Zip code 51010: Castana, Iowa

Q: What city is zip code 51010?

51010 is assigned to Castana, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

Q: What county is 51010 in?

51010 is in Monona County, Iowa.

Q: What is the population of 51010?

About 425 people live in 51010, according to the Census Bureau's American Community Survey.

Q: What is the median household income in 51010?

The median household income in 51010 is $89,063.

Q: What zip codes are near 51010?

The closest zip codes to 51010 are 51051, 51040, 51034, 51056, 51572.

Residential delivery areaMonona CountyCentral Time

Population

425

Small sample: rough estimates

Median household income

$89K

U.S. $81K

Median home value

$115K

U.S. $333K

Median rent

under $100/mo

U.S. $1,413

Median age

46.7

U.S. 38.9

Land area

72 sq mi

6 people/sq mi

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

About 51010

51010 is a rural zip code in Castana, Iowa (Monona County), covering 72 sq mi of land. About 425 people live here, or 6 per square mile. The median resident is 46.7 years old, compared with 38.9 nationally. With so few residents, the Census figures below are rough estimates with wide margins of error.

The median household earns $89,063 a year, close to the national median of $80,734. 2.4% of residents live below the poverty line (U.S.: 12.5%). A typical home is valued at $114,800, or 1.3 years of median household income (U.S.: 4.1 years), which makes homes relatively affordable for local earners. 88% of occupied homes are lived in by their owners, and renters pay a median of under $100 a month.

11% of adults hold a bachelor's degree or higher (U.S.: 36%). Commuters average 35 minutes each way, and 7% of workers work from home. The most common jobs among working residents are in transportation and moving goods; cleaning and personal care; and management.

How 51010 compares

Sorted from highest to lowest national percentile

Only about 425 people live here, so these survey estimates have wide margins of error.

Housing vacancy20.6%
94th
U.S. 10.1% · IA 8.5%82nd of 909 in IA
Homeownership rate87.5%
93rd
StrengthU.S. 65.2% · IA 71.7%247th of 909 in IA
Average commute35 min
91st
WeaknessU.S. 26.4 min · IA 19.8 min44th of 902 in IA
Median age46.7
90th
U.S. 38.9 · IA 38.6274th of 911 in IA
Veterans9.7%
88th
U.S. 6.2% · IA 6.5%176th of 911 in IA
Self-employed workers11.6%
74th
U.S. 10% · IA 10.2%552nd of 911 in IA
Median household income$89,063
61st
U.S. $80,734 · IA $75,059200th of 896 in IA
Residents 65 and older17.4%
56th
U.S. 17.2% · IA 18.1%627th of 911 in IA
Healthcare workers9.7%
53rd
U.S. 9.7% · IA 9.2%339th of 911 in IA
Per capita income$40,064
50th
U.S. $44,673 · IA $40,877365th of 911 in IA
Residents under 1820.2%
33rd
U.S. 22% · IA 22.9%636th of 911 in IA
Work from home6.9%
16th
U.S. 15.1% · IA 11.3%573rd of 911 in IA
Uninsured rate3.3%
15th
StrengthU.S. 8.4% · IA 5%493rd of 911 in IA
Tech workers1.1%
15th
U.S. 3.8% · IA 2.9%389th of 911 in IA
Median earnings per worker$34,917
8th
WeaknessU.S. $49,666 · IA $47,712864th of 910 in IA
Income inequality (Gini)0.373
7th
StrengthU.S. 0.483 · IA 0.444585th of 908 in IA
Median home value$114,800
4th
U.S. $332,700 · IA $208,000711th of 881 in IA
Diversity index10.8
4th
U.S. 61.4 · IA 31.4548th of 911 in IA
Government workers7.2%
4th
U.S. 14.5% · IA 14.5%790th of 911 in IA
Bachelor's degree or higher11%
3rd
WeaknessU.S. 35.7% · IA 31.4%797th of 911 in IA
Broadband access78.8%
3rd
WeaknessU.S. 91% · IA 88.9%808th of 909 in IA
Unemployment rate1.1%
2nd
StrengthU.S. 5.2% · IA 3.6%640th of 911 in IA
Population425
1st
U.S. 334,922,499 · IA 3,210,507714th of 911 in IA
Population density6/sq mi
1st
U.S. 95/sq mi · IA 58/sq mi874th of 911 in IA
Median gross rentunder $100
1st
U.S. $1,413 · IA $972771st of 771 in IA
Poverty rate2.4%
1st
StrengthU.S. 12.5% · IA 11.1%836th of 909 in IA
Foreign-born residents0%
1st
U.S. 14.1% · IA 5.9%842nd of 911 in IA
Rent-burdened renters5.9%
1st
StrengthU.S. 51.1% · IA 43.9%780th of 882 in IA

