Marlborough is a city located in St. Louis County and St. Louis city Missouri. Marlborough has a 2024 population of 2,158. Marlborough is currently declining at a rate of -0.69% annually and its population has decreased by -2.71% since the most recent census, which recorded a population of 2,218 in 2020.
The average household income in Marlborough is $55,683 with a poverty rate of 8.39%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Marlborough is 30 years, 29.3 years for males, and 31.4 years for females.
According to the most recent ACS, the racial composition of Marlborough was:
White
Two or more races
Black or African American
Asian
Native American
Native Hawaiian or Pacific Islander
Other race
Household Type | Count | Average Size | Owner | Renter |
|---|---|---|---|---|
| All | 1,546 | 1.61 | 6.9 | 93.1 |
| Non Family | 1,035 | 1.25 | 5 | 95 |
| Married | 328 | 2.3 | 16.8 | 83.2 |
| Female | 112 | 2.38 | 0 | 100 |
| Male | 71 | 2.52 | 0 | 100 |
2.32
Average Family Size
1.61
Average Household Size
6.9%
Rate of Home Ownership
Married
Male
Female
NonFamily
owner
renter
Male
Female
Less Than 9th Grade
9th to 12th Grade
High School Graduate
Some College
Associates Degree
Bachelors Degree
Graduate Degree
High School Graduation Rate
Bachelors Rate
The highest rate of high school graduation is among black people with a rate of 100%.
The highest rate of bachelors degrees is among asian people with a rate of 100%.
All
Male
Female
$34,444
Average Earnings
$40,365
Average Male
$29,921
Average Female
Only English
Spanish
Other Indo-European Languages
Asian and Pacific Island Languages
Other Languages
96.97% of Marlborough residents speak only English, while 3.03% speak other languages. The non-English language spoken by the largest group is Asian and Pacific Island languages, which is spoken by 1.84% of the population.
rate
8.39%
Overall Poverty Rate
7.55%
Male Poverty Rate
9.24%
Female Poverty Rate
The race most likely to be in poverty in Marlborough is White, with 10.34% below the poverty level.
The race least likely to be in poverty in Marlborough is White, with 10.34% below the poverty level.
The poverty rate among those that worked full-time for the past 12 months was 1.39%. Among those working part-time, it was 27.52%, and for those that did not work, the poverty rate was 0%.
Married
Widowed
Divorced
Separated
NeverMarried
29.2%
Overall Marriage Rate
28.3%
Male Marriage Rate
30.2%
Female Marriage Rate
male
female
The age group where males are most likely to be married is 35-44, while the female age group most likely to be married is 35-44.
Married
Widowed
Divorced
Separated
NeverMarried
Less Than 9th Grade
High School Graduate
Some College
Bachelors or Greater
0%
Veteran Poverty Rate
17.24%
Veteran Disability Rate
LaborForceParticipation
83.2%
Labor Force Participation
76.5%
Employment Rate
8%
Unemployment Rate
LaborForceParticipation
LaborForceParticipation
Europe
Asia
Africa
Oceania
Latin America
North America
Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.
Europe
Asia
Africa
Oceania
Latin America
North America
70.67%
Born in Marlborough
97.03%
Native Born
2.97%
Foreign Born
1.16%
Non Citizen
1.81%
Naturalized
97.03% of Marlborough residents were born in the United States, with 70.67% having been born in Missouri. 1.16% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Asia.
Year | Population | Growth | Growth Rate |
|---|---|---|---|
| 2029 | 2,083 | -15 | -0.71% |
| 2028 | 2,098 | -15 | -0.71% |
| 2027 | 2,113 | -15 | -0.7% |
| 2026 | 2,128 | -15 | -0.7% |
| 2025 | 2,143 | -15 | -0.7% |
| 2024 | 2,158 | -15 | -0.69% |
| 2023 | 2,173 | -15 | -0.69% |
| 2022 | 2,188 | -19 | -0.86% |
| 2021 | 2,207 | -11 | -0.5% |
| 2020 | 2,218 | 72 | 3.36% |
| 2019 | 2,146 | -1 | -0.05% |
| 2018 | 2,147 | -2 | -0.09% |
| 2017 | 2,149 | -2 | -0.09% |
| 2016 | 2,151 | -8 | -0.37% |
| 2015 | 2,159 | 1 | 0.05% |
| 2014 | 2,158 | 1 | 0.05% |
| 2013 | 2,157 | -1 | -0.05% |
| 2012 | 2,158 | 2 | 0.09% |
| 2011 | 2,156 | 4 | 0.19% |
| 2010 | 2,152 | 0 | 0% |