Shark River Hills, NJ Political Map | Democrat & Republican Areas in Shark River Hills

By the BestNeighborhood data science team. Last updated May 2026.

Shark River Hills is a true toss-up. About 48% of voters here vote Democratic and 52% Republican.

 

About 94% of adults in Shark River Hills typically vote, above the U.S. average of about 62%. Among adults in Shark River Hills, ~45% vote Democratic, ~49% Republican, and ~6% don't vote. The map below shows estimated turnout by block group.

How Shark River Hills compares

Among cities within 25 miles, Shark River Hills leans more Republican than 27 of 117 neighbors.

Shark River Hills runs about 10 points more Republican than New Jersey as a whole.

Politics vary noticeably by neighborhood within Shark River Hills. The northeast side runs the most Democratic (D+40) and the southeast side runs the most Republican (R+16), a spread of about 57 points.

Why Shark River Hills leans the way it does

Density, race composition, education, and family structure all sit close to their national averages in Shark River Hills. The lean here lands roughly where demographic data alone would predict.

Cancer-screening access and voter turnout

Places with high colon-cancer-screening access tend to turn out at a higher rate; Shark River Hills, NJ sits in the top tenth nationally on this measure. Cancer screening does not drive turnout; it reflects income, insurance, and healthcare access.

Why turnout in Shark River Hills looks the way it does

Areas with strong routine healthcare access turn out at higher rates. Shark River Hills is in the top quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 74%, about 14 points above the U.S. average of 60%. Homeowners vote more often than renters, and about 90% of households in Shark River Hills own their home, compared to around 65% in nearby cities. High high-school completion lines up with higher turnout, and about 98% of adults in Shark River Hills have completed high school, above 95% of cities. Learn more about the findings and methodology on the political spectrum map.

Sources and methodology

Precinct-level voting records used to fit the model come from New Jersey Division of Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.

Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.

Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.