Saint Charles ZIP Code List — Madison County, IA

There is one unique ZIP code in Saint Charles, Iowa and it is 50240. Area code: 641.

ZIP codes

75.29

sq mi land

0.24

sq mi water

641

area code

Saint Charles, IA ZIP code map

About Saint Charles, IA

Saint Charles is a small, charming city located in the state of Iowa. Nestled within Madison County, it offers a close-knit community atmosphere and natural beauty. As a part of the Des Moines metropolitan area, it serves as a suburb with both historical significance and modern conveniences.

Location & geography

Saint Charles is situated about 20 miles southwest of Des Moines, the state capital. Nearby cities include Winterset, located approximately 15 miles to the west, Indianola about 13 miles to the northwest, and Carlisle, which is roughly 17 miles to the northeast. The city covers a total land area of 75.29 square miles, with a small water area of 0.24 square miles, characterized by its flat terrain picturesque countryside.

Community & economy

The character of Saint Charles is defined by its friendly residents and community involvement, making it a welcoming place for families and individuals alike. The local economy primarily revolves around agriculture, small businesses, and services that cater to the needs of residents. Daily life is complemented by community events and opportunities for outdoor activities, enhancing the quality of life in this serene locale.

Transportation

Saint Charles is accessible via Highway 65, which connects to larger roadways for regional travel. The nearest major airport is Des Moines International Airport, located about 20 miles to the northeast. Public transit options are limited, with most residents relying on personal vehicles for commuting.

History

Saint Charles was founded in the mid-19th century and has since developed a vibrant community centered around agriculture and local trades. Throughout its history, the city has witnessed significant events, including those tied to the Underground Railroad and notable developments in rural Iowa. The rich history is evident in its preserved buildings and local heritage, which are celebrated by its residents.

Did you know?

One surprising fact about Saint Charles is that it played a role in the Underground Railroad, serving as a safe haven for those seeking freedom. Additionally, the city is known for its annual events that highlight local culture and foster community spirit.

ZIP codes for Saint Charles, IA (1)

ZIP code	City	County	Map
50240	Saint Charles	Madison	View map

Demographics & statistics

2,335

Population

48.0

Median age

$98,750

Median household income

$47,443

Per capita income

$253,500

Median home value

$920

Median monthly rent

84.1%

Home ownership

4.3%

Poverty rate

1.2%

Unemployment

820

Housing units

26.6%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

167

25–34

168

35–44

198

45–54

201

55–59

60–64

163

65–74

164

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	368	15.8%
18 and over	1,967	84.2%
65 and over	495	21.2%
Median age	48.0 years

Race & ethnicity

White 90.7%

Hispanic or Latino 3.9%

Two or more races 3.1%

Other race 2.3%

Group	Count	%
White	2,202	90.7%
Hispanic or Latino	94	3.9%
Two or more races	76	3.1%
Other race	57	2.3%

Household income

Under $10k 0.2%

$10k–$15k 0.7%

$15k–$25k 3.1%

$25k–$35k 0.4%

$35k–$50k 6.7%

$50k–$75k 20.2%

$75k–$100k 19.4%

$100k–$150k 30.6%

$150k–$200k 12.1%

$200k+ 6.5%

Range	% of households
Under $10k	0.2%
$10k–$15k	0.7%
$15k–$25k	3.1%
$25k–$35k	0.4%
$35k–$50k	6.7%
$50k–$75k	20.2%
$75k–$100k	19.4%
$100k–$150k	30.6%
$150k–$200k	12.1%
$200k+	6.5%
Median income	$98,750

Housing

Home values

Under $50k 1.6%

$50k–$100k 0.8%

$100k–$150k 10.4%

$150k–$200k 14.9%

$200k–$300k 43.4%

$300k–$500k 18.2%

$500k–$1M 5.9%

$1M+ 4.7%

Housing overview

Metric	Value
Median home value	$253,500
Median rent / month	$920
Owner occupied	84.1%
Renter occupied	15.9%
Vacant	6.4%
Single-family detached	92.7%
Large apartment buildings	0.0%
Mobile homes	0.7%
Median rooms	6.2
Avg household size (owned)	2.58

Year built

Era	%
2020 or later	0.0%
2010–2019	8.6%
2000–2009	15.6%
1990–1999	15.5%
1980–1989	6.4%
1970–1979	21.7%
1960–1969	6.5%
1950–1959	6.9%
1940–1949	1.9%
1939 or earlier	16.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	7.7%
2 bedrooms	22.0%
3 bedrooms	49.3%
4 bedrooms	15.0%
5+ bedrooms	6.0%

Vehicles per household

Vehicles	% of households
No vehicle	1.0%
1 vehicle	7.7%
2 vehicles	38.4%
3 or more	52.9%

