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Harmony, Warren County, New Jersey

Census designated place in Warren County, New Jersey

Population, 2010 to 2020−15.2%
3503754004254502010: 44120102020: 3742020441374
Population of Harmony at each census
CensusPopulation
2010441
2020374

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

Sources: 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.

Harmony compared with its county and state
Harmony compared with its county and state, American Community Survey 2019-2023
MeasureHarmonyWarren CountyNew Jersey
Population302110,2389,267,014
Median household income$56,307$99,596$101,050
Median age49.343.940.1
Median home value$328,600$323,100$427,600
Bachelor’s degree or higher15.0%36.4%42.9%
Foreign-born residents2.0%10.3%23.5%
Owner-occupied homes90.5%74.3%63.7%
Mean commute to work45.7 minutes34.1 minutes30.9 minutes

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

Household income in Harmony
Under $50k41.6%
$50k to $100k32.2%
$100k to $150k6.6%
$150k to $200k12.4%
$200k and over7.3%

Median household income $56,307 · 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 Harmony
Owner occupied
124 units
Renter occupied
13 units
Vacancy rate
0%

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 Harmony1
Public schools in Harmony, NCES directory 2023–2024
SchoolTypeGradesDistrict
Harmony Township SchoolPublicPre-K–8Harmony Township 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.

Community

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Nearby towns

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Harmony at a glance
Type
Census designated place
Land area
1.04 sq mi
Water area
0.00 sq mi
Population
302 (2019-2023 estimate)
Households
137
Median age
49.3
Median household income
$56,307
Median home value
$328,600
Median gross rent
Not available yet
Owner-occupied homes
90.5%
Bachelor’s degree or higher
15.0%
Foreign-born residents
2.0%
Mean commute to work
45.7 minutes
Census GEOID
3430060

Sources: Census Gazetteer 2025: places, 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
08865
Metro area
Allentown-Bethlehem-Easton, PA-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.