ZIP Code Tabulation Area · Iowa

ZIP Code 51449: Calhoun County, IA

ZIP Code 51449 (Calhoun County, Iowa) has an estimated 1,950 residents in 823 households. The median household income is $75,329, the median home value is $115,800 and the median gross rent is $763/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated

Total population

1,950

Margin of error ±176

Median household income

$75,329

Margin of error ±$10,313

Median home value

$115,800

Margin of error ±$9,992

Median gross rent

$763/mo

Margin of error ±$70

Median age

48.3 yrs

Margin of error ±6.0 yrs

Mean travel time to work

17.1 min

Margin of error ±3.4 min

How ZIP 51449 compares with Iowa and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 5144948.3 yrsIowa38.6 yrsUnited States38.9 yrs

Median household income

ZIP 51449$75,329Iowa$75,059United States$80,734

Per capita income

ZIP 51449$47,087Iowa$40,877United States$44,673

Poverty rate

ZIP 514499.4%Iowa11.1%United States12.5%

Unemployment rate

ZIP 514491.3%Iowa3.6%United States5.2%

Bachelor's degree or higher

ZIP 5144917.6%Iowa31.4%United States35.7%

Median home value

ZIP 51449$115,800Iowa$208,000United States$332,700

Median gross rent

ZIP 51449$763/moIowa$972/moUnited States$1,413/mo

Owner-occupied homes

ZIP 5144980.6%Iowa71.7%United States65.2%

Mean travel time to work

ZIP 5144917.1 minIowa19.8 minUnited States26.4 min

Worked from home

ZIP 514494.1%Iowa11.3%United States15.1%

All figures for ZIP 51449

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 51449 — ACS 2020–2024 5-year estimates
MeasureZIP 51449Margin of errorIowaUnited States
Total population1,950±1763,210,507334,922,499
Median age48.3 yrs±6.0 yrs38.6 yrs38.9 yrs
Households823±691,315,707129,227,496
Median household income$75,329±$10,313$75,059$80,734
Per capita income$47,087±$10,486$40,877$44,673
Poverty rate9.4%±3.3 pts11.1%12.5%
Unemployment rate1.3%±1.0 pts3.6%5.2%
Bachelor's degree or higher17.6%±3.8 pts31.4%35.7%
Median home value$115,800±$9,992$208,000$332,700
Median gross rent$763/mo±$70$972/mo$1,413/mo
Owner-occupied homes80.6%±4.1 pts71.7%65.2%
Mean travel time to work17.1 min±3.4 min19.8 min26.4 min
Worked from home4.1%±3.2 pts11.3%15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 51449
GroupZIP 51449IowaUnited States
White alone, not Hispanic or Latino89.2%82.3%57.4%
Black or African American alone, not Hispanic or Latino1.1%3.8%11.9%
American Indian and Alaska Native alone, not Hispanic or Latino0.0%0.2%0.5%
Asian alone, not Hispanic or Latino0.4%2.5%5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino0.0%0.2%0.2%
Some other race alone, not Hispanic or Latino0.0%0.3%0.6%
Two or more races, not Hispanic or Latino6.1%3.5%4.3%
Hispanic or Latino (of any race)3.2%7.3%19.3%

Where ZIP 51449 is

State
Iowa
Main county
Calhoun County— also overlaps Carroll County
Largest overlapping place
Lake City (5% of the ZIP's land area)
Land area
89.68 sq mi· about 22 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Calhoun County

50538 Calhoun County, IA50551 Calhoun County, IA50552 Knierim, IA50561 Calhoun County, IA50563 Calhoun County, IA50575 Calhoun County, IA50579 Calhoun County, IA50586 Calhoun County, IA51453 Calhoun County, IA

See every ZIP code in Iowa, or compare ZIP 51449 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

  • U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
  • U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
  • Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.