Sparks is an unincorporated community that is located in Baltimore County, Maryland, USA. It is situated approximately 20 miles (32 km) north of Baltimore, Maryland and is considered to be a suburb of the City of Baltimore. The Gunpowder River runs through Sparks.
The popular North Central Railroad ("NCR") Hike-Bike Trail runs through Sparks along the basin of the Gunpowder Falls (a.k.a. the Gunpowder River). The town's ZIP Code is 21152 and it is frequently accessed at Exit 24, Belfast Road, along Interstate 83, an Interstate Highway that runs from Baltimore, Maryland to Harrisburg, Pennsylvania. Although Sparks is unincorporated and has no official town limits, the area that is usually considered to constitute Sparks runs from several miles west of I-83 to Carroll Road to the East, and from north of Hunt Valley/Cockeysville along York Road and I-83 to Hereford, Maryland. According to the 2010 US Census, 5,094 people live in the Sparks area. Glencoe, Maryland is a smaller community that is largely surrounded by Sparks and the area is sometimes collectively known as "Sparks Glencoe, Maryland."