LAKELAND — The Lakeland Housing Authority is preparing to transform 3 acres in North Lakeland into a tranquil-but-convenient, cottage community for seniors of low to moderate income. Development of the approximately $5.8 million subdivision will help alleviate a shortage of affordable housing in Polk County, home to some 20,000 to 30,000 people ages 55 and over who are living in poverty or close to it, according to U.S.