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Hardwick Township, New Jersey

Township in Warren County, New Jersey

Population, 2000 to 2020+9.2%
1.4k1.5k1.6k1.7k2000: 1,46420002010: 1,69620102020: 1,59820201,4641,598
Population of Hardwick Township at each census
CensusPopulation
20001,464
20101,696
20201,598

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

Hardwick Township compared with its county and state
Hardwick Township compared with its county and state, American Community Survey 2019-2023
MeasureHardwick TownshipWarren CountyNew Jersey
Population1,436110,2389,267,014
Median household income$124,167$99,596$101,050
Median age45.343.940.1
Median home value$421,800$323,100$427,600
Bachelor’s degree or higher34.6%36.4%42.9%
Foreign-born residents7.0%10.3%23.5%
Owner-occupied homes86.9%74.3%63.7%
Mean commute to work32.9 minutes34.1 minutes30.9 minutes

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

Household income in Hardwick Township
Under $50k15.8%
$50k to $100k26.9%
$100k to $150k21.7%
$150k to $200k15.1%
$200k and over20.5%

Median household income $124,167 · 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, county subdivision level, state 34, retrieved November 14, 2026.

Housing tenure in Hardwick Township
Owner occupied
433 units
Renter occupied
65 units
Vacancy rate
10.6%

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, county subdivision level, state 34, retrieved November 14, 2026.

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Hardwick Township at a glance
Type
Township
Land area
37.5 sq mi
Water area
1.41 sq mi
Population
1,623 (2024 estimate)
Households
498
Median age
45.3
Median household income
$124,167
Median home value
$421,800
Median gross rent
$1,778
Owner-occupied homes
86.9%
Bachelor’s degree or higher
34.6%
Foreign-born residents
7.0%
Mean commute to work
32.9 minutes
Census GEOID
3404129820

Sources: Census Gazetteer 2025: county subdivisions, 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, county subdivision level, state 34, retrieved November 14, 2026.

ZIP codes and metro area
ZIP codes
07825, 07832
Metro area
Allentown-Bethlehem-Easton, PA-NJ

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