Tool

Compare places

Put up to four U.S. cities, towns or census-designated places side by side on 29 figures: 22 measures from the ACS 2020-2024 5-year estimates, each with its margin, and their 2025 population estimate, growth, density, new homes and housing costs against income. A filled square marks a figure that differs from the first place by more than both margins of error allow; without it, the survey cannot tell the two apart.

How do Green Knoll, NJ compare?

Population, growth, density, new homes and housing costs against income (Census Bureau estimates Vintage 2025, 2020 Census, Building Permits Survey 2025, ACS 2020-2024 5-year estimates)
FigureGreen Knoll, NJ
Residents, July 2025 (estimate)no yearly estimate (census-designated place)
Change since April 2020–
Residents counted in the 2020 Census6,594
Residents per square mile (2020)1,423
Homes permitted in 2025 per 1,000 residents–
Median home value ÷ median household income3.6 years of income
A year of median rent ÷ median income of all households (renters usually earn less)10.5%
ACS 2020-2024 5-year estimates. ■ differs from Green Knoll beyond the margins of error.
MeasureGreen Knoll, NJ
Total population6,789±878
Median age44.5±2.7
Hispanic or Latino (any race)6.2%±2.7 pts
White alone, not Hispanic63.6%±6.8 pts
Black or African American alone, not Hispanic4.9%±3.0 pts
Asian alone, not Hispanic21.7%±5.8 pts
Born outside the United States19.4%±3.5 pts
Bachelor's degree or higher (age 25+)58.0%±7.0 pts
Median household income$165,227±$33,580
Per capita income$67,008±$5,516
People below the poverty line3.3%±1.2 pts
Unemployment rate4.2%±2.5 pts
Median home value (owner-occupied)$597,100±$30,926
Median gross rent$1,448±$890
Renters paying 35% or more of income on rent49.1%±18.2 pts
Owner-occupied homes78.8%±5.8 pts
Built 2020 or later0.0%±1.8 pts
Worked from home28.9%±7.5 pts
Drove alone to work60.5%±6.6 pts
Public transportation0.5%±0.6 pts
Mean travel time to work28.7 min±2.3
No health insurance coverage0.7%±0.6 pts

Source: American Community Survey 2020-2024 5-year estimates, U.S. Census Bureau (released January 2026); Census Bureau population estimates, Vintage 2025; 2020 Census; Building Permits Survey 2025 · Check it at data.census.gov