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Home values, rents and more in ZIP code 07840 (Hackettstown, NJ)

September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07

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Typical home value
$490,000
Metro: $363,000 · U.S.: $366,000
Home values, past year
+3.1%
Metro: +3.2% · U.S.: +1.2%
Population
32,105
ACS 2020–24
Median household income
$105,866
Metro: $84,587 · U.S.: $80,734
ZIP codes around 07840, shaded by typical home value0784007825078210785307838079300788207863078300786507828078360787407876
  • Under $470k
  • $470k–$500k
  • $500k–$560k
  • $560k–$730k
  • $730k+
  • No data
ZIP codes around 07840, shaded by typical home value (Zillow, ZIP codes). Dashed lines are county borders. 07840 is outlined.

How 07840 compares

The typical home in ZIP code 07840 (Hackettstown, NJ) is worth about $490,000, according to the Zillow Home Value Index for September 2026. Home values in 07840 are 35% above the typical value in the Allentown metro area ($363,000) and 34% above the U.S. typical value ($366,000).

Over the past year, home values in 07840 rose 3.1%, compared with +3.2% in the Allentown metro area and +1.2% nationally.

The median household income is $105,866, against $84,587 in the Allentown metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).

About 32,105 people live in 07840 (American Community Survey 2020–24).

07840 has the 11th-highest typical home value of the 68 ZIP codes in the Allentown metro area and the 174th-lowest of 546 in New Jersey with Zillow figures.

Part of: Hackettstown, NJ · Warren County, NJ · Allentown metro area · New Jersey

More for 07840 in ProMap Plus

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  • 5- and 10-year price changes
  • Days on market and months of supply
  • Price cuts and sale-to-list ratio
  • Price-to-income and monthly cost to buy
  • Zillow 12-month price forecast
  • Crime rates
  • School test scores
  • Homeowners insurance premiums
  • Commute time to downtown
  • Flood, wildfire and natural hazard risk
  • Property-tax rate
  • 2024 presidential vote
  • Age, education and household make-up
  • Amenities and transit nearby
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Nearby ZIP codes

Sources

Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.

"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.

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