Marble Rock, Iowa Population 2024

263

Marble Rock is a city located in Floyd County Iowa. Marble Rock has a 2024 population of 263. Marble Rock is currently declining at a rate of -0.38% annually and its population has decreased by -2.23% since the most recent census, which recorded a population of 269 in 2020.

The average household income in Marble Rock is $80,280 with a poverty rate of 7.75%. The median rental costs in recent years comes to - per month, and the median house value is -. The median age in Marble Rock is 47.9 years, 45 years for males, and 51.3 years for females.

Marble Rock Demographics

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

  • White: 95.94%
  • Two or more races: 4.06%
  • Black or African American:
  • Native American:
  • Asian:
  • Native Hawaiian or Pacific Islander:
  • Other race:
State
Iowa
Land Area (mi²)
0.8 sq mi
Density (mi²)
317.0/sq mi
Growth Since 2020
-2.23% (-6)
The current population of Marble Rock, Iowa is 263 based on our projections of the latest US Census estimates.The last official US Census in 2020 recorded the population at 269.

Marble Rock, Iowa Population 2024

Population by Race

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Race
Population
Percentage (of total)
White26095.94%
Two or more races114.06%
Black or African American
Native American
Asian
Native Hawaiian or Pacific Islander
Other race
showing: 7 rows

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Marble Rock Population by Race

Marble Rock Population Pyramid 2024

Marble Rock Median Age

47.9

Total

45

Male

51.3

Female

Marble Rock Adults

There are 215 adults, (56 of whom are seniors) in Marble Rock.

Marble Rock Age Dependency

70.4

Age Dependency Ratio

35.2

Old Age Dependency Ratio

35.2

Child Dependency Ratio

Marble Rock Sex Ratio

Female11542.44%
Male15657.56%

Marble Rock Population by Age

Marble Rock Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All1192.2881.518.5
Non Family521.1971.228.8
Married502.98964
Female103.58020
Male73.5757.142.9
showing: 5 rows

3

Average Family Size

2.28

Average Household Size

81.5%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Marble Rock Households and Families

Male

Female

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Marble Rock Educational Attainment by Sex (over 25)

Marble Rock Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

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

The highest rate of bachelors degrees is among hispanic people with a rate of 100%.

Marble Rock Educational Attainment by Race

All

Male

Female

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

$40,577

Average Earnings

$53,750

Average Male

$33,214

Average Female

Marble Rock Earnings by Educational Attainment

Marble Rock Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Marble Rock Language

92.16% of Marble Rock residents speak only English, while 7.84% speak other languages. The non-English language spoken by the largest group is Spanish, which is spoken by 7.84% of the population.

Marble Rock Language

Marble Rock Poverty by Race

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Name
Total
In Poverty
Poverty Rate
White260186.92%
Multiple11327.27%
showing: 2 rows

7.75%

Overall Poverty Rate

5.13%

Male Poverty Rate

11.3%

Female Poverty Rate

Poverty in Marble Rock

The race most likely to be in poverty in Marble Rock is Multiple, with 27.27% below the poverty level.

The race least likely to be in poverty in Marble Rock is White, with 6.92% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.96%. Among those working part-time, it was 8.57%, and for those that did not work, the poverty rate was 11.11%.

Marble Rock Poverty

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Rate
Poverty
Some College13.24%
Less Than 9th Grade13.04%
High School3.09%
Bachelors or Greater
showing: 4 rows

Marble Rock Poverty Rate by Education

rate

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Rate
Poverty
Female Employed8%
Male Employed2.41%
Male Unemployed
Female Unemployed
showing: 4 rows

Marble Rock Poverty Rate by Employment Status and Sex

Marble Rock Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

mean

median

Income by Household Type

Marble Rock Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

40.4%

Overall Marriage Rate

35.5%

Male Marriage Rate

46.7%

Female Marriage Rate

Marble Rock Married by Age and Sex

male

female

Marble Rock Marriage

The age group where males are most likely to be married is Over 65, while the female age group most likely to be married is 45-54.

Marble Rock Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Marble Rock Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

21

Number of Veterans

21

Male Veterans

Female Veterans

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Marble Rock Veterans by War

count

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Marble Rock Veterans by Age

count

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Marble Rock Veterans by Race

Marble Rock Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

Veteran Poverty Rate

47.62%

Veteran Disability Rate

Marble Rock Veterans by Education

LaborForceParticipation

70.6%

Labor Force Participation

67.2%

Employment Rate

4.8%

Unemployment Rate

Marble Rock Employment by Age

LaborForceParticipation

Marble Rock Employment by Race

LaborForceParticipation

Marble Rock 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

88.56%

Born in Marble Rock

99.63%

Native Born

0.37%

Foreign Born

0.37%

Non Citizen

Naturalized

Place of Birth

99.63% of Marble Rock residents were born in the United States, with 88.56% having been born in Iowa. 0.37% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Latin America.

Marble Rock Place of Birth

Note: data after 2022 is projected based on recent change

Download Table Data

Enter your email below, and you'll receive this table's data in your inbox momentarily.

Year
Population
Growth
Growth Rate
2029258-1-0.39%
2028259-1-0.38%
2027260-1-0.38%
2026261-1-0.38%
2025262-1-0.38%
2024263-1-0.38%
2023264-1-0.38%
2022265-1-0.38%
2021266-3-1.12%
2020269-21-7.24%
2019290-2-0.68%
2018292-3-1.02%
2017295-1-0.34%
2016296-4-1.33%
2015300-2-0.66%
2014302-1-0.33%
2013303-3-0.98%
2012306
2011306-4-1.29%
2010310
showing: 20 rows

Marble Rock Population by Year