Demographics of Saco city, Maine

Saco city, Maine had 21,159 people on July 1, 2025, by the Census Bureau’s estimate: +742 since July 2020. Age, income, poverty, housing and origin below come from the survey, averaged over 2020–2024, each with its margin of error.

Saco city, in four figures

21,159
Population: July 1, 2025, Vintage 2025 estimate. The survey’s 2020–⁠2024 figure is 20,819 ±34.; +3.6%
Change since July 2020: +742 people.; 44.9 ±1.5
Median age: ACS 2020–⁠2024.; $92,241 ±$10,901
Median household income: ACS 2020–⁠2024, in 2024 dollars.

Population, year by year

July 1 estimates from the Census Bureau’s Vintage 2025. The Bureau publishes no births, deaths or migration for a place, so the change is the difference between one July estimate and the next.

Saco city, Maine's population grew 3.6% from July 2020 to July 2025, against +3.1% nationally

The July 1 estimate of Saco city, Maine's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).

Source: The Census Bureau

About this chart

The figures

Saco city, Maine's population grew 3.6% from July 2020 to July 2025, against +3.1% nationally. The July 1 estimate of Saco city, Maine's resident population and the nation's, each year of the Census Bureau's Vintage 2025, as a share of its July 2020 level (= 100).
July 1	Population	Index	United States
2020	20,417	100.0	100.0
2021	20,710	101.4	100.2
2022	20,926	102.5	100.7
2023	21,077	103.2	101.6
2024	21,138	103.5	102.5
2025	21,159	103.6	103.1

Population of Saco city, Maine on July 1 of each year, Vintage 2025
July 1	Population	Change
2020	20,417	—
2021	20,710	+293
2022	20,926	+216
2023	21,077	+151
2024	21,138	+61
2025	21,159	+21

Age, 2020–2024

The median age is 44.9 ±1.5: for men 43.3 ±2.6 and for women 46.0 ±2.2. Shares are of everyone the survey counts, in the Bureau’s sex-by-age table (B01001).

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People in Saco city by age, ACS 2020–2024
Age	People	Share	Maine	United States
Under 5	717 ±238	3.4% ±1.1	4.5% ±<0.1	5.6% ±<0.1
5 to 17	2,765 ±459	13.3% ±2.2	13.6% ±0.2	16.3% ±<0.1
18 to 24	1,539 ±327	7.4% ±1.6	8.0% ±0.1	9.1% ±<0.1
25 to 44	5,427 ±651	26.1% ±3.1	24.2% ±0.2	26.9% ±<0.1
45 to 64	6,519 ±628	31.3% ±3.0	27.4% ±0.2	24.8% ±<0.1
65 and over	3,852 ±431	18.5% ±2.1	22.4% ±0.2	17.2% ±<0.1

Income and poverty, 2020–2024

Median household income is $92,241 ±$10,901, and income per person $51,652 ±$3,579, in 2024 dollars. The median is $74,733 ±$795 in Maine and $80,734 ±$166 in the United States.

Households by income

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Households in Saco city by income, ACS 2020–2024
Household income	Households	Share	Maine	United States
Under $25,000	1,015 ±298	11.3% ±3.3	15.0% ±0.4	14.6% ±<0.1
$25,000 to $49,999	1,276 ±310	14.2% ±3.4	18.4% ±0.4	16.7% ±<0.1
$50,000 to $74,999	1,478 ±371	16.4% ±4.1	16.8% ±0.4	15.5% ±<0.1
$75,000 to $99,999	1,157 ±248	12.9% ±2.7	13.0% ±0.4	12.6% ±<0.1
$100,000 to $149,999	1,703 ±315	18.9% ±3.4	18.4% ±0.4	17.5% ±<0.1
$150,000 to $199,999	1,028 ±234	11.4% ±2.6	9.1% ±0.3	9.6% ±<0.1
$200,000 or more	1,341 ±275	14.9% ±3.0	9.4% ±0.3	13.4% ±0.1

Poverty by age

The poverty rate is the share of people whose family income is below the federal threshold for their family’s size, of everyone for whom the Bureau determines it (B17020).

