50528 ZIP Code — Cylinder, IA

Palo Alto County, Iowa

ZIP code 50528 is located in Cylinder, Iowa, within Palo Alto County. It covers approximately 74.50 square miles and serves a population of 344 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 712.

About ZIP code 50528

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Owner-occupancy sits near the national average at 72%.

The gap between median ($70,313) and mean household income suggests income inequality — a small number of higher earners pull the average up. 31% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 25 minutes is near the national average.

Educational attainment is near the national average, with 30% of residents holding a bachelor's degree or higher.

344

population

74.50

sq mi land

Standard

ZIP type

Central (CT)

timezone

50528 ZIP code map

Cities in ZIP code 50528

Below are the cities the US Postal Service accepts for ZIP code 50528. Using any city not on this list may result in mail delivery delays.

City	Status
Cylinder	Preferred

Nearby ZIP codes

50598 Whittemore (6.2 mi) 50536 Emmetsburg (8.2 mi) 50539 Fenton (10 mi) 51342 Graettinger (11.5 mi) 50559 Lone Rock (12 mi) 50578 Ringsted (12.1 mi) 50597 West Bend (12.1 mi) 50562 Mallard (13.4 mi) 51365 Wallingford (15.5 mi) 50511 Algona (17.4 mi) 50527 Curlew (17.7 mi) 51358 Ruthven (17.8 mi)

Demographics updated 05/2026

Population
Total population	344
Population density	5 / sq mi
State FIPS	19
County FIPS	147

Geography
Land area	74.50 sq mi
Water area	0.00 sq mi
Latitude	43.1325
Longitude	-94.5310
Timezone	Central (CT)
Area code	712

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.5%	43.5%	40.1%
$50k – $100k	29.4%	34.8%	33.4%
$100k – $200k	26.5%	18.6%	21.5%
Over $200k	17.6%	3.2%	5.0%

Demographics & statistics

344

Population

People per sq mi

33.0

Median age

$70,313

Median household income

$45,267

Per capita income

Median home value

$616

Median monthly rent

71.7%

Home ownership

1.2%

Poverty rate

10.6%

Unemployment

126

Housing units

30.0%

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	116	33.7%
18 and over	228	66.3%
65 and over	50	14.5%
Median age	33.0 years

Race & ethnicity

White 88.9%

Two or more races 9.4%

Hispanic or Latino 1.7%

Group	Count	%
White	311	88.9%
Two or more races	33	9.4%
Hispanic or Latino	6	1.7%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	26.5%	43.5%	40.1%
$50k – $100k	29.4%	34.8%	33.4%
$100k – $200k	26.5%	18.6%	21.5%
Over $200k	17.6%	3.2%	5.0%

$10k–$15k 1.6%

$15k–$25k 6.3%

$25k–$35k 5.5%

$35k–$50k 14.2%

$50k–$75k 27.6%

$75k–$100k 1.6%

$100k–$150k 13.4%

$150k–$200k 7.9%

$200k+ 22.0%

Range	% of households
$10k–$15k	1.6%
$15k–$25k	6.3%
$25k–$35k	5.5%
$35k–$50k	14.2%
$50k–$75k	27.6%
$75k–$100k	1.6%
$100k–$150k	13.4%
$150k–$200k	7.9%
$200k+	22.0%
Median income	$70,313

Housing

Home values

Under $50k 6.6%

$50k–$100k 23.1%

$100k–$150k 19.8%

$150k–$200k 4.4%

$200k–$300k 4.4%

$300k–$500k 24.2%

$500k–$1M 7.7%

$1M+ 9.9%

Housing overview

Metric	Value
Median home value	$0
Median rent / month	$616
Owner occupied	71.7%
Renter occupied	28.3%
Vacant	21.6%
Single-family detached	100.0%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	10.0
Avg household size (owned)	3.07

Year built

Era	%
2020 or later	0.0%
2010–2019	1.2%
2000–2009	11.7%
1990–1999	0.0%
1980–1989	4.9%
1970–1979	17.9%
1960–1969	0.0%
1950–1959	14.2%
1940–1949	9.9%
1939 or earlier	40.1%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	2.5%
2 bedrooms	17.9%
3 bedrooms	30.2%
4 bedrooms	35.8%
5+ bedrooms	13.6%

Vehicles per household

Vehicles	% of households
No vehicle	0.0%
1 vehicle	23.6%
2 vehicles	50.4%
3 or more	26.0%

