New Jersey's 4th Congressional District
New Jersey · NJ-04
New Jersey's 4th Congressional District is one of 12 U.S. House districts in New Jersey, represented in Congress by Christopher Smith (Republican). It is home to roughly 781,768 people, with a median age of 41.3. The population is about 80% White. The median household income is $95,870, and 40% of adults 25 and older hold a bachelor’s degree or higher. In the 2024 presidential election it voted safely Republican (R+30).
Representative
Current U.S. House member (source: house.gov).
Geography
NJ-04 is shown in red. Click a neighboring district to open it, or zoom out to explore the country.
Covering 700 square miles, NJ-04 is the 300th-largest of the 435 congressional districts by land area. With about 1,117 residents per square mile, it is a largely suburban district. Its shape is fairly compact: the district's Polsby-Popper score of 0.32 ranks 147th of 435 nationally, where 1st is the most compact.
Presidential results
In the 2024 presidential election, 34% of NJ-04 voters backed Kamala Harris and 64% Donald Trump — a R+30 margin. That is a 8.0-point shift toward the Republicans from 2020, when the district voted R+22.
Two-party presidential vote by district (source: The Downballot).
Who lives here
The median resident of the district is 41.3 years old; 24.7% of residents are under 18 and 21.1% are 65 or older. About 9.3% of residents were born outside the United States, and 14.2% speak a language other than English at home.
U.S. Census Bureau, American Community Survey (5-year estimates).
Economy & education
At $95,870, the district's median household income ranks 95th of 435 districts nationwide. The typical owner-occupied home is worth $429,259, and the median rent is $1,696 a month. 9.4% of residents live below the poverty line, and workers average a 32.6-minute commute (13.4% work from home).
U.S. Census Bureau, American Community Survey (5-year estimates).