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Poverty rate in Saco city by age, ACS 2020–2024
Age	Below poverty	Rate	Maine	United States
All ages	1,319 ±416	6.4% ±2.0	10.7% ±0.3	12.5% ±0.1
Under 18	96 to 454	2.9% to 13.0%	13.1% ±0.7	16.1% ±0.1
18 to 59	722 ±281	6.2% ±2.4	10.5% ±0.3	11.6% ±0.1
60 and over	322 ±143	5.8% ±2.5	9.7% ±0.4	11.0% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Housing, 2020–2024

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Housing in Saco city, ACS 2020–2024
Measure	Saco city	Maine	United States
Housing units	9,869 ±410	751,876 ±671	143,775,355 ±10,234
Occupied	91.2% ±5.3	79.4% ±0.3	89.9% ±0.1
Vacant	8.8% ±2.5	20.6% ±0.3	10.1% ±0.1
Owner occupied	72.8% ±3.1	74.3% ±0.5	65.2% ±0.3
Renter occupied	27.2% ±4.0	25.7% ±0.4	34.8% ±0.1
Median home value	$413,100 ±$16,543	$296,600 ±$2,876	$332,700 ±$236
Median gross rent	$1,249 ±$385	$1,139 ±$13	$1,413 ±$2
Median year built	1982 ±3	1977 ±1	1980 ±1

Occupied and vacant are shares of all housing units; owner and renter occupied are shares of occupied units. Value and rent are medians in 2024 dollars.

Origin and place of birth, 2020–2024

Hispanic or Latino origin is not a race in the Census Bureau’s tables. Here the people of Hispanic origin, of any race, are one row, and everyone else is counted by race alone (B03002), so the rows add to the whole.

Hispanic origin and race

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People in Saco city by Hispanic origin and race, ACS 2020–2024
Origin	People	Share	Maine	United States
Hispanic or Latino	738 ±305	3.5% ±1.5	2.2% ±<0.1	19.3% ±<0.1
White alone, not Hispanic	17,380 ±617	83.5% ±3.0	89.9% ±0.2	57.4% ±<0.1
Black alone, not Hispanic	128 to 680	0.6% to 3.3%	1.8% ±0.1	11.9% ±<0.1
Asian alone, not Hispanic	104 to 386	0.5% to 1.9%	1.1% ±0.1	5.9% ±<0.1
American Indian and Alaska Native alone, not Hispanic	0 to 20	0% to 0.1%	0.3% ±<0.1	0.5% ±<0.1
Native Hawaiian and Other Pacific Islander alone, not Hispanic	0 to 20	0% to 0.1%	< 0.1% ±<0.1	0.2% ±<0.1
Some other race alone, not Hispanic	50 to 692	0.2% to 3.3%	0.4% ±0.1	0.6% ±<0.1
Two or more races, not Hispanic	1,681 ±567	8.1% ±2.7	4.2% ±0.2	4.3% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Place of birth and citizenship

“Born a citizen outside the states” counts people born in Puerto Rico, the island areas, or abroad to American parents. Naturalized citizens and those who are not citizens together make up the people born abroad (B05002).

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People in Saco city by place of birth and citizenship, ACS 2020–2024
Born	People	Share	Maine	United States
Born in the state	12,075 ±656	58.0% ±3.1	59.6% ±0.4	57.3% ±<0.1
Born in another state	6,826 ±708	32.8% ±3.4	35.2% ±0.3	26.9% ±<0.1
Born a citizen outside the states	151 to 491	0.7% to 2.4%	1.1% ±0.1	1.7% ±<0.1
Born abroad	1,597 ±355	7.7% ±1.7	4.1% ±0.1	14.1% ±<0.1
Naturalized citizens	946 ±243	4.5% ±1.2	2.1% ±0.1	7.4% ±<0.1
Not citizens	651 ±261	3.1% ±1.3	1.9% ±0.1	6.8% ±<0.1

A range (the estimate less and plus its margin) where the Bureau's estimate is too uncertain to state as one number: a coefficient of variation over 30%.

Saco city among the places and towns of Maine

10th of 81 places and towns of 5,000 or more by the survey’s 2020–2024 count. Every one is listed on the Maine page.

Places of Maine near Saco city in population, ACS 2020–2024
Place	ACS 2020–⁠2024
Auburn city	24,602 ±29
Scarborough town	23,215 ±54
Biddeford city	22,498 ±22
Brunswick town	22,336 ±30
Sanford city	22,247 ±24
Saco city	20,819 ±34
Westbrook city	20,775 ±22
Windham town	19,188 ±27
Augusta city	19,077 ±35
Gorham town	18,300 ±20
Brunswick CDP	17,652 ±447

Rankings this appears in

No. 1 Places in Maine by Hispanic or Latino share
No. 3 Places in Maine by foreign-born share
No. 6 Places in Maine by median rent
No. 7 Places in Maine by median household income
No. 7 Places in Maine by per capita income
No. 10 Places in Maine by median age

Sources

Census Bureau population estimates — incorporated places and New England towns — U.S. Census Bureau · U.S. Government work · retrieved September 25, 2026
American Community Survey 5-year estimates — table-based Summary File · U.S. Government work

Compiled automatically from Census Bureau population estimates — incorporated places and New England towns and American Community Survey 5-year estimates — table-based Summary File by a checked SQL query · Editor: Kian O'Connor · How this site is built

Data retrieved September 25, 2026