Euclid

Euclid, Ohio, is a city located in Cuyahoga County on the southern shore of Lake Erie, serving as an inner-ring suburb of Cleveland. With a population of approximately 47,838 in 2026, Euclid is the fourth-largest city in Cuyahoga County. Originally part of Euclid Township, the area was mapped in 1796 and named after the Greek mathematician Euclid of Alexandria. Euclid has a diverse economy with key industries including healthcare, retail trade, and manufacturing. Lincoln Electric, a major manufacturer of welding equipment, has its headquarters and main plant located in Euclid. The city played a significant role in industrial development in the early 20th century and continues to adapt its industrial base. Euclid is notable for its historical significance, including the landmark 1926 U.S. Supreme Court case *Village of Euclid v. Ambler Realty Co.*, which established the constitutionality of zoning ordinances. The city is also known as the place where Charles F. Brush created the Arc Lamp in 1876 and where the cordless telephone was invented in 1969. Euclid offers a variety of recreational activities, access to Lake Erie, and ongoing efforts to improve quality of life through waterfront development and community programs.