of the Connecticut River). East Branch Eightmile River (a tributary of Eightmile River). Falls Brook (a tributary of Eightmile River and Hamburg Cove). Grassy Hill Brook (mostly in Lyme, but crosses into Old Lyme before feeding into Rogers Lake). Hemlock Valley Brook (a tributary of Whalebone Creek). Hungerford Brook (a tributary of Whalebone Creek). Joshua Creek – a.k.a. Rams Horn Creek (a tributary of the Connecticut River). Lord Creek (a tributary of the Connecticut River). Mack Creek (a tributary of the Connecticut River). Mill Brook (enters Rogers Lake in Lyme and exits the lake in Old Lyme; a tributary of the Lieutenant River). Roaring Brook (a tributary of Whalebone Creek). Selden Creek (a tributary of the Connecticut River). Whalebone Creek (mouth is located at the head of Whalebone Cove). Demographics 2010 and 2020 censuses As of the 2010 census, Lyme had a population of 2,406. Its racial and ethnic makeup was 96.5% non-Hispanic white, 0.1% non-Hispanic black, 0.1% non-Hispanic Native American, 1.0% Asian, 0.1% non-Hispanic from some other race, 0.6% from two or more races and 1.7% Hispanic or Latino. Voter registration Ancestry/Ethnicity According to the United States Census Bureau, as of 2017 the largest (those over 1% of the population) self-identified ancestry/ethnic groups in Lyme were: Public facilities Civic and fraternal Hadlyme Public Hall (63 Ferry Road) Lyme Consolidated School (478 Hamburg Road) Lyme Grange Hall (2 Sterling City Road) Lyme Public Hall Association (249 Hamburg Road) Lyme Public Library (482 Hamburg Road) Lyme Volunteer Fire Co. Hadlyme Station (Norwich Salem Road) Lyme Volunteer Fire Co. Lyme Station (213 Hamburg Road) Governmental Hadlyme Ferry Boat Launch (154 Ferry Road) Hadlyme Post Office (1 Ferry Road) Lyme Town Hall (480 Hamburg Road) Religious The First Congregational Church of Lyme (Sterling City Road) Points of interest State parks and forests Selden Neck State Park and Becket Hill State Park Reserve are wholly located in Lyme. Nehantic State Forest and Gillette Castle State Park are partly located in Lyme. On the National Register of Historic Places Cooper Site, added November 15, 1987. Gillette Castle (partly in Lyme), added July 31, 1986. Hadlyme Ferry Historic District, added December 21, 1994. Hamburg Bridge Historic District (Joshuatown Road and Old Hamburg Road), added April 10, 1983. Hamburg Cove Site, added November 15, 1987. Lord Cove Site, added November 15, 1987. Selden Island Site, added November 15, 1987. Public transportation The Estuary Transit District provides public