By CATHERINE SHEFFO

Capital News Service 

COLLEGE PARK, Md. — If you’re planning ahead now so that you don’t spend next Valentine’s Day alone, know this: where you live could have a big impact on who you meet. Across Maryland, college towns top the rankings of cities with the highest proportion of unmarried residents. But if you’re looking for someone single over the age of 24, Baltimore and Washington, D.C., are your best bet.