Lincoln County, Maine Demographics 2026

Name: Lincoln County, Maine Demographics
Creator: U.S. Census Bureau
License: https://www.census.gov/data/developers/about/terms-of-service.html

Lincoln County, Maine has a population of 36,099, the 13th most populous county in Maine. The median household income is $76,875 and the median home value is $332,700. The poverty rate is 7.9%.

Data vintage: U.S. Census Bureau ACS 2020–2024 5-Year Estimates · refreshed July 2026 · Methodology & source notes

Lincoln County Quick Facts

Population 36,099

Median Household Income $76,875

Median Home Value $332,700

Poverty Rate 7.9%

Unemployment Rate 2.9%

Median Age 51.4 years

Homeownership Rate 82.5%

Affordability Ratio 4.3x

Bachelor's Degree+ 40.2%

High School Graduation 95.0%

Cities/Places 5

Population 36,099 13th of 16

Median Income $76,875 3% higher than state

Poverty Rate 7.9%

Unemployment 2.9%

How Lincoln County Changed

Change from the 2019–2023 ACS period to 2020–2024. These are rolling five-year estimates, not year-over-year measurements.

Metric	2019–2023	2020–2024	Change
Population	35,840	36,099	+0.7%
Median household income	$72,026	$76,875	+6.7%
Median home value	$306,200	$332,700	+8.7%

Median Household Income

Lincoln

$76,875

$74,733

National

$80,734

Median Home Value

Lincoln

$332,700

$296,600

National

$332,700

Economy & Housing

Household Income Distribution

Under $25K 13.3%

$25K-$50K 19.1%

$50K-$100K 29.8%

$100K+ 37.8%

Detailed income brackets

Under $10K

2.7%

$10K-$15K

4.1%

$15K-$20K

3.5%

$20K-$25K

3.1%

$25K-$30K

3.8%

$30K-$35K

4.5%

$35K-$40K

3.3%

$40K-$45K

4.2%

$45K-$50K

3.2%

$50K-$60K

6.2%

$60K-$75K

10.5%

$75K-$100K

13.1%

$100K-$125K

12.8%

$125K-$150K

7.4%

$150K-$200K

9.5%

$200K+

8.2%

Employment

2.9% Unemployment Rate State: 3.8%|National: 5.2%

56.6% Labor Force Participation

Housing Overview

Owner 82.5%

Renter 17.5%

Affordability Index Moderate

4.3x home value to income ratio

Median gross rent $1,055/mo 16.5% of median household income annually

People & Demographics

Age Distribution

Under 18

16.5%

18-34

15.9%

35-54

22.1%

55-74

33.2%

75+

12.3%

Race & Ethnicity

Diversity Index

Very Low Diversity

A less diverse community where one racial or ethnic group represents a large majority.

State average: 19 | National average: 61

Education

Educational Attainment (Adults 25+)

Cities & Places in Lincoln County

City	Population	Median Income	Poverty	Home Value
Waldoboro	1,459	$68,895	10.6%	$291,600
Damariscotta	1,100	$67,647	15.7%	$419,100
Boothbay Harbor	1,047	$49,861	25.6%	$327,800
Wiscasset	898	$90,147	6.5%	$288,700
Newcastle	664	$80,833	5.9%	$420,500

Explore Maine Rankings

Cities by Population All cities ranked by size Richest Cities Ranked by median income Most Educated By bachelor's degree rate Most Affordable By housing affordability

Population Overview

Lincoln County is located in Maine with a total population of 36,099. It is the 13th most populous county out of 16 in Maine. The county encompasses 5 Census-designated places.

Age Demographics

The median age in Lincoln County is 51.4 years. This is 15% higher than the state median of 44.8 years. 12.3% of residents are 75 or older, suggesting a significant retirement-age population with implications for healthcare services and senior housing.

Economy, Income & Housing

The median household income in Lincoln County is $76,875. This is 3% higher than the state median of $74,733. It is also 5% lower than the national median of $80,734. The poverty rate stands at 7.9%. This is 27% lower than the state poverty rate of 10.8%. The unemployment rate is 2.9%. This is 23% lower than the state rate of 3.8%. The median home value is $332,700. Housing costs are 12% higher than the state median of $296,600. The home-value-to-income ratio is 4.3x. 82.5% of occupied housing units are owner-occupied. This homeownership rate is 11% higher than the state average of 74.3%.

Race & Ethnicity

Lincoln County has a predominantly White (non-Hispanic) population, comprising 93.1% of all residents. Hispanic or Latino residents account for 1.4%. The Black or African American population (0.8%) is well below the state average of 1.8%.

Education

40.2% of residents aged 25 and older hold a bachelor's degree or higher. This is 11% higher than the state rate of 36.2%. Nationally, 35.7% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 95.0%. Notably, 16.3% of adults hold a graduate or professional degree, indicating a highly educated workforce.

Data Sources & Methodology

All figures for Lincoln County come from the U.S. Census Bureau's American Community Survey (ACS) 2020–2024 5-Year Estimates, with comparisons drawn against Maine and national averages from the same dataset. See our methodology page for how each metric is defined, or data.census.gov for official tables with margins of error.

Frequently Asked Questions

What is the population of Lincoln County, Maine?

Lincoln County has a population of 36,099, making it the 13th most populous county in Maine.

What is the median income in Lincoln County?

The median household income in Lincoln County is $76,875 with a poverty rate of 7.9%.

How many cities are in Lincoln County, Maine?

Lincoln County contains 5 Census-designated places.