Sagadahoc County, Maine Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates · 12th-largest in Maine
The population of Sagadahoc County, Maine is 37,093 as of the 2023 American Community Survey, making it the 12th-largest county in Maine. The median household income is $82,080, the median home value is $300,200, and the median age is 47.3.
The population of Sagadahoc County has grown 6.7% since 2010 (35,229 → 37,582), a +0.46% annualized rate.
37,093
Population
+0.46%
Annual growth
146
People / sq mi
$82,080
Median Income
$300,200
Median Home Value
Sagadahoc County covers 254 sq mi of land at 146.0 people per square mile.
About Sagadahoc County, ME
Sagadahoc County is defined demographically by education — 41.1% of adults hold a bachelor’s degree, above the national average. With 37,093 residents, Sagadahoc County is a county in Maine. It ranks #12 among counties in Maine by population.
Households take in a median $82,080, comfortably near the US median of $78,538. The poverty rate is 9.2%, below the national 12.4%. The median home value is $300,200, with typical rent around $1,050.
The population is unusually well-credentialed for US counties — 41.1% of adults have a four-year degree, above the national 35.0%. Remote work is on the higher side at 12.6%, below the national 14.0%, and the average commute runs about 25 minutes each way.
The education numbers are the throughline: a college-heavy population in Sagadahoc County usually coincides with higher incomes and a workforce concentrated in professional and information industries.
Sagadahoc County Population History (2010-2024)
The county of Sagadahoc County had a population of 35,229 in 2010 and 37,582 in 2024, a 6.7% growth over 14 years. The peak was 37,582 in 2024. Average annual growth rate: 0.46%.
37,582
Population (2024)
35,229
Population (2010)
37,582
Peak (2024)
0.46%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 35,229 |
| 2011 | 35,127 |
| 2012 | 35,124 |
| 2013 | 35,031 |
| 2014 | 35,090 |
| 2015 | 35,137 |
| 2016 | 35,206 |
| 2017 | 35,471 |
| 2018 | 35,821 |
| 2019 | 36,057 |
| 2020 | 36,730 |
| 2021 | 37,171 |
| 2022 | 37,402 |
| 2023 | 37,541 |
| 2024 | 37,582 |
Race & Ethnicity
| White | 93.5% |
| Black or African American | 0.5% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 1.0% |
| Two or More Races | 0.0% |
Age & Sex
47.3
Median Age
51.0%
Female
49.0%
Male
24.0%
Age 65+
Age Distribution
Children (under 15): 14.5% · Seniors (65+): 24.0%
Income & Poverty
| Median household income | $82,080+$10,307 vs state |
| Mean household income | $101,281 |
| Per-capita income | $45,131 |
| Poverty rate | 9.2%+2.7% vs state |
| Unemployment rate | 2.9% |
| Employment-to-population | 60.5% |
Top Industries by Employment
The largest employment sector in Sagadahoc County is professional & business services, accounting for 26.9% of workers.
How residents commute
0.3%
Drive alone
2.9%
Carpool
76.2%
Public transit
12.6%
Work from home
24.9 min
Avg commute
Housing
$300,200+$33,800 vs state
Median home value
$1,050
Median rent
77.8%
Homeownership rate
19,109
Total housing units
84.6%
Occupied
15.4%
Vacant
22.2%
Renter-occupied
Social & access
94.6%
With health insurance
95.3%
With broadband internet
34.5%
Foreign-born
10.9%
Veterans (18+)
13.5%
With a disability
96.6%
Speak language other than English at home
Education
94.8%
High School+
41.1%
Bachelor's+
Largest cities in Maine
Other counties in Maine
Part of Maine
Metro areas in Maine
County rankings
Frequently Asked Questions
Sagadahoc County, Maine has a population of 37,093 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 12th-largest county in Maine. Population density is 146 people per square mile.
The population of Sagadahoc County has grown 6.7% since 2010 (35,229 → 37,582), a +0.46% annualized rate.
The median household income in Sagadahoc County, Maine is $82,080, with mean (average) household income of $101,281 and per-capita income of $45,131. 9.2% of residents live below the federal poverty level.
In Sagadahoc County, the largest racial and ethnic groups are White (93.5%), Hispanic or Latino (1.0%), 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 Sagadahoc County, Maine is 47.3 years. Residents are 51.0% female and 49.0% male.
The median home value in Sagadahoc County is $300,200 and median monthly rent is $1,050. 77.8% of occupied housing units are owner-occupied. The county has 19,109 total housing units, 15.4% of which are vacant.
The largest employment sector in Sagadahoc County, Maine is professional, scientific, and management services, employing 26.9% of workers. The unemployment rate is 2.9%.
Portland is among the largest cities associated with Sagadahoc County, Maine, with a population of 68,505.
Sagadahoc County, ME Climate
Sagadahoc County, ME has an average annual temperature of 7.6°C (46°F) and receives about 1137 mm of precipitation per year. The warmest month is July and the coldest is January. Figures are 1970–2000 climate normals.
7.6°C
Avg Temp
1137
Precip (mm/yr)
Jul
Hottest Month
Jan
Coldest Month
| Month | Avg (°C/°F) | Precip |
|---|---|---|
| January | -6° / 21° | 91 mm |
| February | -5° / 24° | 83 mm |
| March | 0° / 33° | 104 mm |
| April | 6° / 43° | 102 mm |
| May | 12° / 54° | 95 mm |
| June | 17° / 63° | 89 mm |
| July | 21° / 69° | 78 mm |
| August | 20° / 68° | 85 mm |
| September | 15° / 59° | 82 mm |
| October | 9° / 49° | 98 mm |
| November | 4° / 39° | 117 mm |
| December | -3° / 27° | 113 mm |
1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.
Best time to visit Sagadahoc County, ME
The most comfortable months to visit Sagadahoc County, ME are typically July, August and June, when temperatures are mildest and rainfall is relatively low. The hottest month is July (around 26°C high). The coldest is January (near -11°C low). November is usually the wettest month.
Where to stay near Sagadahoc County
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Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.