Zip code 52133: Castalia, Iowa

Q: What city is zip code 52133?

52133 is assigned to Castalia, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 52133 in?

52133 is mostly in Winneshiek County, but it extends into 1 other county.

Q: What is the population of 52133?

About 673 people live in 52133, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 52133?

The median household income in 52133 is $76,250.

Q: What zip codes are near 52133?

The closest zip codes to 52133 are 52161, 52162, 52135, 52156, 52175.

Residential delivery areaWinneshiek CountyCentral Time

Population

673

Median household income

$76K

U.S. $81K

Median home value

$246K

U.S. $333K

Median rent

—

U.S. $1,413

Median age

44.3

U.S. 38.9

Land area

44 sq mi

15 people/sq mi

Boundary is the Census Bureau's ZIP Code Tabulation Area, which closely tracks the postal delivery area.

About 52133

52133 is a rural zip code in Castalia, Iowa (Winneshiek County), covering 44 sq mi of land. About 673 people live here, or 15 per square mile. The median resident is 44.3 years old, compared with 38.9 nationally.

The median household earns $76,250 a year, close to the national median of $80,734. 1.6% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $246,100, or 3.2 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 92% of occupied homes are lived in by their owners.

11% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 20.4 minutes each way, and 15% of workers work from home. The most common jobs among working residents are in sales; arts, media and sports; and computer and math (tech). 27% of them are self-employed (U.S.: 10%).

How 52133 compares

Sorted from highest to lowest national percentile

Self-employed workers27.4%
99th
U.S. 10% · IA 10.2%63rd of 911 in IA
Homeownership rate92.2%
98th
StrengthU.S. 65.2% · IA 71.7%116th of 909 in IA
Tech workers10.7%
97th
U.S. 3.8% · IA 2.9%7th of 911 in IA
Median age44.3
83rd
U.S. 38.9 · IA 38.6362nd of 911 in IA
Housing vacancy11.2%
76th
U.S. 10.1% · IA 8.5%328th of 909 in IA
Broadband access94.3%
69th
U.S. 91% · IA 88.9%128th of 909 in IA
Residents under 1823.6%
64th
U.S. 22% · IA 22.9%434th of 911 in IA
Work from home15.3%
62nd
U.S. 15.1% · IA 11.3%155th of 911 in IA
Median household income$76,250
45th
U.S. $80,734 · IA $75,059404th of 896 in IA
Residents 65 and older15.8%
44th
U.S. 17.2% · IA 18.1%708th of 911 in IA
Median earnings per worker$46,130
44th
U.S. $49,666 · IA $47,712522nd of 910 in IA
Per capita income$34,992
34th
U.S. $44,673 · IA $40,877627th of 911 in IA
Median home value$246,100
32nd
U.S. $332,700 · IA $208,000139th of 881 in IA
Healthcare workers7.4%
20th
U.S. 9.7% · IA 9.2%556th of 911 in IA
Veterans3.3%
18th
U.S. 6.2% · IA 6.5%833rd of 911 in IA
Average commute20.4 min
14th
StrengthU.S. 26.4 min · IA 19.8 min606th of 902 in IA
Rent-burdened renters33.3%
7th
StrengthU.S. 51.1% · IA 43.9%464th of 882 in IA
Bachelor's degree or higher11.3%
4th
WeaknessU.S. 35.7% · IA 31.4%793rd of 911 in IA
Population density15/sq mi
2nd
U.S. 95/sq mi · IA 58/sq mi595th of 911 in IA
Uninsured rate1.2%
2nd
StrengthU.S. 8.4% · IA 5%772nd of 911 in IA
Foreign-born residents0.3%
2nd
U.S. 14.1% · IA 5.9%644th of 911 in IA
Population673
1st
U.S. 334,922,499 · IA 3,210,507599th of 911 in IA
Poverty rate1.6%
1st
StrengthU.S. 12.5% · IA 11.1%865th of 909 in IA
Unemployment rate0%
1st
StrengthU.S. 5.2% · IA 3.6%905th of 911 in IA
Diversity index0
1st
U.S. 61.4 · IA 31.4911th of 911 in IA
Government workers0.5%
1st
U.S. 14.5% · IA 14.5%897th of 911 in IA
Income inequality (Gini)0.313
1st
StrengthU.S. 0.483 · IA 0.444825th of 908 in IA

