City profile
Hackettstown, NJ
Warren County · Population 10,140
Hackettstown is a town in Warren County, NJ with about 10,140 residents and a typical home value near $362,000. It is 32 miles from Montclair, NJ, which shapes its climate, healthcare access and amenities.
Climate
Climate type
Four seasons
Winter avg
32°F
Summer avg
77°F
Sunny days / yr
205
Home prices & cost of living
Median home price
$361,600
Typical monthly housing
$2,636
Cost of living (100 = U.S.)
116
Taxes
- Property tax
- 2.23%
- State income tax (top)
- 10.75%
- Social Security
- Not taxed
- Pensions
- Partly exempt
- Sales tax (state + avg. local)
- 6.60%
FEMA natural hazard risk
Relatively Low · county score 81/100
Top hazards: Strong wind, Cold wave, Riverine flooding
Nearest major airport
36 mi to Newark Liberty International Airport (EWR)
Political lean (2024 county vote)
Leans Republican · 39% Democratic / 60% Republican
Community
Population
10,140
Black population
5.2%
County
Warren County
Detailed crime figures are available for our 201 hand-researched cities.
2025–2026 trends
2026 market trends
- ▸More retirees are leaving NJ than arriving, mostly over cost
- ▸Home prices are still rising in 2026 — good for long-term value, less room to negotiate
- ▸Climate/cost risks to check: coastal flooding, very high property taxes
Highlights
- About 10,140 residents
- Typical home value about $362,000
- 32 miles from Montclair, NJ
Trade-offs
- Smaller community with fewer local amenities
- Scores for this place are estimated from Census data and the nearest major city
Figures are estimates from public sources (see How we match). Verify before making decisions.