A town of 728, settled in 1904. Nearly 35.6% of it is conserved land.
The 3 things Andover does most differently from other towns.
In a town this size, neighbors are the best guide. Ask them anything.
Be the first to start the conversation.
Ordered by what stands out in Andover. Another town gets a different order.
2.6 miles of trails across 0 parks and preserves.
Andover reports less crime per resident than 97% of the U.S. towns and cities we grade.
Andover beats the New Jersey average on 9 of 32 CDC measures and trails it on 1.
| What stands out | Andover | NJ |
|---|---|---|
| Fewer adults facing food insecurity | 9.5% | 14.3% |
| Fewer adults facing a utility shut-off | 5% | 7% |
| More adults with depression | 18.5% | 15.1% |
The median sale price was $730,000 in March 2026.
Most working residents leave Andover for work: only 1% work in town. The top destinations are Newton (6%), Andover (6%) and New York (5%). Half commute less than 20 miles.
Andover has chilly, snowy winters and pleasant summers, with plenty of rain. A typical July afternoon reaches 83°, a January night drops to 18°, and about 39 inches of snow falls in a normal winter.
Expected storm and flood damage is higher than in 38% of U.S. communities.
![51744.BA#001--Additional property required of S.S. Wills--Andover Borough, Sussex County, NJ [1909.09.18]](https://images.towntapestry.org/story/10989/e0a7659ee54f19587c0b-l.jpg)
6 postcards, papers and photographs from public archives.
Borough in Sussex County, New Jersey, US
Andover is a borough in Sussex County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 595, a decrease of 11 (−1.8%) from the 2010 census count of 606, which in turn reflected a decline of 52 (−7.9%) from the 658 counted in the 2000 census. Andover was incorporated as a borough by an act of the New Jersey Legislature on March 25, 1904, from portions of Andover Township. The borough was named for Andover Township, which was in turn named for Andover, Hampshire, England.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)