Measure	51010	Monona	IA	U.S.	National percentile	Rank in IA
Housing vacancy	20.6%	11.3%	8.5%	10.1%	94th	82nd of 909
Homeownership rateStrength	87.5%	75.7%	71.7%	65.2%	93rd	247th of 909
Average commuteWeakness	35 min	22.6 min	19.8 min	26.4 min	91st	44th of 902
Median age	46.7	43.7	38.6	38.9	90th	274th of 911
Veterans	9.7%	9.8%	6.5%	6.2%	88th	176th of 911
Self-employed workers	11.6%	17%	10.2%	10%	74th	552nd of 911
Median household income	$89,063	$68,377	$75,059	$80,734	61st	200th of 896
Residents 65 and older	17.4%	24.4%	18.1%	17.2%	56th	627th of 911
Healthcare workers	9.7%	11.2%	9.2%	9.7%	53rd	339th of 911
Per capita income	$40,064	$35,795	$40,877	$44,673	50th	365th of 911
Residents under 18	20.2%	22.6%	22.9%	22%	33rd	636th of 911
Work from home	6.9%	7.7%	11.3%	15.1%	16th	573rd of 911
Uninsured rateStrength	3.3%	3.9%	5%	8.4%	15th	493rd of 911
Tech workers	1.1%	1.4%	2.9%	3.8%	15th	389th of 911
Median earnings per workerWeakness	$34,917	$44,476	$47,712	$49,666	8th	864th of 910
Income inequality (Gini)Strength	0.373	0.413	0.444	0.483	7th	585th of 908
Median home value	$114,800	$142,900	$208,000	$332,700	4th	711th of 881
Diversity index	10.8	13.6	31.4	61.4	4th	548th of 911
Government workers	7.2%	15.5%	14.5%	14.5%	4th	790th of 911
Bachelor's degree or higherWeakness	11%	19.6%	31.4%	35.7%	3rd	797th of 911
Broadband accessWeakness	78.8%	84.9%	88.9%	91%	3rd	808th of 909
Unemployment rateStrength	1.1%	1.6%	3.6%	5.2%	2nd	640th of 911
Population	425	8,557	3,210,507	334,922,499	1st	714th of 911
Population density	6/sq mi	12/sq mi	58/sq mi	95/sq mi	1st	874th of 911
Median gross rent	under $100	$855	$972	$1,413	1st	771st of 771
Poverty rateStrength	2.4%	10.6%	11.1%	12.5%	1st	836th of 909
Foreign-born residents	0%	0.7%	5.9%	14.1%	1st	842nd of 911
Rent-burdened rentersStrength	5.9%	40%	43.9%	51.1%	1st	780th of 882

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

19%

5–17

18–24

25–34

16%

35–44

13%

45–54

23%

55–64

12%

65–74

75+

Median age

46.7

Under 18

20.2%

65 and over

17.4%

Race and ethnicity

White94%
Black0%
Hispanic4%
Asian0%
Native American0%
Pacific Islander0%
Other0%
Multiracial2%

Diversity index

10.8

U.S. 61.4

Foreign-born

U.S. 14.1%

Born in state

80.7%

Language spoken at home (households)

English only

96%

Spanish

Other Indo-European

Asian / Pacific

Other

Households

Households: 208
Average household size: 2
Family households: 57.7%
Married couples: 52.4%
Living alone: 40.9%
Veterans (of adults): 9.7%
Male / female: 52% / 48%

Income and poverty

Household income distribution

<$25k

10%

$25–50k

23%

$50–75k

15%

$75–100k

$100–150k

38%

$150–200k

$200k+

Median household income

51010

$89,063

Monona Co.

$68,377

Iowa

$75,059

United States

$80,734

Per capita income

$40,064

U.S. $44,673

Poverty rate

2.4%

U.S. 12.5%

Households earning $150K+

7.2%

U.S. 23%

Income inequality (Gini)

0.373

U.S. 0.483

Housing

Median home value

51010

$114,800

Monona Co.

$142,900

Iowa

$208,000

United States

$332,700

Median gross rent

51010

under $100

Monona Co.

