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Sagadahoc County, Maine facts for kids

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Sagadahoc County
Doubling Point Light and Bath Iron Works
Doubling Point Light and Bath Iron Works
Official seal of Sagadahoc County
Map of Maine highlighting Sagadahoc County
Location within the U.S. state of Maine
Map of the United States highlighting Maine
Maine's location within the U.S.
Country  United States
State  Maine
Founded February 14, 1854
Named for Abenaki word meaning "mouth of the big river;" a former name for the Kennebec River
Seat Bath
Largest city Bath
 • Total 370 sq mi (1,000 km2)
 • Land 254 sq mi (660 km2)
 • Water 116 sq mi (300 km2)  31%%
 • Total 36,699
 • Density 99.2/sq mi (38.3/km2)
Time zone UTC−5 (Eastern)
 • Summer (DST) UTC−4 (EDT)
Congressional district 1st

Sagadahoc County ( SAG-ə-də-hok) is a county located in the U.S. state of Maine. As of the 2020 census, the population was 36,699. Its county seat is Bath. In geographic area, it is the smallest county in Maine.

Sagadahoc County is part of the PortlandSouth Portland, ME Metropolitan Statistical Area.


Exploration and settlement

Sagadahoc County was initially part of York and, later, Lincoln County before being set off and incorporated in 1854. The name comes from the "Sagadahoc River", an early name for the Kennebec River. Samuel de Champlain led the first known visit of Europeans to the region. In 1607, the English Popham Colony was established in what is now Phippsburgh; it was abandoned a year later, but English fishermen and trappers continued to visit the area. John Smith explored the region in 1614 and reported back to King Charles I, who named the Sagadahoc area "Leethe."

When the Plymouth Council for New England was dissolved in 1635, 10,000 acres (40 km2) on the east side of the Kennebec River were divided up and granted to private owners. Over the years, these proprietors extended their claims through additional land grants, purchases from Native Americans, and exploitation of the often poorly defined boundaries of their lands. By 1660, Englishmen held the titles to the whole of what is now Sagadahoc County.

When King Philip’s War broke out in 1675, the plundering of one house was the only hostile act in Sagadahoc County until August, 1676, at which point three settlements were attacked and 53 people taken captive by Native Americans. The region was almost totally abandoned by settlers, and no permanent settlement was established until 1715, when Arrowsic and Brunswick were founded. Scotch-Irish Presbyterians began immigrating to the region in increasingly large numbers, though occasional violence persisted until 1759, when the French and Indian Wars ended in Maine.

Later conflicts

There were no significant conflicts in Sagadahoc during the American Revolutionary War, despite fear of attack from British cruisers. Two British armed vessels sailed up the Kennebec River toward Bath, but turned back after being attacked. In the War of 1812, the capture of HMS Boxer occurred nearby. During the Civil War the county furnished to the Union forces 2,488 men.

Nineteenth century

Steam power was first used on the Kennebec as early as 1818 for propelling boats. What became the Bath branch of the Maine Central Railroad was completed in 1849; and the Knox and Lincoln Railroad was opened in 1871. The first newspaper was published in the county in 1820.

Sagadahoc County was set off from Lincoln and incorporated in 1854, with Bath as the county seat. Its valuation in 1870 was $11,041,340. In 1880 it was $10,297,215. The polls in 1870 numbered 4,669, and in 1880, 5,182. The population in 1870 was 18,803. In 1880 it was 19,276.

From 1880 to 2000, the county's population nearly doubled to 35,214.


According to the U.S. Census Bureau, the county has a total area of 370 square miles (960 km2), of which 254 square miles (660 km2) is land and 116 square miles (300 km2) (31%) is water. It is the smallest county in Maine by area.

Adjacent counties

National protected area


Historical population
Census Pop.
1860 21,790
1870 18,803 −13.7%
1880 19,272 2.5%
1890 19,452 0.9%
1900 20,330 4.5%
1910 18,574 −8.6%
1920 23,021 23.9%
1930 16,927 −26.5%
1940 19,123 13.0%
1950 20,911 9.3%
1960 22,793 9.0%
1970 23,452 2.9%
1980 28,795 22.8%
1990 33,535 16.5%
2000 35,214 5.0%
2010 35,293 0.2%
2020 36,699 4.0%
U.S. Decennial Census
1790-1960 1900-1990
1990-2000 2010-2016

2010 census

As of the 2010 United States census, there were 35,293 people, 15,088 households, and 9,869 families living in the county. The population density was 139.1 inhabitants per square mile (53.7/km2). There were 18,288 housing units at an average density of 72.1 per square mile (27.8/km2). The racial makeup of the county was 96.2% white, 0.8% Asian, 0.7% black or African American, 0.4% American Indian, 0.3% from other races, and 1.6% from two or more races. Those of Hispanic or Latino origin made up 1.3% of the population. In terms of ancestry, 26.9% were English, 16.8% were Irish, 11.8% were German, 8.1% were French Canadian, 6.6% were Italian, 6.5% were Scottish, and 6.4% were American.

Of the 15,088 households, 28.4% had children under the age of 18 living with them, 51.2% were married couples living together, 10.1% had a female householder with no husband present, 34.6% were non-families, and 27.1% of all households were made up of individuals. The average household size was 2.32 and the average family size was 2.81. The median age was 44.1 years.

The median income for a household in the county was $55,486 and the median income for a family was $66,650. Males had a median income of $46,068 versus $35,107 for females. The per capita income for the county was $26,983. About 5.7% of families and 8.8% of the population were below the poverty line, including 12.0% of those under age 18 and 7.4% of those age 65 or over.




Unorganized territory

Census-designated places

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