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ZIP code

50401

Mason City, IA

STANDARD

50401 covers Mason City in Cerro Gordo County, with 28,818 people in the ACS 2023 estimate.

Figures are for the Census ZIP Code Tabulation Area (ZCTA), which is not the same as a USPS ZIP code. A PO Box or unique ZIP may have no ZCTA and no demographics. Methodology

ACS 2023 population

28,818

Median household income

$63,807

Median home value

$134,100

U.S. Census Bureau, ACS 2019–2023 5-year (vintage 2023). Geography: ZCTA 50401. Methodology

ZIP code map of 50401

Census ZCTA boundary for ZIP 50401 in Mason City, Iowa
Census ZCTA boundary for ZIP 50401 in Mason City, Iowa. A ZCTA is not the same as a USPS ZIP code. Boundaries: U.S. Census Bureau. Methodology · Data sources
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About ZIP code 50401

Type

STANDARD

City

Mason City

County

Cerro Gordo County

Timezone

America/Chicago

Area codes

641

Land area

148.2 sq mi

Water area

0.47 sq mi

Households

14,746

Median gross rent

$868

More enterprise fields

Timezone
America/Chicago
Area Codes
641
World Region
NA
Country
US

Commercial ZIP directory · not ACS

Commercial ZIP directory population_count for ZCTA 50401. Not ACS. Methodology

People in 50401

Race

  • White25,352
  • Black or African American800
  • American Indian or Alaska Native126
  • Asian410
  • Native Hawaiian and Pacific Islander131
  • Other race543
  • Two or more races1,619

Hispanic or Latino (any race): 1,850

Age

  • Under 103,083
  • 10 to 193,413
  • 20 to 293,498
  • 30 to 393,434
  • 40 to 493,138
  • 50 to 593,702
  • 60 to 694,253
  • 70 to 792,545
  • 80 and older1,915

Income and housing in 50401

Poverty rate

10.0%

Median earnings

$38,929

Median household income

$63,807

Median home value

$134,100

Median gross rent

$868

Education

  • High school graduate93.5%
  • Bachelor's degree21.9%
  • Graduate degree7.4%

Places covering 50401

Cities and places — Population overlap

Share of this ZIP/ZCTA’s population located within each place, based on ZIP Code Database place-overlap data. This is a population measure, not land-area overlap or the Census-place population.

ZIP Code Database place-overlap table, field percent_of_zip_population_in_place, keyed by place_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

Counties — Population overlap

Share of this ZIP/ZCTA’s population located within each county, based on ZIP Code Database county-overlap data. This is a population measure, not land-area overlap or the Census county population.

ZIP Code Database county-overlap table, field percent_of_zip_population_in_county, keyed by county_geoid. Not ACS 2019–2023. Overlap vintage is the shipped overlap table and is separate from ACS. Methodology

5.4% of this ZIP is outside city limits (a real overlap row, not missing data).

Population history for 50401

IRS populationACS population
31,98615,993020052023

Hover the chart or read the table below (Year | ACS | IRS).

Population history. Year | ACS population | IRS population. ACS and IRS are separate series. Blank cells mean that source did not publish a count for the year.
YearACS populationIRS population
200526,525
200625,660
200727,929
200825,735
200925,528
201025,362
201129,54225,159
201229,61724,930
201329,32224,820
201429,32124,860
201529,38724,870
201629,21624,250
201729,04024,310
201829,03324,020
201928,95724,280
202028,64724,090
202129,02423,620
202228,90923,480
202328,818

ACS: U.S. Census Bureau American Community Survey 5-year estimates. IRS: Statistics of Income ZIP Code data.

ZIP codes near 50401

12 nearest ZIP centroids (any distance)

  1. 50467Rock Falls7.7 miPop 76 · Income $65,625
  2. 50464Plymouth9.2 miPop 573 · Income $74,286
  3. 50458Nora Springs9.5 miPop 2,242 · Income $86,336
  4. 50456Manly9.5 miPop 1,758 · Income $78,750
  5. 50428Clear Lake9.7 miPop 9,093 · Income $72,932
  6. 50469Rockwell10.7 miPop 1,495 · Income $70,682
  7. 50477Swaledale13.2 miPop 219 · Income $51,161
  8. 50444Hanlontown13.5 miPop 366 · Income $82,679
  9. 50448Kensett13.7 miPop 613 · Income $60,000
  10. 50440Grafton14.0 miPop 275 · Income $58,750
  11. 50434Fertile14.4 miPop 424 · Income —
  12. 50482Ventura14.5 miPop 701 · Income $82,292

ZIP centroids within 2 miles

No other ZIP codes within 2 miles of 50401, measured by Census internal-point centroids. Try a wider radius.

ZIPs within 2 miles of this place

Default is 2 miles. Distances are between ZIP centroids. Widen the radius if nothing is in range.

50401 Mason City, IA

Looking up ZIP codes within 2 miles of 50401 Mason City, IA, measured by centroid distance.

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ACS population

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Households

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Avg median income

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ZIP code 50401 FAQ

What city is ZIP code 50401 in?
50401 is in Mason City, IA.
What county is 50401 in?
50401 is in Cerro Gordo County.
What is the median household income in 50401?
The median household income in 50401 is $63,807.
Which ZIP codes are near 50401?
Use the radius tool on this page to list ZIP codes within a chosen distance of 50401.