County Seat: Centreville

Land Area: 372 square miles

Elevation: Sea level to 100 feet

Climate:
Annual Rainfall: 43.4 inches
Annual Snowfall: 18.3 inches
Summer Average Temp: 74.5 degrees
Winter Average Temp: 36.7 degrees

Population Estimates:
1990-33,953
1995-37,450
2000-40,563
2005-44,600
2010-48,500
2015-52,400

Age Distribution:
Under age 18 - 25.4%
Age 18-34 - 17.4%
Age 35-54 - 33.3%
Age 55-74 - 18.3%
Age 75-plus - 5.5%

Major Communities:
Centreville, 2,097
Millington, 409
Queen Anne, 250
Queenstown, 453

Education:
High school graduates or higher: 84.2%
Bachelor's degree or higher: 25.4%

Disposable Income:
Median household: $43,491
Average household: $51,991
Per capita: $19,723

Workforce:
Total: 21,847
Average unemployment: 3.3%
Residents commuting outside the county to work:12,473 (59.8%)