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New Jersey State Senate District 21

New Jersey State Senate District 21

New Jersey · Latest: 2024↓ R+16.7 vs 2020

Leans Democratic — shifted 16.7pp toward Republicans in 2024 — 225K residents

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New Jersey State Senate District 21 is a state senate district that has a population of 224,546. In the 2024 presidential election, it voted Democratic with a margin of D+12.0.

New Jersey State Senate District 21 Presidential Election Results, 2020–2024
YearDem %Rep %MarginSwing
202454.6%42.6%D+12.0R+16.7
202063.5%34.8%D+28.7—
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Race & Ancestry

Who Lives Here

A race-first Census view with ancestry expansion where source coverage is strong enough to support detail.
NJ-SD-21Census ACS 2024
Census race profile
Major Census race and ethnicity groups shown as a share of total population.
Expand rows for ancestry detail
White (Non-Hispanic) 69.1%Asian 11.9%Hispanic 11.6%Multiracial 3.8%Black 3.3%
GroupNJ-SD-21StateNational
White (Non-Hispanic)
69.1%50.9%57.4%
Asian
11.9%10.1%6.0%
Hispanic / Latino
11.6%22.5%19.3%
Multiracial / Other
3.8%3.1%4.0%
Black / African American
3.3%12.8%12.2%
Native American / Alaska Native
0.2%0.6%0.9%
Method notes

Census treats race and Hispanic/Latino origin as separate questions. Race categories other than Hispanic reflect total populations (small Hispanic overlap in Black, Asian, AIAN, NHPI). “Multiracial / Other” is derived as a non-overlapping remainder.

Detailed ancestry data unavailable for this geography.

Who lives in New Jersey State Senate District 21? 224,546 residents as of the 2020 Census.

Demographic Comparison

Demographics

Read this geography's profile in three layers: local, state (where available), and national baseline.
NJ-SD-21 vs New Jersey vs National225K residents
Population & electorate

Scale, voting-age share, and this geography's footprint inside the national electorate.

Total population
Local vs state vs U.S.
225K
local
225KState 9.3MNational 334.9M
Share of U.S. population
Local vs state vs U.S.
0.07%
local
0.07%National 100%
Voting-age population
Local vs state vs U.S.
76.1%
local
76.1%State 76.4%National 75.7%
Economic profile

Income, attainment, and ownership indicators that often shape coalition structure and turnout behavior.

Median household income
Local vs state vs U.S.
N/A
local
N/AState $104,663National $83,960
Poverty rate
Local vs state vs U.S.
N/A
local
N/AState 9.7%National 12.5%
College degree
Local vs state vs U.S.
N/A
local
N/AState 43.5%National 35.6%
Homeownership
Local vs state vs U.S.
N/A
local
N/AState 63.8%National 65.2%
Community profile

Age structure, language use, and nativity signals that explain how this geography differs from state and nation.

Median age
Local vs state vs U.S.
N/A
local
N/AState 40.3 yrsNational 39.1 yrs
Age 18–29
Local vs state vs U.S.
N/A
local
N/AState 14.6%National 15.7%
Age 65+
Local vs state vs U.S.
N/A
local
N/AState 17.2%National 17.0%
Foreign born
Local vs state vs U.S.
N/A
local
N/AState 23.9%National 14.1%
Non-English at home
Local vs state vs U.S.
N/A
local
N/AState 33.1%National 22.2%
English only
Local vs state vs U.S.
N/A
local
N/AState 66.9%National 77.8%

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