Columbia, New Jersey.
Typical home $461,953 (+1.6% in a year). Allentown-Bethlehem-Easton, PA-NJ metro.
to buy the typical home at today's mortgage rate — +$246 (+11%) since Dec 2023.
- 1 year
- Up $7,120 +2%
- $454,833$461,953 since Sep 2025
Monthly payment to buy the typical home
Home value × that month's 30-year mortgage rate, 20% down, principal and interest. This is the line households feel: prices and rates compound each other.
- Columbia$2,425
- New Jersey$3,019
- United States$1,922
Typical home values in Columbia, NJ rose 1.6% over the past year — faster than the nation's +1.2%.
Living in Columbia, Warren County, New Jersey
Columbia, in Warren County, had 215 people in the 2020 census. Unemployment in Warren County was 4.6% in August 2026, and the county had 2.0% more jobs in 2025 than the year before. The most people in Warren County work in schools and health care, then professional services.
Written by AI Claude Sonnet 5.5 wrote this on 23 October 2026 from the figures here, a list of nearby places and what it knows. It can be wrong or out of date.
What it’s like
The place. Columbia is a very small community in Warren County, New Jersey, where Paulins Kill and Stony Brook run in or beside town. Winters are cold and snowy, with January the coldest month, and summers are warm, with July the warmest. Rain and melted snow add up to a good deal over the year.
Work. Residents work mostly in schools, hospitals and social care, with others in professional and business services, manufacturing and shops. Across Warren County, some of the largest workplaces are the Phillipsburg School District, ST Lukes Warren Hospital and Hackettstown Medical Center. Household incomes across the county are well above the typical level for many parts of the country, and the county has gained a few more jobs over the past year.
Things to do. Paulins Kill and Stony Brook, both rivers, are in or beside town. A short drive away are Worthington State Forest and Jenny Jump State Forest, both protected areas for walking and time outdoors. Sunfish Pond, a lake, is also a short drive away.
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What people in Warren County work in
Employed residents by industry, from the Census survey. Warren County had 33,915 jobs in 2025, 2.0% more than the year before (Bureau of Labor Statistics).
Weather through the year
Coldest in January, with highs near 36° and lows near 18°; warmest in July, with highs near 84° and lows near 60°. About 23 inches of snow and 48 inches of rain and melted snow a year.
Average daily high and low, 1991–2020, at the Belvidere Brg weather station, 7 miles away (NOAA).
Largest workplaces in Warren County
- Phillipsburg School DistrictSchool district729FTE
- St Lukes Warren HospitalGeneral hospital681FTE
- Hackettstown Medical CenterGeneral hospital502FTE
- Mars Wrigley Confectionery USLiquor, chocolate, made from purchased chocolate435
- WalmartWarehouse clubs and supercenters390
- Hackettstown Public School DistrictSchool district357FTE
- Centenary UniversityUniversity or college343
- SIMOS Insourcing SolutionsStaffing323
Staff on average in 2025, as each workplace reported it to OSHA with its injury records: 65 workplaces with 20 or more staff, 8,001 people in all across the county; Columbia has none of its own. School districts come from the Common Core of Data (NCES, 2023–24), hospitals from their Medicare cost reports (CMS, 2023) and colleges from IPEDS (NCES, 2023–24); FTE marks full-time equivalent staff. Not listed: many offices and banks, which need not report to OSHA; military bases, whose staff OPM withholds; and, in about half the states, city and county governments.
Natural hazards
- Strong windRelatively high
- Inland floodingRelatively high
- Cold wavesRelatively high
- Winter weatherRelatively high
- LightningRelatively high
- DroughtRelatively moderate
FEMA’s National Risk Index (December 2025) rates the risk each natural hazard poses to the people, buildings and farms in Columbia’s census tracts, against the rest of the country; all of them together, relatively moderate. It is meant for planning, not a substitute for a local risk assessment or a flood map: FEMA’s index.
From the U.S. Census Bureau’s 2020 census and its American Community Survey (2020–2024 five-year estimates), and the Bureau of Labor Statistics. A survey, so each figure has a margin of error, and figures it is not sure of are left out. More on Warren County and the Allentown-Bethlehem-Easton, PA-NJ metro.
Columbia home values
Zillow measures a city over its municipal boundary. Against the state and national figures, mid-tier homes, smoothed and seasonally adjusted.
- Columbia$461,953
- New Jersey$575,123
- United States$366,157
Levy by levy, and a check of one home’s own bill, the site covers Ohio’s property tax.
Sellers are cutting prices on about 1 in 5 Columbia listings — the market is roughly in balance.
When this market ran hot
Each cell is that month's year-on-year home-value growth. Read left to right, top row is the latest year — the 2021–22 band is the boom.
Market heat, inside the city limits
Share of listings with a price cut
The early-warning dial: sellers cut when buyers stop reaching. Rising cuts cool a market months before prices notice.
- Columbia21.27%
- United States26.90%
Homes for sale
Active for-sale inventory. More supply hands power to buyers.
- Columbia19
New listings per month
Sellers arriving at the market.
- Columbia5
Zip codes with a Columbia address
A different geography, not a breakdown. The figure above covers the municipality; these zips cover everywhere the Post Office calls Columbia — often including townships beyond the city limits. Both come straight from Zillow, and they are not expected to average out.