Castalia ZIP Code List — Winneshiek County, IA

There is one unique ZIP code in Castalia, Iowa and it is 52133. Area code: 563.

ZIP codes

43.70

sq mi land

0.01

sq mi water

563

area code

Castalia, IA ZIP code map

About Castalia, IA

Castalia, Iowa is a small, charming city located in the heart of Winneshiek County. Known for its serene landscapes and a tight-knit community, Castalia offers a peaceful retreat from the hustle and bustle of larger urban areas. Visitors and residents alike enjoy the city's friendly atmosphere and scenic rural views.

Location & geography

Castalia is situated in northeastern Iowa, surrounded by lush farmland and rolling hills. It is approximately 13 miles southeast of Decorah, 16 miles northwest of West Union, 11 miles east of Calmar, and about 25 miles southwest of La Crosse, Wisconsin. The city covers a land area of 43.70 square miles, with a tiny water area of only 0.01 square miles.

Community & economy

The community of Castalia is characterized by its friendly residents and a strong sense of community pride. The economy is primarily driven by agriculture, with many locals engaged in farming and related industries. Daily life in Castalia is tranquil, providing residents with the opportunity to connect with nature and enjoy various community events throughout the year.

Transportation

Highway 52 runs through Castalia, providing convenient access to neighboring communities and the surrounding region. The nearest major airport is the La Crosse Regional Airport, located about 25 miles to the northwest, which offers commercial flights for regional travelers. Public transit options are limited, so residents typically rely on personal vehicles for transportation.

History

Castalia was founded in the late 19th century and has a rich agricultural history that has shaped its development. Key industries in the area have historically revolved around farming, with local produce being a staple of the community. A notable event in the city's history was the establishment of its post office in 1882, which has since served as a hub for communication and connection among residents.

Did you know?

One surprising fact about Castalia is that it is home to the picturesque Castalia Trout Farm, which attracts fishing enthusiasts from near and far. Additionally, the city celebrates its rural heritage with annual events that showcase local crafts and agriculture, fostering a strong sense of community spirit.

ZIP codes for Castalia, IA (1)

ZIP code	City	County	Map
52133	Castalia	Winneshiek	View map

Demographics & statistics

627

Population

57.0

Median age

$64,872

Median household income

$31,312

Per capita income

$188,600

Median home value

$731

Median monthly rent

93.5%

Home ownership

2.9%

Poverty rate

0.0%

Unemployment

283

Housing units

2.8%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

45–54

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	97	15.5%
18 and over	530	84.5%
65 and over	110	17.5%
Median age	57.0 years

Race & ethnicity

White 87.6%

Black or African American 12.4%

Group	Count	%
White	549	87.6%
Black or African American	78	12.4%

Household income

Under $10k 1.5%

$10k–$15k 0.4%

$15k–$25k 5.7%

$25k–$35k 6.9%

$35k–$50k 16.5%

$50k–$75k 22.6%

$75k–$100k 28.0%

$100k–$150k 13.0%

$150k–$200k 0.8%

$200k+ 4.6%

Range	% of households
Under $10k	1.5%
$10k–$15k	0.4%
$15k–$25k	5.7%
$25k–$35k	6.9%
$35k–$50k	16.5%
$50k–$75k	22.6%
$75k–$100k	28.0%
$100k–$150k	13.0%
$150k–$200k	0.8%
$200k+	4.6%
Median income	$64,872

Housing

Home values

Under $50k 18.4%

$50k–$100k 22.1%

$100k–$150k 5.3%

$150k–$200k 6.1%

$200k–$300k 25.8%

$300k–$500k 7.8%

$500k–$1M 3.7%

$1M+ 10.7%

Housing overview

Metric	Value
Median home value	$188,600
Median rent / month	$731
Owner occupied	93.5%
Renter occupied	6.5%
Vacant	13.0%
Single-family detached	78.3%
Large apartment buildings	0.0%
Mobile homes	20.3%
Median rooms	6.4
Avg household size (owned)	2.45

Year built

Era	%
2020 or later	0.0%
2010–2019	1.3%
2000–2009	20.7%
1990–1999	16.3%
1980–1989	3.3%
1970–1979	2.7%
1960–1969	4.3%
1950–1959	1.7%
1940–1949	10.0%
1939 or earlier	39.7%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	1.3%
2 bedrooms	12.0%
3 bedrooms	47.3%
4 bedrooms	31.0%
5+ bedrooms	7.7%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	14.6%
2 vehicles	60.5%
3 or more	24.9%

