Belfast city Population

2010–2026

6,976

2026 projection

0.3% since 2020 (increase)

02K4K6K8K201020122014201620182020202220242026

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 Belfast city. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
20266,976-120.17%
20256,988-120.17%
20247,000+10.01%
20236,999-60.09%
20227,005-210.30%
20217,026+721.04%
20206,954+2513.74%
20196,70300.00%
20186,703-290.43%
20176,732+150.22%

Showing 10 of 17 years.

Belfast city Demographics

60.6median age

Median age

Female61.8 yrs
Male56.8 yrs

Adults

5,993
2,729 seniors · 46%3,264 other adults

Sex

Female 55.5% · 3,875Male 44.5% · 3,111

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 70 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

Belfast city Income

$67,679median household income

Median household income

$67,679

Half of households earn more, half earn less

Median earnings

$45,519

Typical yearly pay for a worker 25 or older.

Poverty rate

16.1%

About 1 in 6 residents

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

Belfast city Marital Status

52% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married52%60%46%
Never married22%22%22%
Divorced18%17%19%
Widowed8%<1%14%
Separated0%0%0%

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