Leominster Population

1790–2026

44,321

2026 projection

1.3% since 2020 (increase)

010K20K30K40K50K18001850190019502000

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 Leominster. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
202644,321+1270.29%
202544,194-600.14%
202444,254+2840.65%
202343,970+490.11%
202243,921+1860.43%
202143,735-90.02%
202043,744+2,0875.01%
201941,657-420.10%
201841,699+1080.26%
201741,591+1870.45%

Showing 10 of 39 years.

Leominster Demographics

43.3median age

Median age

Female46.7 yrs
Male41.2 yrs

Adults

35,566
8,479 seniors · 24%27,087 other adults

Sex

Female 49.7% · 21,828Male 50.3% · 22,081

Population by age

MaleFemale85+ years, male: 44185+ years, female: 82980–84 years, male: 45680–84 years, female: 47275–79 years, male: 85475–79 years, female: 57370–74 years, male: 77470–74 years, female: 1,06065–69 years, male: 1,44465–69 years, female: 1,57660–64 years, male: 1,68260–64 years, female: 2,06255–59 years, male: 1,80955–59 years, female: 1,62650–54 years, male: 1,39550–54 years, female: 1,83845–49 years, male: 1,11445–49 years, female: 1,21140–44 years, male: 1,42640–44 years, female: 1,07735–39 years, male: 1,41135–39 years, female: 1,45130–34 years, male: 1,17330–34 years, female: 1,49925–29 years, male: 1,62925–29 years, female: 1,37420–24 years, male: 1,68920–24 years, female: 86415–19 years, male: 1,08215–19 years, female: 95210–14 years, male: 1,37710–14 years, female: 1,3755–9 years, male: 9955–9 years, female: 1,1120–4 years, male: 1,3300–4 years, female: 87785+80–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–41K1K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

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 439 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

Leominster Income

$83,816median household income

Median household income

$83,816

Half of households earn more, half earn less

Median earnings

$60,228

Typical yearly pay for a worker 25 or older.

Poverty rate

9.2%

About 1 in 11 residents

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

Leominster Marital Status

46% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married46%46%46%
Never married32%38%27%
Divorced13%11%14%
Widowed7%3%11%
Separated2%2%3%

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

Sources

10 sources, all from the U.S. Census Bureau

Population

American Community Survey, 2024 5-year