Mariemont, Ohio Population 2024

3,386

Mariemont is a city located in Hamilton County Ohio. Mariemont has a 2024 population of 3,386. Mariemont is currently declining at a rate of -0.94% annually and its population has decreased by -3.64% since the most recent census, which recorded a population of 3,514 in 2020.

The average household income in Mariemont is $192,084 with a poverty rate of 1.16%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Mariemont is 37.8 years, 36.5 years for males, and 38.8 years for females.

Mariemont Demographics

According to the most recent ACS, the racial composition of Mariemont was:

  • White: 95.48%
  • Black or African American: 2.78%
  • Two or more races: 1.37%
  • Other race: 0.37%
  • Native American: 0%
  • Asian: 0%
  • Native Hawaiian or Pacific Islander: 0%
State
Ohio
Land Area (mi²)
0.9 sq mi
Density (mi²)
3,788.10/sq mi
Growth Since 2020
-3.64% (-128)
The current population of Mariemont, Ohio is 3,386 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 3,514.

Mariemont, Ohio Population 2024

Population by Race

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Race
Population
Percentage (of total)
White3,33595.48%
Black or African American972.78%
Two or more races481.37%
Other race130.37%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%

White

Black or African American

Two or more races

Other race

Native American

Asian

Native Hawaiian or Pacific Islander

Mariemont Population by Race

Mariemont Population Pyramid 2024

Mariemont Median Age

37.8

Total

36.5

Male

38.8

Female

Mariemont Adults

There are 2,540 adults, (515 of whom are seniors) in Mariemont.

Mariemont Age Dependency

72.5

Age Dependency Ratio

25.4

Old Age Dependency Ratio

47.1

Child Dependency Ratio

Mariemont Sex Ratio

Female1,74850.04%
Male1,74549.96%

Mariemont Population by Age

Mariemont Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1,4102.4471.628.4
Married8213.2791.88.2
Non Family5361.1637.762.3
Female532.71000
Male0000

3.23

Average Family Size

2.44

Average Household Size

71.6%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Mariemont Households and Families

Male

Female

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Education Attained
Count
Percentage
Less Than 9th Grade00%
9th to 12th Grade200.85%
High School Graduate1144.83%
Some College24110.22%
Associates Degree622.63%
Bachelors Degree85036.03%
Graduate Degree1,07245.44%

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Mariemont Educational Attainment by Sex (over 25)

Mariemont Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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Race
Total
High School
Bachelors
White2,2552,2351,849
Black979766
2+ Races777

The highest rate of high school graduation is among black people with a rate of 100%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 100%.

Mariemont Educational Attainment by Race

All

Male

Female

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Name
Average
Male
Female
Overall$87,474$92,188$69,353
Less Than 9th Grade$0$0$0
High School Graduate$0$0$0
Some College$60,724$75,313$0
Bachelors Degree$83,917$116,875$62,981
Graduate Degree$90,859$88,375$97,308

$87,474

Average Earnings

$92,188

Average Male

$69,353

Average Female

Mariemont Earnings by Educational Attainment

Mariemont Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Mariemont Language

97.84% of Mariemont residents speak only English, while 2.16% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.45% of the population.

Mariemont Language

Mariemont Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White3,310310.94%
Black75912%

1.16%

Overall Poverty Rate

0.88%

Male Poverty Rate

1.44%

Female Poverty Rate

Poverty in Mariemont

The race most likely to be in poverty in Mariemont is Black, with 12% below the poverty level.

The race least likely to be in poverty in Mariemont is White, with 0.94% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 0%. Among those working part-time, it was 0%, and for those that did not work, the poverty rate was 5.98%.

Mariemont Poverty

rate

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Rate
Poverty
High School9.28%
Some College5.32%
Bachelors or Greater0.83%
Less Than 9th Grade0%

Mariemont Poverty Rate by Education

rate

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Rate
Poverty
Male Employed0%
Male Unemployed0%
Female Employed0%
Female Unemployed0%

Mariemont Poverty Rate by Employment Status and Sex

Mariemont Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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Name
Median
Mean
Households$135,326$192,084
Families$198,712$263,364
Married Families$230,150$-999,999,999
Non Families$62,700$75,855

mean

median

Income by Household Type

Mariemont Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

60.1%

Overall Marriage Rate

64.6%

Male Marriage Rate

55.9%

Female Marriage Rate

Mariemont Married by Age and Sex

male

female

Mariemont Marriage

The age group where males are most likely to be married is 55-64, while the female age group most likely to be married is 45-54.

Mariemont Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Mariemont Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

113

Number of Veterans

104

Male Veterans

9

Female Veterans

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War
Veterans
Vietnam70
Korea17
First Gulf War12
Second Gulf War0
World War II0

Mariemont Veterans by War

count

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Age Group
Veterans
75+52
65 to 7449
35 to 5412
18 to 340
55 to 640

Mariemont Veterans by Age

count

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Name
Veterans
% of Total
White1134.65%

Mariemont Veterans by Race

Mariemont Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

9.28%

Veteran Poverty Rate

18.56%

Veteran Disability Rate

Mariemont Veterans by Education

LaborForceParticipation

67.1%

Labor Force Participation

66%

Employment Rate

1.6%

Unemployment Rate

Mariemont Employment by Age

LaborForceParticipation

Mariemont Employment by Race

LaborForceParticipation

Mariemont Employment by Education

Origin of Non-Citizens

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.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

52.93%

Born in Mariemont

96.65%

Native Born

3.35%

Foreign Born

2.23%

Non Citizen

1.12%

Naturalized

Place of Birth

96.65% of Mariemont residents were born in the United States, with 52.93% having been born in Ohio. 2.23% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Mariemont Place of Birth

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
20293,226-32-0.98%
20283,258-32-0.97%
20273,290-32-0.96%
20263,322-32-0.95%
20253,354-32-0.95%
20243,386-32-0.94%
20233,418-32-0.93%
20223,450-36-1.03%
20213,486-28-0.8%
20203,514581.68%
20193,456-9-0.26%
20183,465240.7%
20173,44130.09%
20163,43860.17%
20153,432431.27%
20143,38920.06%
20133,38720.06%
20123,38500%
20113,385-14-0.41%
20103,399-9-0.26%
20003,4082909.3%
19903,118-177-5.37%
19803,295-1,245-27.42%
19704,54042010.19%
19604,12060617.25%
19503,51400%
showing: 26 rows

Mariemont Population by Year