Heating fuel

Fuel type	%
Utility gas	21.3%
Electricity	24.4%
Propane / LP gas	44.1%

Households & families

Household type	Count	%
Married-couple family	75	59.1%
Cohabiting couple	0	0.0%
Male householder, no spouse	32	25.2%
Female householder, no spouse	20	15.7%
Households with children under 18	47	37.0%
Households with seniors (65+)	30	23.6%
Average household size	2.71

Marital status

Status	Male	Female
Never married	33.3%	21.5%
Married	61.2%	66.9%
Separated	3.9%	0.0%
Widowed	0.0%	8.5%
Divorced	1.6%	3.1%

Education

Less than 9th grade 0.0%

Some HS, no diploma 0.9%

HS graduate 28.2%

Some college, no degree 25.8%

Associate's degree 15.0%

Bachelor's degree 23.9%

Graduate / professional 6.1%

Metric	%
HS diploma or higher	99.1%
Bachelor's or higher	30.0%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	7	7.7%
Kindergarten	3	3.3%
Elementary school	49	53.8%
High school	31	34.1%
College / grad school	1	1.1%

Employment

Industry of employment

Education & healthcare 30.9%

Agriculture & mining 13.2%

Manufacturing 12.5%

Construction 9.2%

Other services 7.2%

Transportation & utilities 6.6%

Retail trade 5.9%

Wholesale trade 4.6%

Public administration 4.6%

Finance & real estate 2.0%

Arts, food & hospitality 2.0%

Professional & management 1.3%

Occupation

Category	%
Management, business & arts	36.8%
Service	16.4%
Sales & office	10.5%
Natural resources & construction	15.8%
Production & transportation	20.4%

Employment type

Type	%
Private sector	72.4%
Government	7.9%
Self-employed	18.4%
Unpaid family workers	1.3%

Commute

Method	%
Drive alone	78.3%
Carpool	12.5%
Public transit	0.0%
Walk	0.0%
Work from home	9.2%
Other means	0.0%
Avg commute (minutes)	24.5

Poverty

All people 1.2%

Under 18 years 0.0%

18 and over 1.8%

Married-couple families 2.7%

Female-led households 0.0%

Income support

Source	% of households
Social Security	30.7%
Retirement income	11.8%
Supplemental Security	2.4%
Cash public assistance	0.0%
Food stamps / SNAP	1.6%

Health indicators

Condition	%
Obesity	38.6%
High blood pressure	34.8%
High cholesterol	35.2%
Diabetes	9.9%
Heart disease	6.8%
Stroke	2.9%
Asthma	8.8%
Arthritis	26.3%
Kidney disease	2.8%
Pulmonary disease	6.4%
Cancer	7.8%

Behavior / access	%
Smoking	15.7%
Binge drinking	21.9%
No physical activity	22.5%
Less than 7 hrs sleep	29.2%
Depression	15.8%
Fair or poor health	11.2%
Poor mental health	12.0%
Poor physical health	9.0%
No health insurance	7.8%
Visited doctor (checkup)	75.5%
Visited dentist	71.9%
Cholesterol screening	90.8%
Teeth loss	10.1%

Veterans & disability

Veterans	Count	%
Civilian veterans	18	7.9%

Disability	%
Any disability	13.7%
Under 18	16.4%
18–64 years	12.9%
65 and over	10.0%

Health insurance coverage

Type	%
Private insurance	73.8%
Public insurance	25.6%
No insurance	11.0%
Uninsured under 19	6.9%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	315	91.6%
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)	344	100.0%
Born in same state	329	95.6%
Born in different state	212	61.6%
Foreign born	15	4.4%
Naturalized citizen	0	0.0%
Not a US citizen	0	0.0%

Ancestry

Ancestry	Count	%
Italian	133	38.7%
Polish	43	12.5%
French	16	4.7%
German	15	4.4%

Ancestry	Count	%
Dutch	10	2.9%
English	8	2.3%
Arab	6	1.7%

Technology access

Metric	% of households
Computer access	36.9%
Internet access	92.1%

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

Frequently asked questions about ZIP code 50528

What city is ZIP code 50528 in?

ZIP code 50528 is primarily assigned to Cylinder, Iowa.

What county is ZIP code 50528 in?

ZIP code 50528 falls within Palo Alto County, Iowa.

Is ZIP code 50528 family-oriented?

34% of residents in ZIP code 50528 are under 18, reflecting a younger, family-oriented community.

What is the population of ZIP code 50528?

ZIP code 50528 has an estimated population of 344 residents, with a density of 5 people per square mile.

What is the median household income in ZIP code 50528?

The median household income in ZIP code 50528 is $70,313, below the national median of ~$75,000.

What timezone is ZIP code 50528 in?

ZIP code 50528 observes the CST timezone.