Counties with the oldest homes in New Jersey

Written by:
September 25, 2025
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Counties with the oldest homes in New Jersey

There's an undeniable charm that comes with pre-World War II American architecture, characterized by high ceilings, crown molding, hardwood floors, and ornate details. In fact, 11.4% of all housing units in America were built in 1939 or before, showing the popularity of the preservation of these units. Owning a piece of history can sometimes come with a cost: Many old homes come with asbestos, lead piping, knob-and-tube wiring, and other outdated building styles that can rack up a hefty price tag to modernize. However, with more and more modernized pre-war homes on the market, generally located just outside bustling downtown metros, investing in property that has withstood the test of time is an attractive prospect.

Stacker compiled a list of the counties in New Jersey with the oldest homes using data from the U.S. Census Bureau. Counties are ranked by median year the structure was built according to 2023 5-year estimates. Ties broken by the highest percentage of homes built before 1939.

The country's domestic architecture is perhaps best characterized by a rugged individualism as opposed to the hybridization of disparate architectural elements. As Maya Angelou once perceptively observed, "the ache for home lives in all of us," a phrase that has meant very different things to different people.

Modest or palatial, there is no shortage of noteworthy homes in the U.S. Log cabins constructed by industrious pioneers have dotted the landscape alongside traditional Native American dwellings ever since immigrant Swedes introduced them to the New World in 1638. The unprecedented personal fortunes amassed by the so-called "Robber Barons" at the close of the 19th century gave way to the construction of a staggering number of Gilded Age estates.

The ravages of time spared neither the sumptuous nor the humble. Stately mansions, often prohibitively costly to maintain in the modern era, were frequently neglected; simple structures were forgotten, discarded by their owners, and damaged by natural elements. However, the tireless efforts of architectural preservationists and local historical societies have saved many of these homes from demolition, leading to their inclusion in the National Register of Historic Places and thereby safeguarding them for future generations.

Keep reading to learn more about which counties in New Jersey have the oldest homes.

#21. Somerset County

- Median year homes built: 1982
- Homes built 1939 or earlier: 9.7% (12,825 homes)
- Homes built since 2000: 0.6% (762 homes)
- Total homes built: 132,831

#20. Ocean County

- Median year homes built: 1981
- Homes built 1939 or earlier: 4.2% (12,282 homes)
- Homes built since 2000: 0.7% (2,214 homes)
- Total homes built: 295,201

#19. Cape May County

- Median year homes built: 1980
- Homes built 1939 or earlier: 13.3% (13,262 homes)
- Homes built since 2000: 1.0% (996 homes)
- Total homes built: 99,625

#18. Gloucester County

- Median year homes built: 1979
- Homes built 1939 or earlier: 9.8% (11,570 homes)
- Homes built since 2000: 0.5% (532 homes)
- Total homes built: 117,530

#17. Hunterdon County

- Median year homes built: 1979
- Homes built 1939 or earlier: 17.3% (8,966 homes)
- Homes built since 2000: 0.3% (172 homes)
- Total homes built: 51,908

#16. Burlington County

- Median year homes built: 1977
- Homes built 1939 or earlier: 10.7% (19,799 homes)
- Homes built since 2000: 0.8% (1,545 homes)
- Total homes built: 185,617

#15. Atlantic County

- Median year homes built: 1977
- Homes built 1939 or earlier: 14.8% (19,615 homes)
- Homes built since 2000: 0.7% (947 homes)
- Total homes built: 132,102

#14. Monmouth County

- Median year homes built: 1975
- Homes built 1939 or earlier: 13.5% (36,494 homes)
- Homes built since 2000: 0.6% (1,508 homes)
- Total homes built: 269,728

#13. Middlesex County

- Median year homes built: 1973
- Homes built 1939 or earlier: 10.6% (33,680 homes)
- Homes built since 2000: 0.6% (1,744 homes)
- Total homes built: 316,633

#12. Sussex County

- Median year homes built: 1972
- Homes built 1939 or earlier: 14.1% (8,854 homes)
- Homes built since 2000: 0.3% (200 homes)
- Total homes built: 62,825

#11. Warren County

- Median year homes built: 1972
- Homes built 1939 or earlier: 22.6% (10,533 homes)
- Homes built since 2000: 0.3% (157 homes)
- Total homes built: 46,675

#10. Morris County

- Median year homes built: 1971
- Homes built 1939 or earlier: 12.0% (23,800 homes)
- Homes built since 2000: 0.6% (1,180 homes)
- Total homes built: 198,611

#9. Cumberland County

- Median year homes built: 1968
- Homes built 1939 or earlier: 16.5% (9,431 homes)
- Homes built since 2000: 0.3% (173 homes)
- Total homes built: 57,203

#8. Mercer County

- Median year homes built: 1967
- Homes built 1939 or earlier: 19.0% (28,580 homes)
- Homes built since 2000: 0.5% (691 homes)
- Total homes built: 150,600

#7. Camden County

- Median year homes built: 1966
- Homes built 1939 or earlier: 17.6% (37,448 homes)
- Homes built since 2000: 0.5% (1,097 homes)
- Total homes built: 213,188

#6. Hudson County

- Median year homes built: 1965
- Homes built 1939 or earlier: 29.8% (94,469 homes)
- Homes built since 2000: 1.1% (3,377 homes)
- Total homes built: 317,032

#5. Salem County

- Median year homes built: 1963
- Homes built 1939 or earlier: 21.0% (5,818 homes)
- Homes built since 2000: 0.2% (61 homes)
- Total homes built: 27,740

#4. Bergen County

- Median year homes built: 1959
- Homes built 1939 or earlier: 19.4% (71,679 homes)
- Homes built since 2000: 0.7% (2,486 homes)
- Total homes built: 368,535

#3. Essex County

- Median year homes built: 1958
- Homes built 1939 or earlier: 29.1% (97,638 homes)
- Homes built since 2000: 0.4% (1,198 homes)
- Total homes built: 335,550

#2. Union County

- Median year homes built: 1956
- Homes built 1939 or earlier: 24.1% (50,940 homes)
- Homes built since 2000: 0.7% (1,561 homes)
- Total homes built: 211,269

#1. Passaic County

- Median year homes built: 1956
- Homes built 1939 or earlier: 28.1% (52,189 homes)
- Homes built since 2000: 0.4% (747 homes)
- Total homes built: 185,439

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