Saco, Maine Population 2026
Updated April 2026 · US Census ACS 2023 5-Year Estimates
The population of Saco, Maine is 20,636 as of the 2023 American Community Survey, making it the 8th-largest city in Maine. The median household income is $84,328, the median home value is $370,300, and the median age is 43.7.
The population has grown 13.8% since 2010 (18,508 → 21,064).
20,636
Population
535
People / sq mi
$84,328
Median Income
$370,300
Median Home Value
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Saco covers 38.6 sq mi of land at 535 people per square mile.
About Saco, ME
Saco stands apart on settlement density — it is among the most sparsely settled of US cities, at roughly 535 people per square mile. Saco is a city in Maine with a population of 20,636. That makes it one of the ten largest cities in Maine in the country, at #8 by population.
The typical household here earns about $84,328, above the US median of $78,538. Poverty runs at 5.7%, below the national 12.4%. The typical home is valued at $370,300, with typical rent around $1,268.
Degree attainment is mid-range for US cities: 40.5% of adults hold a four-year degree, above the national 35.0%. About 15.7% of the workforce is home-based, above the national 14.0%, and the average commute runs about 25 minutes each way.
Saco city Population History (2010-2024)
The city of Saco city had a population of 18,508 in 2010 and 21,064 in 2024, a 13.8% growth over 14 years. The peak was 21,064 in 2024. Average annual growth rate: 0.93%.
21,064
Population (2024)
18,508
Population (2010)
21,064
Peak (2024)
0.93%
Avg Annual Growth
| Year | Population |
|---|---|
| 2010 | 18,508 |
| 2011 | 18,639 |
| 2012 | 18,758 |
| 2013 | 18,879 |
| 2014 | 19,036 |
| 2015 | 19,061 |
| 2016 | 19,240 |
| 2017 | 19,525 |
| 2018 | 19,669 |
| 2019 | 19,964 |
| 2020 | 20,419 |
| 2021 | 20,716 |
| 2022 | 20,908 |
| 2023 | 21,026 |
| 2024 | 21,064 |
Race & Ethnicity
| White | 86.8% |
| Black or African American | 2.9% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.8% |
| Two or More Races | 0.0% |
Economy & Income
$84,328
Median Household Income
$46,633
Per Capita Income
5.7%
Poverty Rate
1.2%
Unemployment Rate
Housing
$370,300
Median Home Value
$1,268
Median Rent
69.9%
Owner-Occupied
Education
95.8%
High School+
40.5%
Bachelor's+
Commute
0.8%
Drive Alone
72.7%
Public Transit
15.7%
Work From Home
24.6 min
Avg Commute
Community Profile
30.3%
Foreign Born
88.6%
Non-English at Home
6.2%
Veterans
12.3%
With Disability
96.6%
Health Insurance
96.3%
Internet Access
Employment by Industry
| Professional, Scientific & Management | 23.7% |
| Finance, Insurance & Real Estate | 12.2% |
| Education, Health Care & Social Services | 11.8% |
| Information | 7.9% |
| Manufacturing | 7.4% |
| Construction | 4.6% |
| Retail Trade | 4.2% |
| Arts, Entertainment & Food Services | 4.1% |
| Public Administration | 3.2% |
| Agriculture & Mining | 2.6% |
| Transportation & Warehousing | 1.9% |
Largest cities in Maine
Largest counties in Maine
Part of Maine
Metro areas in Maine
City rankings
Frequently Asked Questions
Saco, Maine has a population of 20,636 according to the US Census Bureau's 2023 American Community Survey 5-year estimates, making it the 8th-largest city in Maine.
The median household income in Saco, Maine is $84,328, with 5.7% of residents living below the federal poverty level.
The median home value in Saco, Maine is $370,300, with median monthly rent at $1,268 and a homeownership rate of 69.9%.
The median age in Saco, Maine is 43.7 years. The population is 50.4% male and 49.6% female.
The population has grown 13.8% since 2010 (18,508 → 21,064).
Where to stay in Saco
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Statewide data for Maine
Population, race, income, age, and trends across Maine
Data from the American Community Survey (ACS) 5-Year estimates.
Source: U.S. Census Bureau ACS, 2026.