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Calvert County, Maryland

Calvert County is a county located in the U.S. State of Maryland.

As of 2000, the population is 74,563. Its county seat is Prince Frederick. The name is derived from the family name of the Lords Baltimore, the proprietors of Maryland as a colony.

This county is a part of the Washington-Baltimore Metropolitan Area.

Table of contents
1 History
2 Law and government
3 Geography
4 Demographics
5 Cities and towns


Patuxent County was established in 1654 by an Order in Council. In 1658 the county was renamed Calvert County.

Law and government

Calvert County is still governed by county commissioners, the traditional form of county government in Maryland.


Calvert County includes two municipalities, both classified as towns under Maryland law:
  1. Chesapeake Beach (incorporated 1886)
  2. North Beach (incorporated 1910)
Unincorporated areas are also considered as towns by many people, but they lack local government. The United States Census Bureau recognizes the following Census-Designated Places in Calvert County:
  1. Chesapeake Ranch Estates-Crum Point
  2. Dunkirk
  3. Huntington
  4. Lusby
  5. Owings
  6. Prince Frederick
  7. St. Leonard
  8. Solomons
Other entities, such as the United States Postal Service, use a different selection of local place names. In all these cases, since the places are unincorporated, the boundaries are determined by the classifying authority.

According to the U.S. Census Bureau, the county has a total area of 894 km² (345 mi²). 557 km² (215 mi²) of it is land and 336 km² (130 mi²) of it is water. The total area is 37.65% water.


As of the census2 of 2000, there are 74,563 people, 25,447 households, and 20,154 families residing in the county. The population density is 134/km² (346/mi²). There are 27,576 housing units at an average density of 49/km² (128/mi²). The racial makeup of the county is 83.93% White, 13.11% Black or African American, 0.30% Native American, 0.88% Asian, 0.03% Pacific Islander, 0.49% from other races, and 1.27% from two or more races. 1.52% of the population are Hispanic or Latino of any race.

There are 25,447 households out of which 41.70% have children under the age of 18 living with them, 64.80% are married couples living together, 9.90% have a female householder with no husband present, and 20.80% are non-families. 16.30% of all households are made up of individuals and 5.70% have someone living alone who is 65 years of age or older. The average household size is 2.91 and the average family size is 3.26.

In the county the population is spread out with 29.60% under the age of 18, 6.40% from 18 to 24, 31.70% from 25 to 44, 23.40% from 45 to 64, and 8.90% who are 65 years of age or older. The median age is 36 years. For every 100 females there are 97.30 males. For every 100 females age 18 and over, there are 94.00 males.

The median income for a household in the county is $65,945, and the median income for a family is $71,545. Males have a median income of $48,664 versus $32,265 for females. The per capita income for the county is $25,410. 4.40% of the population and 3.10% of families are below the poverty line. Out of the total people living in poverty, 5.10% are under the age of 18 and 5.70% are 65 or older.

Cities and towns