Long Valley is a census-designated place and unincorporated community located within Washington Township, in Morris County, New Jersey, United States. Known as German Valley since its foundation during the colonial era, the community was renamed in response to anti-German sentiment during World War I. As of the 2010 United States Census, the CDP's population was 1,879.
|Period||Total Sold||Average Price||Median Price|
|Long Valley||4 out of 5|
|New Jersey||2 out of 5|
|Long Valley||No rating submitted|