Marlborough Population

2010–2026

6,232

2026 projection

2.1% since 2020 (increase)

01K2K3K4K5K6K7K201020122014201620182020202220242026

Source: U.S. Census Bureau decennial counts and annual estimates. 2026 is a projection. Values between recorded years are interpolated.

Use the left and right arrow keys to inspect population observations.

Population by year

Population estimates for Marlborough. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20266,232+190.31%
20256,213+190.31%
20246,194+420.68%
20236,152+250.41%
20226,127+70.11%
20216,120+140.23%
20206,106-2253.55%
20196,331-230.36%
20186,354-80.13%
20176,362-240.38%

Showing 10 of 17 years.

Marlborough Demographics

41.8median age

Median age

Female43.2 yrs
Male41.1 yrs

Adults

4,682
997 seniors · 21%3,685 other adults

Sex

Female 50.4% · 3,089Male 49.6% · 3,041

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S0101

Race and ethnicity

Tap a square or a group below to highlight it.

Each square is about 1% of residents (roughly 61 people).

Hispanic or Latino residents can be of any race. All other groups exclude Hispanic residents.

U.S. Census Bureau, 2024 ACS 5-year estimates · Table B03002

Marlborough Income

$142,105median household income

Median household income

$142,105

Half of households earn more, half earn less

Median earnings

$77,071

Typical yearly pay for a worker 25 or older.

Poverty rate

9.7%

About 1 in 10 residents

U.S. Census Bureau, 2024 ACS 5-year estimates · Tables S1901, S1501, S1701

Marlborough Marital Status

65% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married65%67%62%
Never married21%25%17%
Divorced8%5%11%
Widowed6%1%10%
Separated1%2%0%

U.S. Census Bureau, 2024 ACS 5-year estimates · Table S1201