Spring Lake leans slightly Republican by roughly 14 points: about 43% of voters vote Democratic and 57% Republican.
About 91% of adults in Spring Lake typically vote, above the U.S. average of about 62%. Among adults in Spring Lake, ~39% vote Democratic, ~52% Republican, and ~9% don't vote. The map below shows estimated turnout by block group.
How Spring Lake compares
Among cities within 25 miles, Spring Lake leans more Republican than 40 of 111 neighbors.
Spring Lake runs about 19 points more Republican than New Jersey as a whole. New Jersey leans Democratic overall, while Spring Lake is one of the few Republican-leaning pockets.
Why Spring Lake leans the way it does
This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Spring Lake, not a ranked or complete list of what matters most.
Spring Lake votes Republican even though it is densely developed (about 80%, well above the New Jersey average of 61%). Here an older population outweighs the Democratic lean that density usually predicts. Spring Lake runs against the grain of New Jersey, a Republican-leaning pocket in a Democratic-leaning state.
Cancer-screening access and voter turnout
Places with high colon-cancer-screening access tend to turn out at a higher rate; Spring Lake, 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 Spring Lake looks the way it does
Areas with strong routine healthcare access turn out at higher rates. Spring Lake 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 78%, about 18 points above the U.S. average of 60%. High high-school completion lines up with higher turnout, and about 97% of adults in Spring Lake have completed high school, above 91% of cities. Learn more about the findings and methodology on the political spectrum map.
Nearby Cities
- Spring Lake Heights, NJ R+5
- Lake Como, NJ D+11
- Sea Girt, NJ R+19
- Belmar, NJ R+15
- Manasquan, NJ R+18
- Avon-by-the-Sea, NJ R+12
- Shark River Hills, NJ R+4
- Neptune City, NJ D+4
- Brielle, NJ R+19
- Bradley Beach, NJ D+16
Cities with Similar Populations
- Biglerville, PA R+46
- Eleva, WI R+23
- Rural Retreat, VA R+60
- Lytton Springs, TX R+7
- Fremont, NC R+36
- Richmond, VT D+32
- Chase City, VA Even
- Hill Afb, UT R+19
- Coleman, MI R+43
- Middletown, VA R+41
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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.