Lindenwold is a borough in Camden County, in the U.S. state of New Jersey. As of the 2020 United States census, the borough's population was 21,641, an increase of 4,028 from the 2010 census count of 17,613, which in turn reflected an increase of 199 from the 17,414 counted in the 2000 census. As of 2020, Lindenwold had the 10th-highest property tax rate in New Jersey with an equalized rate of 4.810% compared to 3.470% in the county as a whole and a statewide average of 2.279%.