Measure	52133	Winneshiek	IA	U.S.	National percentile	Rank in IA
Self-employed workers	27.4%	14.4%	10.2%	10%	99th	63rd of 911
Homeownership rateStrength	92.2%	74.2%	71.7%	65.2%	98th	116th of 909
Tech workers	10.7%	0.9%	2.9%	3.8%	97th	7th of 911
Median age	44.3	42.6	38.6	38.9	83rd	362nd of 911
Housing vacancy	11.2%	9.9%	8.5%	10.1%	76th	328th of 909
Broadband access	94.3%	88%	88.9%	91%	69th	128th of 909
Residents under 18	23.6%	18.7%	22.9%	22%	64th	434th of 911
Work from home	15.3%	12.1%	11.3%	15.1%	62nd	155th of 911
Median household income	$76,250	$79,066	$75,059	$80,734	45th	404th of 896
Residents 65 and older	15.8%	23.3%	18.1%	17.2%	44th	708th of 911
Median earnings per worker	$46,130	$45,475	$47,712	$49,666	44th	522nd of 910
Per capita income	$34,992	$41,556	$40,877	$44,673	34th	627th of 911
Median home value	$246,100	$259,200	$208,000	$332,700	32nd	139th of 881
Healthcare workers	7.4%	7.9%	9.2%	9.7%	20th	556th of 911
Veterans	3.3%	6.6%	6.5%	6.2%	18th	833rd of 911
Average commuteStrength	20.4 min	18.1 min	19.8 min	26.4 min	14th	606th of 902
Rent-burdened rentersStrength	33.3%	36.5%	43.9%	51.1%	7th	464th of 882
Bachelor's degree or higherWeakness	11.3%	31.2%	31.4%	35.7%	4th	793rd of 911
Population density	15/sq mi	29/sq mi	58/sq mi	95/sq mi	2nd	595th of 911
Uninsured rateStrength	1.2%	2.7%	5%	8.4%	2nd	772nd of 911
Foreign-born residents	0.3%	2.6%	5.9%	14.1%	2nd	644th of 911
Population	673	19,873	3,210,507	334,922,499	1st	599th of 911
Poverty rateStrength	1.6%	8.4%	11.1%	12.5%	1st	865th of 909
Unemployment rateStrength	0%	2.3%	3.6%	5.2%	1st	905th of 911
Diversity index	0	12.9	31.4	61.4	1st	911th of 911
Government workers	0.5%	13.5%	14.5%	14.5%	1st	897th of 911
Income inequality (Gini)Strength	0.313	0.444	0.444	0.483	1st	825th of 908

The percentile is the share of Americans who live in a zip code with a lower value, so the 50th percentile is typical. Rank 1 is the highest value in the state. Both include zip codes with at least 100 residents. Strengths and weaknesses mark measures in the best or worst fifth nationally, where higher or lower is clearly better (income, poverty, education, commute, broadband, insurance and similar). Measures like age or density are left unmarked.

People

Age

Under 5

16%

5–17

18–24

18%

25–34

35–44

12%

45–54

22%

55–64

11%

65–74

75+

Median age

44.3

Under 18

23.6%

65 and over

15.8%

Race and ethnicity

White100%
Black0%
Hispanic0%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial0%

Diversity index

U.S. 61.4

Foreign-born

0.3%

U.S. 14.1%

Born in state

76.2%

Language spoken at home (households)

English only

99%

Spanish

Other Indo-European

0.8%

Asian / Pacific

Other

Households

Households: 245
Average household size: 2.8
Family households: 89.4%
Married couples: 86.1%
Living alone: 8.2%
Veterans (of adults): 3.3%
Male / female: 50% / 50%

Income and poverty

Household income distribution

<$25k

$25–50k

20%

$50–75k

23%

$75–100k

10%

$100–150k

23%

$150–200k

15%

$200k+

Median household income

52133

$76,250

Winneshiek Co.

$79,066

Iowa

$75,059

United States

$80,734

Per capita income

$34,992

U.S. $44,673

Poverty rate

1.6%

U.S. 12.5%

Households earning $150K+

17.1%

U.S. 23%

Income inequality (Gini)

0.313

U.S. 0.483

Housing

Median home value

52133

$246,100

Winneshiek Co.