Heating fuel

Fuel type	%
Utility gas	33.3%
Electricity	16.4%
Propane / LP gas	43.6%
Wood	6.2%
No fuel used	0.4%

Households & families

Household type	Count	%
Married-couple family	645	71.6%
Cohabiting couple	101	11.2%
Male householder, no spouse	74	8.2%
Female householder, no spouse	81	9.0%
Households with children under 18	217	24.1%
Households with seniors (65+)	322	35.7%
Average household size	2.59

Marital status

Status	Male	Female
Never married	24.2%	22.6%
Married	66.1%	63.2%
Separated	0.3%	3.1%
Widowed	3.5%	2.6%
Divorced	5.9%	8.5%

Education

Less than 9th grade 0.1%

Some HS, no diploma 2.2%

HS graduate 32.7%

Some college, no degree 24.2%

Associate's degree 14.2%

Bachelor's degree 20.6%

Graduate / professional 6.1%

Metric	%
HS diploma or higher	97.7%
Bachelor's or higher	26.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	10	2.9%
Kindergarten	22	6.3%
Elementary school	104	29.8%
High school	144	41.3%
College / grad school	69	19.8%

Employment

Industry of employment

Construction 18.3%

Education & healthcare 17.8%

Finance & real estate 14.9%

Retail trade 11.6%

Transportation & utilities 10.2%

Other services 7.9%

Professional & management 7.2%

Manufacturing 5.0%

Public administration 3.1%

Wholesale trade 1.5%

Arts, food & hospitality 1.2%

Information 1.0%

Agriculture & mining 0.3%

Occupation

Category	%
Management, business & arts	32.3%
Service	17.0%
Sales & office	15.7%
Natural resources & construction	22.8%
Production & transportation	12.2%

Employment type

Type	%
Private sector	79.6%
Government	15.9%
Self-employed	4.5%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	82.8%
Carpool	2.8%
Public transit	0.4%
Walk	0.3%
Other means	0.7%
Avg commute (minutes)	29.8

Poverty

All people 4.3%

Under 18 years 5.0%

18 and over 4.2%

Married-couple families 0.9%

Female-led households 0.0%

Income support

Source	% of households
Social Security	39.4%
Retirement income	37.1%
Supplemental Security	4.2%
Cash public assistance	2.3%
Food stamps / SNAP	0.8%

Health indicators

Condition	%
High blood pressure	30.2%
High cholesterol	32.3%
Heart disease	5.6%
Stroke	2.5%
Asthma	8.9%
Arthritis	23.7%
Kidney disease	2.4%
Pulmonary disease	5.6%
Cancer	6.7%

Behavior / access	%
Binge drinking	23.1%
No physical activity	20.9%
Less than 7 hrs sleep	28.6%
Fair or poor health	10.3%
Poor mental health	12.6%
Poor physical health	8.4%
No health insurance	8.1%
Visited doctor (checkup)	75.2%
Visited dentist	69.5%
Cholesterol screening	89.9%
Teeth loss	10.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	121	6.2%

Disability	%
Any disability	7.9%
Under 18	0.8%
18–64 years	6.2%
65 and over	18.0%

Health insurance coverage

Type	%
Private insurance	79.2%
Public insurance	34.6%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	2,227	95.4%
Spanish	0	0.0%
Other Indo-European	0	0.0%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	2,285	97.9%
Born in same state	2,266	97.0%
Born in different state	1,981	84.8%
Foreign born	19	0.8%
Naturalized citizen	50	2.1%
Not a US citizen	16	32.0%

Ancestry

Ancestry	Count	%
Italian	412	17.6%
French	329	14.1%
Arab	298	12.8%

Ancestry	Count	%
Dutch	52	2.2%
Polish	44	1.9%
English	41	1.8%

Technology access

Metric	% of households
Computer access	38.6%
Internet access	96.4%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions

What is the ZIP code for Saint Charles, IA?

Saint Charles, IA has one ZIP code: 50240.

What is the main ZIP code for Saint Charles, IA?

The primary ZIP code for Saint Charles, IA is 50240. The city uses area code 641 for phone service.

What county is Saint Charles, IA in?

Saint Charles is located in Madison County, Iowa.

How many ZIP codes are in Saint Charles, IA?

Saint Charles, IA has 1 ZIP code.

What is the ZIP code for downtown Saint Charles, Iowa?

The downtown area of Saint Charles, Iowa is located in ZIP code 50240, which serves as the primary commercial and civic center of this Madison County community.

If I'm mailing a package to a business in Saint Charles, IA, what ZIP code should I use?

All mail destined for Saint Charles, Iowa should use the ZIP code 50240, as this is the only ZIP code that serves the entire city.