Merrimac Population

2010–2026

524

2026 projection

1.2% since 2020 (increase)

0100200300400500600201020122014201620182020202220242026

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 Merrimac. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026524+10.19%
2025523-20.38%
202452500.00%
202352500.00%
2022525+30.57%
2021522+40.77%
2020518+7817.73%
2019440-30.68%
2018443+40.91%
2017439+10.23%

Showing 10 of 17 years.

Merrimac Demographics

39.3median age

Median age

Female42.3 yrs
Male38.3 yrs

Adults

433
94 seniors · 22%339 other adults

Sex

Female 43.2% · 246Male 56.8% · 324

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 6 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

Merrimac Income

$92,417median household income

Median household income

$92,417

Half of households earn more, half earn less

Median earnings

$61,696

Typical yearly pay for a worker 25 or older.

Poverty rate

6.7%

About 1 in 15 residents

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

Merrimac Marital Status

42% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married42%35%52%
Never married40%49%28%
Divorced10%10%9%
Widowed7%5%10%
Separated<1%0%2%

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