Legislative District 12 Map Opens in new window


The 12th Suffolk County Legislative District (LD) is located in the western-central portion of Suffolk County encompassing the southern section of the Town of Smithtown, and western Brookhaven. The district includes Smithtown, Nesconset, Hauppauge, the Village of the Branch, Lake Grove and parts of St. James, Commack, Lake Ronkonkoma and Centereach. The district is bounded roughly by Route 25 to the North, Commack Road to the West, Townline Road to the South, and Oxhead Road to the East with Veteran's Memorial Highway running through the heart of the district northwest to southeast. 

Elections / Voters

It consists of 64 election districts (EDs) with 49,617 registered voters and approximately 24,000 residential homes. The 12th LD has 50 EDs in Smithtown, 13 EDs in Brookhaven.


The LD is generally upper middle class with 70% of incomes over $45,000. In general the district is young with 88% of registered voters under 65 years old. Residents of the 12th LD are well educated with 90% of the adult population finishing high school and 33% with bachelor's degrees.