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AL

Allentown, New Jersey

Borough in Monmouth County, New Jersey

Population, 2000 to 2020−7.9%
1.7k1.8k1.8k1.9k1.9k2000: 1,88220002010: 1,82820102020: 1,73420201,8821,734
Population of Allentown at each census
CensusPopulation
20001,882
20101,828
20201,734

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 34, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 34, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 34, retrieved November 14, 2026.

Allentown compared with its county and state
Allentown compared with its county and state, American Community Survey 2019-2023
MeasureAllentownMonmouth CountyNew Jersey
Population1,926643,6159,267,014
Median household income$134,583$122,727$101,050
Median age40.043.240.1
Median home value$397,100$566,500$427,600
Bachelor’s degree or higher53.2%50.6%42.9%
Foreign-born residents5.7%13.6%23.5%
Owner-occupied homes77.7%75.4%63.7%
Mean commute to work30.8 minutes32.8 minutes30.9 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.

Household income in Allentown
Under $50k13.7%
$50k to $100k24.9%
$100k to $150k18.4%
$150k to $200k16.3%
$200k and over26.6%

Median household income $134,583 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 34, retrieved November 14, 2026.

Housing tenure in Allentown
Owner occupied
531 units
Renter occupied
152 units
Vacancy rate
5.3%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.

Public schools in Allentown2
Public schools in Allentown, NCES directory 2023–2024
SchoolTypeGradesDistrict
Newell Elementary SchoolPublicPre-K–4Upper Freehold Regional School District
Allentown High SchoolPublic9–12Upper Freehold Regional School District

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

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Allentown at a glance
Type
Borough
Land area
0.60 sq mi
Water area
0.02 sq mi
Population
1,731 (2024 estimate)
Households
683
Median age
40.0
Median household income
$134,583
Median home value
$397,100
Median gross rent
$1,517
Owner-occupied homes
77.7%
Bachelor’s degree or higher
53.2%
Foreign-born residents
5.7%
Mean commute to work
30.8 minutes
Census GEOID
3400760

Sources: Census Gazetteer 2025: places, retrieved November 14, 2026; Census Population Estimates, Vintage 2024: subcounty totals, state 34, retrieved November 14, 2026; American Community Survey 5-year data profile 2019–2023, place level, state 34, retrieved November 14, 2026.

ZIP codes and metro area
ZIP codes
08501
Metro area
New York-Newark-Jersey City, NY-NJ

Sources: Census 2020 ZCTA relationship file: ZCTAs to places, retrieved November 14, 2026; Census Gazetteer 2025: metropolitan and micropolitan areas, retrieved November 14, 2026.