$855

Iowa

$972

United States

$1,413

Types of housing

Single-family

88%

2–4 units

5–19 units

20+ units

Mobile home

12%

Boat, RV, van

Housing units: 262
Owner-occupied: 87.5%
Vacant: 20.6%
Median year built: 1958
Median rooms: 7.6
Renters paying 30%+ of income: 5.9%
Renters paying 50%+ of income: 5.9%
Home value to income: 1.3× (U.S. 4.1×)

Work and commute

How people get to work

Drove alone

79%

Carpooled

Transit

Walked

Bicycle

Worked from home

Other

Commute time (one way)

<10 min

14%

10–19

29%

20–29

27%

30–44

10%

45–59

60+

16%

Average commute

35 min

U.S. 26.4 min

Unemployment

1.1%

U.S. 5.2%

In labor force

80.9%

U.S. 63.5%

Jobs and careers

What employed residents do, wherever they work

Occupations

Transportation and moving

19%

Cleaning and personal care

12%

Management

12%

Healthcare

10%

Construction and repair

Office and admin

Engineering and science

Production

Legal and social services

Farming, fishing and forestry

Business and finance

Food service

Computer and math

Education

0.7%

Sales

0.7%

Arts, media and sports

Police and fire

Industries

Health care and social assistance

24%

Transportation, warehousing and utilities

16%

Professional and technical services

11%

Retail

10%

Manufacturing

Construction

Agriculture and mining

Finance, insurance and real estate

Restaurants and hotels

Admin, support and management

Public administration

Education

Information

0.7%

Arts and recreation

0.4%

Other services

Wholesale

Median earnings per worker

$34,917

U.S. $49,666

Self-employed

11.6%

U.S. 10%

Government workers

7.2%

U.S. 14.5%

Nonprofit workers

0.7%

U.S. 8.8%

Median earnings by type of work

Type of work	51010	U.S.
Management, business, science and arts	$70,179	$74,888
Service	$21,500	$26,804
Sales and office	$12,083	$40,476
Construction and maintenance	$61,071	$49,199
Production and transportation	$32,857	$39,989

Education, internet and health coverage

Highest education (adults 25+)

No diploma

High school

41%

Some college

33%

Associate's

11%

Bachelor's

Graduate

High school graduate or higher: 96.2%
Bachelor's degree or higher: 11%
Graduate or professional degree: 3.5%
Households with broadband: 78.8%
Cable, fiber or DSL: 60.1%
No internet access: 10.6%
Without health insurance: 3.3%
Limited-English households: 0%

Geography

City (USPS): Castana
State: Iowa
County: Monona County
Center point: 42.0975° N, 95.9382° W
Land area: 72 sq mi
Water area: 0.4 sq mi
Time zone: Central Time (UTC-6, UTC-5 in summer)
Zip type: Residential delivery area

Cities and towns within this zip

Castana1% of zip

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

Zip codes near 51010

Search by radius

Zip	City	Distance	Population	IncomeMedian income	Home value
51051	Rodney, IA	7.6 mi	39	$51,563	$170,800
51040	Onawa, IA	8.1 mi	3,500	$71,179	$151,600
51034	Mapleton, IA	8.9 mi	1,674	$66,375	$120,500
51056	Smithland, IA	10 mi	346	$103,313	$157,400
51572	Soldier, IA	10 mi	371	$69,500	$101,300
51026	Hornick, IA	13 mi	910	$80,500	$211,400
51558	Moorhead, IA	13 mi	549	$77,417	$100,000
51063	Whiting, IA	13 mi	1,072	$80,750	$159,500
51060	Ute, IA	14 mi	706	$52,500	$99,400
51523	Blencoe, IA	14 mi	379	$82,625	$136,800
51044	Oto, IA	15 mi	165	$90,417	$83,800
51019	Danbury, IA	17 mi	448	$75,000	$105,800

Questions about 51010

What city is zip code 51010?

51010 is assigned to Castana, Iowa. The city name is the one the Postal Service prefers for mail addressed to this zip code.

What county is 51010 in?

51010 is in Monona County, Iowa.

What is the population of 51010?

About 425 people live in 51010, according to the Census Bureau's American Community Survey.

What time zone is 51010 in?

51010 is in Central Time.

What is the median household income in 51010?

The median household income in 51010 is $89,063.

What zip codes are near 51010?

The closest zip codes to 51010 are 51051, 51040, 51034, 51056, 51572.

Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 51010, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.