Marlborough, Massachusetts

Marlborough population, 2020 to 2024

Marlborough added 484 residents from July 2020 to July 2024, a change of +1.2%. In the latest year it moved by +385. Among 58 Massachusetts places of 5,000 or more, that growth ranks 30th; the median place changed by +1.2%. The median place of 5,000+ in Massachusetts has 44,052 people, so Marlborough is 96% of it.

Marlborough covers 20.86 square miles of land and 1.24 of water, for 2,022 people per square mile of land. The median Massachusetts place of 5,000+ has 2,852, so Marlborough is less dense than the typical town.

What county Marlborough is in

All of Marlborough's residents live in Middlesex County, which had 1,668,956 residents in 2024. Marlborough holds 2.5% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Marlborough

1 ZIP Code Tabulation Area (ZCTA) overlaps Marlborough by at least 10% of the ZCTA's or the city's land: 01752. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Marlborough is

The Census internal point of Marlborough is at 42.349600, -71.547200. Boston, the capital, is 24.7 miles E in a straight line. The nearest larger place is Framingham, MA (73,361 people), 6.3 miles away. The nearest city of 100,000 or more is Worcester, MA, 14.4 miles away.

Daylight in Marlborough

At 42.35° N, Marlborough gets about 15 h 17 min of daylight around the June solstice and 9 h 05 min around the December solstice, a swing of 6 h 12 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Marlborough

The eight nearest incorporated places of 1,000+ in Massachusetts, measured between internal points. The closest is Framingham, 6.4 miles away, with 73,361 people.