Westfield, New Jersey Map and Directory

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According to the United States Census Bureau, Westfield is a Town that is located in Union County, New Jersey at 40.66 degrees North and 74.35 degrees West. The town's time zone is America/New York, and the town's primary telephone area code is 908. The land area of Westfield is about 6.72 square miles, whereas the water area of the town is about 0.02 square miles. Union County's land area is about 103 square miles, so the town occupies about 6.5 percent of the county's total land area.

The Census Bureau estimates that Westfield had about 29,512 residents in 2019, which is approximately 4,392 people per square mile of land area.

According to recent American Community Survey data, the median household income in Westfield was about $170,798 per year.

The New Jersey counties map at upper right shows Union County, highlighted in red. Use the menu below to display interactive maps of Westfield, either in a frame on this page or in full-screen mode.

Use the menu below to display categorized Westfield directories.