Heating fuel

Fuel type	%
Utility gas	20.7%
Electricity	5.4%
Propane / LP gas	57.1%
Fuel oil	11.1%
Wood	5.7%

Households & families

Household type	Count	%
Married-couple family	183	70.1%
Cohabiting couple	5	1.9%
Male householder, no spouse	12	4.6%
Female householder, no spouse	61	23.4%
Households with children under 18	72	27.6%
Households with seniors (65+)	67	25.7%
Average household size	2.40

Marital status

Status	Male	Female
Never married	22.7%	35.1%
Married	72.3%	56.9%
Separated	0.0%	0.0%
Widowed	0.4%	4.5%
Divorced	4.6%	3.5%

Education

Less than 9th grade 0.2%

Some HS, no diploma 3.3%

HS graduate 69.1%

Some college, no degree 10.0%

Associate's degree 14.6%

Bachelor's degree 2.8%

Graduate / professional 0.0%

Metric	%
HS diploma or higher	96.5%
Bachelor's or higher	2.8%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	0	0.0%
Kindergarten	11	11.1%
Elementary school	6	6.1%
High school	80	80.8%
College / grad school	2	2.0%

Employment

Industry of employment

Retail trade 37.8%

Manufacturing 17.1%

Education & healthcare 12.4%

Agriculture & mining 11.8%

Professional & management 7.4%

Construction 3.8%

Wholesale trade 3.5%

Transportation & utilities 2.4%

Arts, food & hospitality 2.4%

Finance & real estate 1.2%

Other services 0.3%

Occupation

Category	%
Management, business & arts	32.4%
Service	10.9%
Sales & office	10.0%
Natural resources & construction	4.4%
Production & transportation	42.2%

Employment type

Type	%
Private sector	65.8%
Government	2.1%
Self-employed	32.2%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.1%
Carpool	1.5%
Public transit	0.0%
Walk	7.7%
Other means	0.6%
Avg commute (minutes)	23.5

Poverty

All people 2.9%

Under 18 years 5.3%

18 and over 2.5%

Married-couple families 1.1%

Female-led households 0.0%

Income support

Source	% of households
Social Security	41.8%
Retirement income	9.6%
Supplemental Security	20.3%
Cash public assistance	0.0%
Food stamps / SNAP	3.8%

Health indicators

Condition	%
High blood pressure	31.8%
High cholesterol	33.9%
Heart disease	6.4%
Stroke	2.8%
Asthma	9.0%
Arthritis	24.7%
Kidney disease	2.7%
Pulmonary disease	6.3%
Cancer	7.1%

Behavior / access	%
Binge drinking	22.9%
No physical activity	22.0%
Less than 7 hrs sleep	28.7%
Fair or poor health	11.4%
Poor mental health	12.6%
Poor physical health	9.0%
No health insurance	8.8%
Visited doctor (checkup)	74.2%
Visited dentist	71.8%
Cholesterol screening	89.6%
Teeth loss	11.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	25	4.7%

Disability	%
Any disability	20.6%
Under 18	0.0%
18–64 years	20.5%
65 and over	39.1%

Health insurance coverage

Type	%
Private insurance	84.8%
Public insurance	31.4%
Uninsured under 19	4.1%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	590	94.1%
Spanish	2	0.3%
Other Indo-European	2	0.3%
Asian & Pacific Islander	0	0.0%
Other languages	0	0.0%

Place of birth & citizenship

Origin	Count	%
Native born (US)	624	99.5%
Born in same state	624	99.5%
Born in different state	466	74.3%
Foreign born	0	0.0%
Naturalized citizen	3	0.5%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Polish	78	12.4%
Italian	26	4.1%
Irish	7	1.1%

Ancestry	Count	%
French	6	1%
Arab	1	0.2%

Technology access

Metric	% of households
Computer access	41.6%
Internet access	90.0%

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

Frequently asked questions

What is the ZIP code for Castalia, IA?

Castalia, IA has one ZIP code: 52133.

What is the main ZIP code for Castalia, IA?

The primary ZIP code for Castalia, IA is 52133. The city uses area code 563 for phone service.

What county is Castalia, IA in?

Castalia is located in Winneshiek County, Iowa.

How many ZIP codes are in Castalia, IA?

Castalia, IA has 1 ZIP code.