Monmouth Population

2011–2026

172

2026 projection

52.2% since 2020 (increase)

05010015020025020122014201620182020202220242026

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 Monmouth. Annual change is shown as a percentage. Growth is the total change since the preceding observation.
2026172+21.18%
2025170+20.59%
2023168-3416.83%
2022202+9181.98%
2021111-21.77%
2020113+21.80%
2019111+87.77%
2018103-5735.62%
2017160+53.23%
2016155-5425.84%

Showing 10 of 15 years.

Monmouth Demographics

28.9median age

Median age

Female29.8 yrs
Male28.1 yrs

Adults

73
17 seniors · 23%56 other adults

Sex

Female 50.4% · 58Male 49.6% · 57

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 1 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

Monmouth Income

$43,906median household income

Median household income

$43,906

Half of households earn more, half earn less

Poverty rate

20.9%

About 1 in 5 residents

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

Monmouth Marital Status

38% of residents age 15 and older are married.

MarriedNever married
Overall
Male
Female
Marital status of residents age 15 and older
StatusOverallMaleFemale
Married38%46%32%
Never married37%55%22%
Divorced8%0%15%
Widowed7%0%12%
Separated11%0%20%

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