map
The 14 municipalities in Cumberland County (with most 2010 Census data for population, housing units, and area) are:
{| class="wikitable sortable"
|-
! Municipality<br>(with map key)
!Map key
! Municipal<br>type
! Population
! Housing<br>Units
! Total<br>Area
! Water<br>Area
! Land<br>Area
! Pop.<br>Density
! Housing<br>Density
!School District
! Communities
|-
|Bridgeton
|3|| city || 27,263 || 6,782 || 6.43 || 0.25 || 6.18 || 4,102.5 || 1,097.6
|Bridgeton||
|-
|Commercial Township
|13|| township || 4,669 || 2,115 || 34.44 || 2.31 || 32.13 || 161.2 || 65.8
|Millville (9-12) (S/R)<br>Commercial Township (PK-8)
| Buckshutem<br>Laurel Lake CDP (2,861)<br>Mauricetown CDP (403)<br>Money Island CDP (22)<br>Newport CDP (487)<br>Port Norris CDP (1,111)
|-
|Deerfield Township
|9|| township || 3,136 || 1,143 || 16.80 || 0.03 || 16.76 || 186.1 || 68.2
|Cumberland Regional (9-12)<br>Deerfield Township (PK-8)
| Rosenhayn CDP (1,150)
|-
|Downe Township
|12|| township || 1,399 || 996 || 54.27 || 5.66 || 48.61 || 32.6 || 20.5
|Bridgeton (9-12) (S/R)<br>Downe Township (PK-8)
| Dividing Creek CDP (345)<br>Fortescue CDP (189)<br>Gandys Beach CDP (25)<br>Newport
|-
|Fairfield Township
|10|| township || 5,546 || 2,058 || 43.95 || 2.69 || 41.26 || 152.6 || 49.9
|Cumberland Regional (9-12)<br>Fairfield Township (PK-8)
| Fairton CDP (1,060)<br>Gouldtown CDP (1,601)<br>Sea Breeze
|-
|Greenwich Township
|6|| township || 771 || 369 || 18.83 || 1.00 || 17.84 || 45.1 || 20.7
|Cumberland Regional (9-12)<br>Greenwich Township (K-8)
| Greenwich CDP (251)<br>Othello CDP (132)<br>Sheppards Mill CDP (part; 131)<br>Springtown
|-
|Hopewell Township
|7|| township || 4,391 || 1,741 || 30.83 || 0.95 || 29.87 || 153.0 || 58.3
|Cumberland Regional (9-12)<br>Hopewell Township (K-8)
| Bowentown<br>Dutch Neck CDP (123)<br>Lakeside-Beebe Run CDP (403)<br>Roadstown CDP (part; 155)<br>Sheppards Mill CDP (part; 131)<br>West Park CDP (1,506)
|-
|Lawrence Township
|11||township || 3,087 || 1,221|| 38.33 || 1.41 || 36.92 || 89.1 || 33.1
|Bridgeton (9-12) (S/R)<br>Millville (9-12) (S/R)<br>Lawrence Township (PK-8)|| Cedarville CDP (702)<br>Centre Grove CDP (1,281)
|-
|Maurice River Township
|14|| township || 6,218 || 1,506 || 95.76 || 2.65 || 93.11 || 85.7 || 16.2
|Millville (9-12) (S/R)<br>Maurice River Township (PK-8)
| Cumberland<br>Cumberland-Hesstown CDP (315)<br>Delmont CDP (122)<br>Dorchester CDP (291)<br>Heislerville CDP (227)<br>Leesburg CDP (601)<br>Milmay CDP (part; 919)<br>Port Elizabeth CDP (290)
|-
|Millville
|2|| city || 27,491 || 11,435 || 44.49 || 2.49 || 42.00 || 676.2 || 272.3
|Millville||
|-
|Shiloh
|4|| borough || 444 || 214 || 1.21 || 0.00 || 1.21 || 427.3 || 177.2
|Cumberland Regional (9-12)<br>Hopewell Township (K-8) (S/R)
|
|-
|Stow Creek Township
|5|| township || 1,312 || 568 || 18.85 || 0.55 || 18.30 || 78.2 || 31.0
|Cumberland Regional (9-12)<br>Stow Creek (K-8)
| Arrowhead Lake CDP (126)<br>Jericho<br>Marlboro CDP (127)<br>Roadstown CDP (part; 155)
|-
|Upper Deerfield Township
|8|| township || 7,645 || 3,025 || 31.27 || 0.18 || 31.10 || 246.3 || 97.3
|Cumberland Regional (9-12)<br>Upper Deerfield Township (PK-8)
| Carlls Corner CDP (911)<br>Deerfield Street CDP (230)<br>Laurel Heights CDP (380)<br>Seabrook<br>Seabrook Farms CDP (1,508)<br>Seeley CDP (152)<br>Silver Lake CDP (1,435)<br>Sunset Lake CDP (494)
|-
|Vineland
|1|| city || 60,780 || 22,661 || 69.03 || 0.61 || 68.42 || 887.5 || 331.2
|Vineland||
|-
|Cumberland County
| || county || 154,152 || 55,834 || 677.62 || 193.92 || 483.70 || 324.4 || 115.4
| ||
|-
|}
Transportation
Airports
The following public-use airports are located in Cumberland County:
- Bucks Airport (00N) in Bridgeton
- Millville Municipal Airport (MIV) in Millville
- Kroelinger Airport (29N) in Vineland
Roads and highways
, the county had a total of of roadways, of which were maintained by the local municipality, by Cumberland County and by the New Jersey Department of Transportation.
Cumberland is served only by state and county routes. Major county routes that pass through include County Route 540, County Route 548 (only in Maurice River Township), County Route 550, County Route 552, County Route 553, and County Route 555.
State routes include Route 47, Route 49, Route 55, Route 56, Route 77, and Route 347. Route 55 is the only limited-access road in the county which provides access to Interstate 76, Interstate 295, and the Philadelphia area to the north.
Parks and recreation
The only YMCA in the county is the Cumberland Cape Atlantic YMCA in Vineland. In 2001, the board of directors of what was the Vineland YMCA changed the name to include Atlantic County and Cape May County as the members wanted the Vineland YMCA to reflect a wider group of communities.
Winery
- Cedar Rose Vineyards
Education
School districts include:
;K-12:<!--This is based on the grade spans operated by each school district, not the grade scale which each district funds (the Census Bureau uses the latter)-->
- Bridgeton Public Schools
- Millville Public Schools
- Salem County Special Services School District
- Vineland Public Schools
;Secondary:
- Cumberland County Vocational School District
- Cumberland Regional School District
;Elementary:
- Commercial Township School District
- Deerfield Township School District
- Downe Township School District
- Fairfield Township School District
- Greenwich Township School District
- Hopewell Township School District
- Lawrence Township School District
- Maurice River Township School District
- Stow Creek School District
- Upper Deerfield Township Schools
See also
- National Register of Historic Places listings in Cumberland County, New Jersey