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Population Review

Lincoln County, Maine Population 2026

Updated April 2026 · US Census ACS 2023 5-Year Estimates · 13th-largest in Maine

The population of Lincoln County, Maine is 35,840 as of the 2023 American Community Survey, making it the 13th-largest county in Maine. The median household income is $72,026, the median home value is $306,200, and the median age is 51.1.

The population of Lincoln County has grown 6.1% since 2010 (34,384 → 36,491), a +0.43% annualized rate.

Lincoln County within Maine · Source: US Census TIGER/Line via us-atlas

35,840

Population

+0.43%

Annual growth

79

People / sq mi

$72,026

Median Income

$306,200

Median Home Value

Lincoln County covers 456 sq mi of land at 78.6 people per square mile.

About Lincoln County, ME

Lincoln County is a county in Maine with a population of 35,840. It ranks #13 among counties in Maine by population. The median age is 51.1, older than the national median. The population is 49.3% male and 50.7% female.

The median household income in Lincoln County is $72,026, near the US median of $74,580. 5.0% of residents live below the federal poverty level. Home values sit at a median of $306,200, with monthly rent averaging $1,003. The homeownership rate of 83.8% is higher than the national rate of 64.8%.

Educational attainment in Lincoln County reflects 40.0% of adults 25 and older holding a bachelor's degree or higher, above the national average of 34.3%. Roughly 11.3% of workers primarily work from home, similar to the national work-from-home rate of 14.2%. The average commute is 23.7 minutes each way.

Lincoln County Population History (2010-2024)

The county of Lincoln County had a population of 34,384 in 2010 and 36,491 in 2024, a 6.1% growth over 14 years. The peak was 36,491 in 2024. Average annual growth rate: 0.43%.

2024 · 36K20102024

36,491

Population (2024)

34,384

Population (2010)

36,491

Peak (2024)

0.43%

Avg Annual Growth

YearPopulation
201034,384
201134,271
201234,155
201334,091
201434,052
201533,789
201633,992
201734,228
201834,396
201934,685
202035,256
202136,024
202236,263
202336,460
202436,491

Race & Ethnicity

White94.0%
Black or African American0.5%
Asian0.0%
Hispanic or Latino (any race)1.1%
Two or More Races0.0%

Age & Sex

51.1

Median Age

50.7%

Female

49.3%

Male

28.8%

Age 65+

Age Distribution

Under 5
4.1%
5–9
4.8%
10–14
4.8%
15–19
4.8%
20–24
4.3%
25–34
10.1%
35–44
10.2%
45–54
11.6%
55–59
7.4%
60–64
9.0%
65–74
16.9%
75–84
8.2%
85+
3.7%

Children (under 15): 13.7% · Seniors (65+): 28.8%

Income & Poverty

Median household income$72,026+$253 vs state
Mean household income$98,711
Per-capita income$44,739
Poverty rate5.0%-1.5% vs state
Unemployment rate2.0%
Employment-to-population55.0%

Top Industries by Employment

Professional & business services
23.6%
Construction
11.4%
Manufacturing
11.1%
Finance & real estate
10.5%
Education & health care
8.2%
Public administration
5.1%
Arts, entertainment & food
5.1%
Information
5.0%

The largest employment sector in Lincoln County is professional & business services, accounting for 23.6% of workers.

How residents commute

0.2%

Drive alone

2.7%

Carpool

75.4%

Public transit

11.3%

Work from home

23.7 min

Avg commute

Housing

$306,200+$39,800 vs state

Median home value

$1,003

Median rent

83.8%

Homeownership rate

23,810

Total housing units

68.0%

Occupied

32.0%

Vacant

16.2%

Renter-occupied

Social & access

92.5%

With health insurance

93.8%

With broadband internet

41.5%

Foreign-born

11.0%

Veterans (18+)

16.1%

With a disability

97.4%

Speak language other than English at home

Education

94.9%

High School+

40.0%

Bachelor's+

Largest cities in Maine

Other counties in Maine

Part of Maine

Metro areas in Maine

County rankings

Frequently Asked Questions

Lincoln County, Maine has a population of 35,840 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 13th-largest county in Maine. Population density is 79 people per square mile.

The population of Lincoln County has grown 6.1% since 2010 (34,384 → 36,491), a +0.43% annualized rate.

The median household income in Lincoln County, Maine is $72,026, with mean (average) household income of $98,711 and per-capita income of $44,739. 5.0% of residents live below the federal poverty level.

In Lincoln County, the largest racial and ethnic groups are White (94.0%), Hispanic or Latino (1.1%), Black or African American (0.5%). Figures are from the US Census Bureau's 2023 ACS 5-year estimates and reflect self-reported responses.

The median age in Lincoln County, Maine is 51.1 years. Residents are 50.7% female and 49.3% male.

The median home value in Lincoln County is $306,200 and median monthly rent is $1,003. 83.8% of occupied housing units are owner-occupied. The county has 23,810 total housing units, 32.0% of which are vacant.

The largest employment sector in Lincoln County, Maine is professional, scientific, and management services, employing 23.6% of workers. The unemployment rate is 2.0%.

Portland is among the largest cities associated with Lincoln County, Maine, with a population of 68,505.

Data from the American Community Survey (ACS) 5-Year estimates.

Source: U.S. Census Bureau ACS, 2026.