Mason City, Illinois Population 2021

2,318
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Mason City is a city located in Mason County Illinois. Mason City has a 2020 population of 2,318. Mason City is currently declining at a rate of -1.40% annually and its population has decreased by -11.86% since the most recent census, which recorded a population of 2,630 in 2010. Mason City reached it's highest population of 2,630 in 2010.

The average household income in Mason City is $69,930 with a poverty rate of 18.90%. The median rental costs in recent years comes to $596 per month, and the median house value is $80,100. The median age in Mason City is 45.1 years, 42.3 years for males, and 47 years for females.

Mason City Demographics

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

  • White: 97.23%
  • Black or African American: 1.17%
  • Other race: 1.02%
  • Two or more races: 0.58%
  • Native American: 0.00%
  • Asian: 0.00%
  • Native Hawaiian or Pacific Islander: 0.00%
The current population of Mason City, Illinois is 2,318 based on our projections of the latest US Census estimates. The US Census estimates the 2018 population at 2,417.The last official US Census in 2010 recorded the population at 2,630.

Mason City, Illinois Population 2021

Population by Race

Race Population Percentage
White2,66897.23%
Black or African American321.17%
Some Other Race281.02%
Two or More Races160.58%
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Mason City Population by Race

Mason City Population Pyramid $2021

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Mason City Median Age

45.1


Total

42.3


Male

47


Female

Mason City Adults

There are 2,201 adults, (631 of whom are seniors) in Mason City.

Mason City Age Dependency

74.8

Age Dependency Ratio

40.2

Old Age Dependency Ratio

34.6

Child Dependency Ratio

Mason City Sex Ratio

Female

1,446

52.70%

Male

1,298

47.30%

Mason City Population by Age

Mason City Renter vs Owner Occupied by Household Type

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Mason City Household Types

Type Owner Renter
Married92.9%7.1%
Male75.4%24.6%
All75%25%
Non Family60%40%
Female49.2%50.8%

75.0%

Rate of Home Ownership

Mason City Households and Families

Type Count Average Size Owned
All1,2102.275
Married5612.8492.9
Non Family4681.2260
Female1202.4949.2
Male613.3975.4

2.75

Average Family Size

2.2

Average Household Size

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Mason City Households by Type

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Education Attained Count Percentage
Less Than 9th Grade582.99%
9th to 12th Grade1346.90%
High School Graduate84343.41%
Some College42721.99%
Associates Degree1628.34%
Bachelors Degree1789.17%
Graduate Degree1407.21%
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Mason City Educational Attainment by Sex (over 25)

Mason City Educational Attainment by Race

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Race Total High School Bachelors
White1,8821,692318
Black3230
Hispanic2828
Other Race2828

The highest rate of high school graduation is among other race people with a rate of 100.00%.

The highest rate of bachelors degrees is among white people with a rate of 16.90%.

Mason City Educational Attainment by Race

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Name Average Male Female
Overall$36,094$43,186$28,833
Less Than 9th Grade$16,188$$16,250
High School Graduate$30,329$42,784$18,942
Some College$34,583$47,778$25,870
Bachelors Degree$44,125$$43,375
Graduate Degree$68,365$$50,833

$36,094

Average Earnings

$43,186

Average Male

$28,833

Average Female

Mason City Earnings by Educational Attainment

Mason City Language by Age

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Mason City Language

99.05% of Mason City residents speak only English, while 0.95% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 0.57% of the population.

Mason City Language

Mason City Poverty by Race

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Name Total In Poverty Poverty Rate
White2,59547618.34%
Hispanic2828100.00%
Other2828100.00%

18.90%

Overall Poverty Rate

18.60%

Male Poverty Rate

19.18%

Female Poverty Rate

Poverty in Mason City

The race most likely to be in poverty in Mason City is Other, with 100.00% below the poverty level.

The race least likely to be in poverty in Mason City is White, with 18.34% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 6.28%. Among those working part-time, it was 23.74%, and for those that did not work, the poverty rate was 20.92%.

Mason City Poverty

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Name Poverty
Less Than 9th Grade49.70%
High School12.05%
Some College11.03%
Bachelors or Greater4.28%

Mason City Poverty Rate by Education

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Rate Poverty
Male Unemployed100.00%
Female Unemployed40.63%
Female Employed11.48%
Male Employed11.30%

Mason City Poverty Rate by Employment Status and Sex

Mason City Income by Household Type

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Name Median Mean
Households$43,958$69,930
Families$66,296$90,398
Married Families$82,292-
Non Families$31,524$35,879
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Income by Household Type

Mason City Marital Status

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Marriage Rates

48.6%

Overall Marriage Rate

50.6%

Male Marriage Rate

46.9%

Female Marriage Rate

Mason City Married by Age and Sex

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Mason City 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 55-64.

Mason City Marital Status by Race

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Mason City Marital Status

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265

Number of Veterans

265

Male Veterans

Female Veterans

War Veterans
Vietnam87
Korea43
First Gulf War33
World War II17
Second Gulf War15

Mason City Veterans by War

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Age Group Veterans
65 to 7473
35 to 5468
75+66
55 to 6443
18 to 3415

Mason City Veterans by Age

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Mason City Veterans by Race

Mason City Veterans by Education

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15.02%

Veteran Poverty Rate

34.39%

Veteran Disability Rate

Mason City Veterans by Education

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60.6%

Labor Force Participation

58.6%

Employment Rate

2.7%

Unemployment Rate

Mason City Employment by Age

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Mason City Employment by Race

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Mason City Employment by Education

Origin of Non-Citizens

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Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

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86.08%

Born in Mason City

100.00%

Native Born

0.00%

Foreign Born

0.00%

Non Citizen

0.00%

Naturalized

Place of Birth

100.00% of Mason City residents were born in the United States, with 86.08% having been born in Illinois. 0.00% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Mason City Place of Birth

Year Population Growth Annual Growth Rate
20212,318-33-1.40%
20202,351-33-1.38%
20192,384-33-1.37%
20182,417-27-1.10%
20172,444-2-0.08%
20162,446-33-1.33%
20152,479-42-1.67%
20142,521-10-0.40%
20132,531-35-1.36%
20122,566-29-1.12%
20112,595-35-1.33%
20102,6300.00%

Mason City Population by Year