ZIP Code Tabulation Area · Iowa

ZIP Code 50240: Madison County, IA

ZIP Code 50240 (Madison County, Iowa) has an estimated 2,393 residents in 861 households. The median household income is $107,563, the median home value is $305,800 and the median gross rent is $855/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 Oct 26, 2026

Total population

2,393

Margin of error ±350

Median household income

$107,563

Margin of error ±$11,853

Median home value

$305,800

Margin of error ±$41,697

Median gross rent

$855/mo

Margin of error ±$75

Median age

43.6 yrs

Margin of error ±9.1 yrs

Mean travel time to work

32.8 min

Margin of error ±9.2 min

How ZIP 50240 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 5024043.6 yrsIowa38.6 yrsUnited States38.9 yrs

Median household income

ZIP 50240$107,563Iowa$75,059United States$80,734

Per capita income

ZIP 50240$45,732Iowa$40,877United States$44,673

Poverty rate

ZIP 502404.4%Iowa11.1%United States12.5%

Unemployment rate

ZIP 502402.1%Iowa3.6%United States5.2%

Bachelor's degree or higher

ZIP 5024030.5%Iowa31.4%United States35.7%

Median home value

ZIP 50240$305,800Iowa$208,000United States$332,700

Median gross rent

ZIP 50240$855/moIowa$972/moUnited States$1,413/mo

Owner-occupied homes

ZIP 5024086.8%Iowa71.7%United States65.2%

Mean travel time to work

ZIP 5024032.8 minIowa19.8 minUnited States26.4 min

Worked from home

ZIP 5024017.0%Iowa11.3%United States15.1%

All figures for ZIP 50240

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 50240 — ACS 2020–2024 5-year estimates
Measure	ZIP 50240	Margin of error	Iowa	United States
Total population	2,393	±350	3,210,507	334,922,499
Median age	43.6 yrs	±9.1 yrs	38.6 yrs	38.9 yrs
Households	861	±109	1,315,707	129,227,496
Median household income	$107,563	±$11,853	$75,059	$80,734
Per capita income	$45,732	±$3,975	$40,877	$44,673
Poverty rate	4.4%	±2.6 pts	11.1%	12.5%
Unemployment rate	2.1%	±2.0 pts	3.6%	5.2%
Bachelor's degree or higher	30.5%	±5.3 pts	31.4%	35.7%
Median home value	$305,800	±$41,697	$208,000	$332,700
Median gross rent	$855/mo	±$75	$972/mo	$1,413/mo
Owner-occupied homes	86.8%	±1.1 pts	71.7%	65.2%
Mean travel time to work	32.8 min	±9.2 min	19.8 min	26.4 min
Worked from home	17.0%	±7.2 pts	11.3%	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 50240
Group	ZIP 50240	Iowa	United States
White alone, not Hispanic or Latino	89.1%	82.3%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	3.8%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	0.0%	0.2%	0.5%
Asian alone, not Hispanic or Latino	0.0%	2.5%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.2%	0.2%
Some other race alone, not Hispanic or Latino	0.5%	0.3%	0.6%
Two or more races, not Hispanic or Latino	2.7%	3.5%	4.3%
Hispanic or Latino (of any race)	7.7%	7.3%	19.3%

Where ZIP 50240 is

State: Iowa
Main county: Madison County— also overlaps Warren County
Largest overlapping place: St. Charles (1% of the ZIP's land area)
Land area: 75.29 sq mi· about 32 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 Madison County

50033 Bevington, IA 50061 Madison County, IA 50070 Madison County, IA 50072 Madison County, IA 50149 Madison County, IA 50155 Madison County, IA 50218 Patterson, IA 50222 Madison County, IA 50257 Madison County, IA 50261 Madison County, IA 50273 Madison County, IA

See every ZIP code in Iowa, or compare ZIP 50240 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.