Augusta, Maine Population 2022

18,851
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Augusta is a city located in Kennebec County Maine. It is also the county seat of Kennebec County. With a 2020 population of 18,851, it is the 9th largest city in Maine and the 2428th largest city in the United States. Augusta is currently declining at a rate of -0.13% annually and its population has decreased by -0.25% since the most recent census, which recorded a population of 18,899 in 2020. Spanning over 58 miles, Augusta has a population density of 342 people per square mile.

The average household income in Augusta is $56,668 with a poverty rate of 17.69%. The median rental costs in recent years comes to $729 per month, and the median house value is $145,700. The median age in Augusta is 46.1 years, 43.9 years for males, and 47.9 years for females.

The city was first settled in the 18th century and was incorporated as a city in the 19th century. Augusta is the third least-populous capital city in the U.S.

Augusta Population Growth

In its early population history, Augusta saw relatively steady growth according to past census data. The population exceeded 5,000 by 1940 before dropping off a bit in 1860. However, it rebounded by the end of the century, recording over 10,000 residents at the time of the 1890 census. The city’s population slowly grew through the 20th century until it began to post losses starting with the 1980 census. A much larger population decline was recorded during the censuses of 1990 and 2,000, bringing the population down to under 20,000, a number it had initially exceeded in 1950. The 2010 census saw growth again, but recent estimates show that the population is down over 3% since that census was taken. The city is continuing efforts to revive its main areas to bring in more residents, but only time will tell if these efforts will be successful.

The Canibas Indians first inhabited the region that is now the city of Augusta. Augusta was explored in the early 17th century by the Europeans. Over 20 years later, it was settled as a trading post and was known as Cushnoc. During its earliest history, it was a site for fur trading - known as the Popham Colony, although uprisings by the Native Americans, severe freezing winter conditions that stalled farming efforts, and a decline in revenues led the Europeans to leave the area, where it remained unsettled for 75 years.

In the mid 18th century, a blockhouse was constructed and came to be known as Fort Western. A few years later, it was incorporated with Hallowell. By the end of the 18th century, however, it was organized by the Massachusetts General Court and was known as Harrington. That name changed later that year to Augusta. In 1799, Augusta was designated as the county seat for Kennebec County.

After Maine was incorporated into the U.S. as a state, Augusta was designated as the state capital in 1827. It achieved city status in 1849. It was during this time that the city became quite prosperous. In the mid-1800s, the city had one of the highest populations in the country. However, it was soon overtaken as other metro areas in the Midwest flourished.

The city’s economy was based around agriculture, and then many sawmills were constructed, making Augusta a prominent mill city. This growth continued through the 19th century with the addition of cotton mills, paper and pulp plant, and other mills and factories that produced everything from lumber to doors, shutters, furniture and even headstones. In more recent years, the city has become known as a center for publishing and shipping.

It was during the 19th century that the railroad and steamboat arrived in Augusta. Gas lights were installed, a hospital was built, and telephone service was made available to residents furthering population growth. The central business district over the years, however, has suffered. As the city grew, many businesses moved away from the central location, while a fire in 1865 also destroyed many buildings. In the 20th century, the construction of highways led to more businesses moving to other areas of Augusta.

The city has been trying to revitalize its downtown area since the 1980s. The dam across the Kennebec that was constructed in 1837 was removed in 1999, and a park was constructed in the area. Old mills and factories have been converted to housing, and the local government is making additional efforts to improve the city and attract new residents.

Augusta Demographics

According to the most recent ACS, the racial composition of Augustawas:

  • White: 92.79%
  • Two or more races: 2.72%
  • Black or African American: 1.77%
  • Asian: 1.62%
  • Native American: 0.79%
  • Other race: 0.31%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Augusta, Maine is 18,851 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 18,899.

Augusta, Maine Population 2022

2021 and 2022 population is estimated by projecting the 2019 numbers.

Augusta Metro Area Population by Year

Population by Race

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Augusta Population by Race

Augusta Population Pyramid 2022

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Augusta Median Age

45.6


Total

42.2


Male

48.2


Female

Augusta Adults

There are 15,539 adults, (4,238 of whom are seniors) in Augusta.

Augusta Age Dependency

Age Dependency Ratio

37.5

Old Age Dependency Ratio

27.6

Child Dependency Ratio

Augusta Sex Ratio

Female

9,791

52.46%

Male

8,871

47.54%

Augusta Population by Age

Augusta Renter vs Owner Occupied by Household Type

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Augusta Household Types

51.6%

Rate of Home Ownership

Augusta Households and Families

2.73

Average Family Size

1.92

Average Household Size

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Augusta Households by Type

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Augusta Educational Attainment by Sex (over 25)

Augusta Educational Attainment by Race

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The highest rate of high school graduation is among other race people with a rate of 100.00%.

The highest rate of bachelors degrees is among black people with a rate of 78.95%.

Augusta Educational Attainment by Race

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$35,574

Average Earnings

$37,405

Average Male

$32,756

Average Female

Augusta Earnings by Educational Attainment

Augusta Language by Age

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Augusta Language

93.30% of Augusta residents speak only English, while 6.70% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 4.19% of the population.

Augusta Language

Augusta Poverty by Race

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17.69%

Overall Poverty Rate

17.71%

Male Poverty Rate

17.66%

Female Poverty Rate

Poverty in Augusta

The race most likely to be in poverty in Augusta is Black, with 42.44% below the poverty level.

The race least likely to be in poverty in Augusta is Hispanic, with 15.19% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 3.50%. Among those working part-time, it was 22.69%, and for those that did not work, the poverty rate was 27.53%.

Augusta Poverty

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Augusta Poverty Rate by Education

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Augusta Poverty Rate by Employment Status and Sex

Augusta Income by Household Type

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Income by Household Type

Augusta Marital Status

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Marriage Rates

35.0%

Overall Marriage Rate

37.5%

Male Marriage Rate

32.9%

Female Marriage Rate

Augusta Married by Age and Sex

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Augusta Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Augusta Marital Status by Race

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Augusta Marital Status

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1,649

Number of Veterans

Male Veterans

Female Veterans

Augusta Veterans by War

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Augusta Veterans by Age

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Augusta Veterans by Race

Augusta Veterans by Education

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7.46%

Veteran Poverty Rate

31.02%

Veteran Disability Rate

Augusta Veterans by Education

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59.6%

Labor Force Participation

56.1%

Employment Rate

5.2%

Unemployment Rate

Augusta Employment by Age

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Augusta Employment by Race

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Augusta Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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69.67%

Born in Augusta

97.55%

Native Born

2.45%

Foreign Born

1.14%

Non Citizen

1.31%

Naturalized

Place of Birth

97.55% of Augusta residents were born in the United States, with 69.67% having been born in Maine. 1.14% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.

Augusta Place of Birth

Note: 2021 and 2022 data is projected

Augusta Population by Year