Demographics of Mercerville CDP, New Jersey

Mercerville CDP, New Jersey had 13,535 ±1,211 people in the American Community Survey, averaged over 2020–2024. The Census Bureau’s yearly estimates do not cover it: they count incorporated places and towns, not census-designated places. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Mercerville CDP, in four figures

13,535 ±1,211
Population: ACS 2020–⁠2024. The Bureau publishes no yearly estimate for a census-designated place.; 99th
Among New Jersey's places: Of 295 of 5,000 or more, by the survey's count.; 45.1 ±5.6
Median age: ACS 2020–⁠2024.; $128,277 ±$7,829
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Age, 2020–2024

The median age is 45.1 ±5.6: for men 43.2 ±7.7 and for women 47.3 ±6.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Mercerville CDP by age, ACS 2020–2024
Age	People	Share	New Jersey	United States
Under 5	594 ±226	4.4% ±1.6	5.6% ±<0.1	5.6% ±<0.1
5 to 17	1,948 ±392	14.4% ±2.6	16.2% ±0.1	16.3% ±<0.1
18 to 24	901 ±291	6.7% ±2.1	8.4% ±0.1	9.1% ±<0.1
25 to 44	3,312 ±462	24.5% ±2.6	26.2% ±0.1	26.9% ±<0.1
45 to 64	3,909 ±502	28.9% ±2.7	26.5% ±0.1	24.8% ±<0.1
65 and over	2,871 ±400	21.2% ±2.3	17.2% ±0.1	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $128,277 ±$7,829, and income per person $52,335 ±$3,996, in 2024 dollars. The median is $103,556 ±$513 in New Jersey and $80,734 ±$166 in the United States.

Households by income

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Households in Mercerville CDP by income, ACS 2020–2024
Household income	Households	Share	New Jersey	United States
Under $25,000	98 to 330	1.9% to 6.4%	11.6% ±0.2	14.6% ±<0.1
$25,000 to $49,999	596 ±205	11.5% ±3.9	12.8% ±0.2	16.7% ±<0.1
$50,000 to $74,999	665 ±215	12.9% ±4.0	12.8% ±0.2	15.5% ±<0.1
$75,000 to $99,999	601 ±203	11.6% ±3.8	11.3% ±0.2	12.6% ±<0.1
$100,000 to $149,999	1,260 ±243	24.4% ±4.3	18.1% ±0.2	17.5% ±<0.1
$150,000 to $199,999	1,006 ±251	19.5% ±4.6	11.8% ±0.2	9.6% ±<0.1
$200,000 or more	830 ±246	16.0% ±4.6	21.6% ±0.2	13.4% ±0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Mercerville CDP by age, ACS 2020–2024
Age	Below poverty	Rate	New Jersey	United States
All ages	424 ±160	3.2% ±1.2	9.7% ±0.2	12.5% ±0.1
Under 18	3 to 131	0.2% to 5.1%	13.0% ±0.3	16.1% ±0.1
18 to 59	155 ±76	2.2% ±1.0	8.6% ±0.2	11.6% ±0.1
60 and over	97 to 307	2.8% to 8.2%	9.3% ±0.2	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Mercerville CDP, ACS 2020–2024
Measure	Mercerville CDP	New Jersey	United States
Housing units	5,366 ±448	3,791,354 ±469	143,775,355 ±10,234
Occupied	96.4% ±11.2	92.5% ±0.1	89.9% ±0.1
Vacant	0.9% to 6.4%	7.5% ±0.1	10.1% ±0.1
Owner occupied	84.7% ±2.8	63.8% ±0.3	65.2% ±0.3
Renter occupied	15.3% ±3.4	36.2% ±0.2	34.8% ±0.1
Median home value	$358,600 ±$12,460	$454,400 ±$1,150	$332,700 ±$236
Median gross rent	$1,621 ±$101	$1,720 ±$7	$1,413 ±$2
Median year built	1959 ±2	1970 ±1	1980 ±1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Mercerville CDP by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	New Jersey	United States
Hispanic or Latino	2,219 ±639	16.4% ±4.5	22.5% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	9,559 ±993	70.6% ±3.7	50.9% ±<0.1	57.4% ±<0.1
Black alone, not Hispanic	332 to 1,410	2.5% to 10.4%	12.2% ±<0.1	11.9% ±<0.1
Asian alone, not Hispanic	277 to 847	2.1% to 6.2%	10.0% ±<0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 22	0% to 0.2%	0.1% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 22	0% to 0.2%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	0 to 91	0% to 0.7%	0.8% ±<0.1	0.6% ±<0.1
Two or more races, not Hispanic	130 to 434	1.0% to 3.2%	3.5% ±0.1	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Mercerville CDP by place of birth and citizenship, ACS 2020–2024
Born	People	Share	New Jersey	United States
Born in the state	9,789 ±1,046	72.3% ±4.2	50.8% ±0.2	57.3% ±<0.1
Born in another state	2,050 ±465	15.1% ±3.2	22.7% ±0.1	26.9% ±<0.1
Born a citizen outside the states	273 ±85	2.0% ±0.6	2.6% ±<0.1	1.7% ±<0.1
Born abroad	1,423 ±334	10.5% ±2.3	23.9% ±0.2	14.1% ±<0.1
Naturalized citizens	1,016 ±272	7.5% ±1.9	13.5% ±0.1	7.4% ±<0.1
Not citizens	196 to 618	1.5% to 4.5%	10.5% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Mercerville CDP among the places of New Jersey

99th of 295 places of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the New Jersey page.

Places of New Jersey near Mercerville CDP in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Bradley Gardens CDP	14,165 ±940
Roselle Park borough	14,093 ±53
New Providence borough	13,727 ±32
Eatontown borough	13,575 ±37
Florham Park borough	13,564 ±42
Mercerville CDP	13,535 ±1,211
Somerville borough	13,410 ±30
Woodland Park borough	13,355 ±22
Echelon CDP	13,284 ±1,108
Ridgefield Park village	13,235 ±28
Franklin Park CDP	13,211 ±1,215

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026