MICROPOLITAN AREA
Mason City Micro
Mason City, IA · 2 counties · 49,710 residents (2025 est.) · 968.423 sq mi
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Mason City has lower-than-average household income, with a median household income of $69,633. Population has declined 8% since 2000. Median home value has more than doubled since 2000, reaching $163,371. With a median age of 44.0, the population is older than the US median of 38.9. It sits in the top 10% of US metro areas for household income.
At a glance
Lower income
below the US median
US median: $82,259
Older
median age 44.0
US median: 38.9
Less educated
23% hold a bachelor's degree
US average: 36%
Stable housing
home values roughly flat, inflation adjusted
US median home: $376,019
Section 01
Population & growth
PEP 2025 EST:49,710 residents (Census Bureau Vintage 2025, released March 2026)
Population, 1990 – 2024
202450K
Age distribution, 2024
Under 55.2%(2,575)
5 to 95.6%(2,784)
10 to 146.3%(3,149)
15 to 195.7%(2,845)
20 to 245.2%(2,586)
25 to 3411.4%(5,679)
35 to 4411.6%(5,802)
45 to 5411.2%(5,580)
55 to 6414.5%(7,262)
65 to 7413.6%(6,776)
75 to 846.8%(3,388)
85 and over3.1%(1,556)
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 02
Income & economy
$69,633
+6%inflation adjusted, since 2000
from $35,951 in 2000
US average: $82,259
1990 – 2024
Households earning $100K+
46.3%
+22.7 ptssince 2009
from 23.6% in 2009
US average: 53.3%
Workforce by industry, 2024
Retail trade16.9%
Information14.1%
Finance & insurance5.4%
Other services5.2%
Agriculture, forestry, fishing4.7%
Wholesale trade4.6%
Professional, scientific, technical4.5%
Construction4.5%
Public administration4%
Transportation & warehousing3.4%
Arts, entertainment, food2.1%
Education & health services0.9%
Manufacturing0.3%
BAR + DOT: THIS PLACE · TICK: US AVERAGE
Section 03
Housing
$163,371
+22%inflation adjusted, since 2000
from $73,801 in 2000
US average: $376,019
1990 – 2024
2.4
+2%since 2009
from 2.3 in 2009
2009 – 2024
Our index: median home value divided by median household income. Lower is more affordable.
29
Our index, 0 to 100. Higher means faster recent growth in incomes, home values, and college degrees.
RELATED:See current rent listings in Mason City on RentDataNow
Section 04
Race & ethnicity
2000
White, non-Hispanic95.1%(51,670)
Black0.7%(379)
Hispanic / Latino2.6%(1,415)
Asian0.6%(328)
Other0%
2024
White, non-Hispanic89%(44,476)
Black1.7%(872)
Hispanic / Latino5.3%(2,655)
Asian1.1%(532)
Other2.9%(1,447)
25
+74%since 2009
from 15 in 2009
2009 – 2024
Our index, 0 to 100. Higher means a more even mix of racial and ethnic groups.
22
−2%since 2020
from 23 in 2020
Our index, 0 to 100. Higher means White and non-White residents are more separated across neighborhoods.
Section 04 · Origins
Detailed origins & ancestry
Hispanic origin
Mexican4.1%(2,055)
Puerto Rican0.4%(187)
South American0.2%(122)
Central American0.2%(104)
Bolivian0.2%(94)
Guatemalan0.2%(87)
Spaniard0.1%(67)
Paraguayan0%(20)
Cuban0.1%(11)
Salvadoran0%(9)
Panamanian0%(8)
Chilean0.1%(8)
Asian origin
Chinese0.3%(115)
Asian Indian0.2%(102)
Vietnamese0.2%(90)
Laotian0.2%(84)
Filipino0.1%(73)
Korean0.1%(30)
Japanese0.2%(16)
Okinawan0%(14)
Thai0%(4)
Pacific Islander origin
Samoan0%(5)
Ancestry
German34.5%(17,226)
Norwegian14.7%(7,345)
Irish10.3%(5,125)
English7.3%(3,654)
American4.6%(2,288)
Danish2.1%(1,052)
Dutch2%(1,008)
French1.8%(909)
Czech1.8%(904)
Swedish1.5%(764)
Italian1.4%(696)
Polish1.1%(554)
+ 30 more ancestry groups with data
Scottish0.7%(363)
Scotch-Irish0.6%(312)
Greek0.5%(220)
Welsh0.3%(173)
Arab0.3%(153)
British0.3%(152)
Swiss0.3%(148)
Russian0.2%(117)
Lithuanian0.2%(90)
Subsaharan African0.1%(69)
Finnish0.1%(64)
Austrian0.1%(63)
Slovak0.1%(54)
Syrian0.1%(49)
Moroccan0.1%(35)
Croatian0.1%(34)
Ukrainian0.1%(22)
Lebanese0%(21)
French Canadian0%(19)
Serbian0%(19)
Hungarian0%(16)
Belgian0%(15)
Portuguese0%(15)
Macedonian0%(14)
Canadian0%(12)
West Indian0%(9)
Kenyan0%(8)
Romanian0.1%(7)
Ghanaian0%(7)
Nigerian0%(5)
Section 05
Education
High school or higher
94.6%
+7.5 ptssince 2000
from 87.1% in 2000
US average: 89.6%
Section 06
Commute & transportation
Section 07
Work & employment
Section 08
People & community
Marital status
Men 15+
Never married29.6%(6,072)
Married55.8%(11,444)
Widowed3.2%(649)
Divorced11.4%(2,331)
Women 15+
Never married24%(5,042)
Married54.8%(11,505)
Widowed10%(2,090)
Divorced11.2%(2,341)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
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What's inside
2 component counties
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MASON CITY VS
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MASON CITY VS
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MASON CITY VS
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MASON CITY VS
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Income$67,309−3%
Home value$238,300+46%
Population50,416+1%
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Frequently asked
How many people live in Mason City, IA?
Mason City, IA has about 49,982 residents according to the 2024 American Community Survey.
What is the median household income in Mason City, IA?
The typical household in Mason City, IA earns about $69,633 a year. Half of households make more than that, and half make less.
Is Mason City, IA expensive?
In Mason City, IA, the median home is worth about $163,371, and the typical rent is about $836 a month.
How educated are people in Mason City, IA?
About 23.3% of adults age 25 and over in Mason City, IA hold a bachelor's degree or higher.
What is the poverty rate in Mason City, IA?
About 10.2% of people in Mason City, IA live below the federal poverty line.
Has Mason City, IA grown since 1990?
Yes, Mason City, IA has shrunk since 1990. The population has lost about 4,742 residents, a change of about -9 percent over that period.
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DATA: US CENSUS BUREAU ACS 5-YEAR + DECENNIAL CENSUS · METRO ROLLUP OF COMPONENT COUNTIES · UPDATED 2024