Northumberland town Population

2010–2026

5,182

2026 projection

1.1% since 2020 (decrease)

01K2K3K4K5K6K201020122014201620182020202220242026

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 Northumberland town. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20265,182+10.02%
20255,181+10.02%
20245,180-50.10%
20235,185-520.99%
20225,237-200.38%
20215,257+170.32%
20205,240+1673.29%
20195,073-470.92%
20185,120-130.25%
20175,133+100.20%

Showing 10 of 17 years.

Northumberland town Demographics

46.3median age

Median age

Female47.4 yrs
Male44.2 yrs

Adults

4,223
989 seniors · 23%3,234 other adults

Sex

Female 50% · 2,608Male 50% · 2,611

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 52 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

Northumberland town Income

$91,178median household income

Median household income

$91,178

Half of households earn more, half earn less

Median earnings

$62,307

Typical yearly pay for a worker 25 or older.

Poverty rate

7.7%

About 1 in 13 residents

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

Northumberland town Marital Status

54% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married54%54%54%
Never married30%35%24%
Divorced10%8%12%
Widowed5%2%8%
Separated2%2%1%

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