$259,200

Iowa

$208,000

United States

$332,700

Median gross rent

52133

—

Winneshiek Co.

$861

Iowa

$972

United States

$1,413

Types of housing

Single-family

93%

2–4 units

5–19 units

20+ units

Mobile home

Boat, RV, van

Housing units: 276
Owner-occupied: 92.2%
Vacant: 11.2%
Median year built: 1939 or earlier
Median rooms: 7
Renters paying 30%+ of income: 33.3%
Renters paying 50%+ of income: 0%
Home value to income: 3.2× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

60%

Carpooled

18%

Transit

Walked

Bicycle

Worked from home

15%

Other

0.3%

Commute time (one way)

<10 min

10–19

21%

20–29

57%

30–44

12%

45–59

0.7%

60+

0.3%

Average commute

20.4 min

U.S. 26.4 min

Unemployment

U.S. 5.2%

In labor force

70.7%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Sales

27%

Arts, media and sports

14%

Computer and math

11%

Transportation and moving

Management

Healthcare

Construction and repair

Office and admin

Cleaning and personal care

Production

Business and finance

Food service

Farming, fishing and forestry

0.5%

Engineering and science

Education

Legal and social services

Police and fire

Industries

Retail

39%

Professional and technical services

13%

Health care and social assistance

12%

Agriculture and mining

12%

Manufacturing

Construction

Admin, support and management

Transportation, warehousing and utilities

Wholesale

Education

Restaurants and hotels

0.8%

Other services

0.5%

Arts and recreation

0.3%

Finance, insurance and real estate

Public administration

Information

Median earnings per worker

$46,130

U.S. $49,666

Self-employed

27.4%

U.S. 10%

Government workers

0.5%

U.S. 14.5%

Nonprofit workers

0.5%

U.S. 8.8%

Median earnings by type of work

Type of work	52133	U.S.
Management, business, science and arts	$55,000	$74,888
Service	$53,125	$26,804
Sales and office	$37,108	$40,476
Construction and maintenance	$41,094	$49,199
Production and transportation	$52,813	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

52%

Some college

15%

Associate's

19%

Bachelor's

11%

Graduate

High school graduate or higher: 97.4%
Bachelor's degree or higher: 11.3%
Graduate or professional degree: 0%
Households with broadband: 94.3%
Cable, fiber or DSL: 66.5%
No internet access: 1.2%
Without health insurance: 1.2%
Limited-English households: 0%

Geography

City (USPS): Castalia
State: Iowa
County: Winneshiek County
Center point: 43.1089° N, 91.6606° W
Land area: 44 sq mi
Water area: under 0.1 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

52133 spans 2 counties

Winneshiek County70% of land
Fayette County30% of land

Cities and towns within this zip

Castalia1% of zip

Census places overlapping the zip's area. Mail may use a different city name than the municipality.

Zip codes near 52133

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
52161	Ossian, IA	5 mi	1,532	$87,870	$171,400
52162	Postville, IA	5.4 mi	3,744	$64,125	$133,100
52135	Clermont, IA	6.1 mi	834	$88,438	$121,400
52156	Luana, IA	11 mi	769	$99,554	$225,700
52175	West Union, IA	12 mi	3,484	$59,800	$160,600
52141	Elgin, IA	12 mi	1,259	$64,647	$115,500
52166	Saint Lucas, IA	14 mi	137	$110,938	$146,900
52172	Waukon, IA	14 mi	5,877	$68,875	$166,100
52159	Monona, IA	15 mi	2,398	$74,259	$165,400
52132	Calmar, IA	15 mi	1,759	$100,559	$231,600
52144	Fort Atkinson, IA	15 mi	1,075	$84,609	$217,500
52168	Spillville, IA	16 mi	356	$54,375	$157,500

Questions about 52133

What city is zip code 52133?

52133 is assigned to Castalia, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 52133 in?

52133 is mostly in Winneshiek County, but it extends into 1 other county.

What is the population of 52133?

About 673 people live in 52133, according to the Census Bureau's American Community Survey.

What time zone is 52133 in?

52133 is in Central Time.

What is the median household income in 52133?

The median household income in 52133 is $76,250.

What zip codes are near 52133?

The closest zip codes to 52133 are 52161, 52162, 52135, 52156, 52175.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 52133, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.