50602 ZIP Code — Allison, IA

Butler County, Iowa

ZIP code 50602 is located in Allison, Iowa, within Butler County. It covers approximately 78.91 square miles and serves a population of 1,382 residents. This is a standard ZIP code in the Central (CT) timezone, served by area code 319.

About ZIP code 50602

The housing stock consists of predominantly single-family detached homes. Most homes were built in the pre-1940, giving the area an established character. Median home value is $107,600. Owner-occupancy is high at 76%, well above the national average.

Median household income is $63,421. 47% 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 23 minutes is near the national average.

College attainment at 16% is below the national average, consistent with a trades and production-oriented local economy.

Overall, ZIP code 50602 reflects a community defined by a trades-oriented workforce, high homeownership, and a significant Social Security-dependent population.

1,382

population

78.91

sq mi land

Standard

ZIP type

Central (CT)

timezone

50602 ZIP code map

Cities in ZIP code 50602

Below are the cities the US Postal Service accepts for ZIP code 50602. Using any city not on this list may result in mail delivery delays.

City	Status
Allison	Preferred

Nearby ZIP codes

50619 Clarksville (7.1 mi) 50670 Shell Rock (9.1 mi) 50625 Dumont (9.8 mi) 50604 Aplington (10.7 mi) 50665 Parkersburg (11.4 mi) 50636 Greene (11.4 mi) 50660 New Hartford (13.2 mi) 50605 Aredale (13.4 mi) 50653 Marble Rock (16.4 mi) 50666 Plainfield (16.8 mi) 50647 Janesville (17.1 mi) 50601 Ackley (18.4 mi)

Demographics updated 05/2026

Population
Total population	1,382
Population density	18 / sq mi
State FIPS	19
County FIPS	023

Geography
Land area	78.91 sq mi
Water area	0.07 sq mi
Latitude	42.7380
Longitude	-92.7903
Timezone	Central (CT)
Area code	319

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.3%	42.3%	40.1%
$50k – $100k	40.7%	37.1%	33.4%
$100k – $200k	16.2%	18.1%	21.5%
Over $200k	1.8%	2.5%	5.0%

Demographics & statistics

1,382

Population

People per sq mi

46.7

Median age

$63,421

Median household income

$36,645

Per capita income

$107,600

Median home value

$555

Median monthly rent

76.1%

Home ownership

10.3%

Poverty rate

3.4%

Unemployment

524

Housing units

16.2%

Bachelor's or higher

Age distribution

Male Female

Under 5

5–9

10–14

15–19

20–24

25–34

35–44

108

45–54

100

55–59

60–64

65–74

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	246	17.8%
18 and over	1,136	82.2%
65 and over	375	27.1%
Median age	46.7 years

Race & ethnicity

White 98.7%

Two or more races 0.6%

Hispanic or Latino 0.5%

Black or African American 0.2%

Group	Count	%
White	1,371	98.7%
Two or more races	8	0.6%
Hispanic or Latino	7	0.5%
Black or African American	3	0.2%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	41.3%	42.3%	40.1%
$50k – $100k	40.7%	37.1%	33.4%
$100k – $200k	16.2%	18.1%	21.5%
Over $200k	1.8%	2.5%	5.0%

Under $10k 10.1%

$10k–$15k 3.0%

$15k–$25k 4.3%

$25k–$35k 4.7%

$35k–$50k 15.0%

$50k–$75k 19.3%

$75k–$100k 13.6%

$100k–$150k 17.8%

$150k–$200k 6.0%

$200k+ 6.3%

Range	% of households
Under $10k	10.1%
$10k–$15k	3.0%
$15k–$25k	4.3%
$25k–$35k	4.7%
$35k–$50k	15.0%
$50k–$75k	19.3%
$75k–$100k	13.6%
$100k–$150k	17.8%
$150k–$200k	6.0%
$200k+	6.3%
Median income	$63,421

Housing

Home values

Under $50k 9.2%

$50k–$100k 36.2%

$100k–$150k 23.8%

$150k–$200k 9.8%

$200k–$300k 13.5%

$300k–$500k 4.1%

$500k–$1M 3.3%

Housing overview

Metric	Value
Median home value	$107,600
Median rent / month	$555
Owner occupied	76.1%
Renter occupied	23.9%
Vacant	9.9%
Single-family detached	87.3%
Large apartment buildings	0.0%
Mobile homes	0.0%
Median rooms	6.2
Avg household size (owned)	2.28

Year built

Era	%
2020 or later	0.0%
2010–2019	1.0%
2000–2009	13.5%
1990–1999	5.4%
1980–1989	3.4%
1970–1979	6.3%
1960–1969	13.0%
1950–1959	10.3%
1940–1949	5.5%
1939 or earlier	41.5%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	12.1%
2 bedrooms	28.0%
3 bedrooms	44.0%
4 bedrooms	11.8%
5+ bedrooms	4.0%

Vehicles per household

Vehicles	% of households
No vehicle	5.3%
1 vehicle	24.9%
2 vehicles	40.2%
3 or more	29.6%

Heating fuel

Fuel type	%
Utility gas	51.8%
Electricity	27.6%
Propane / LP gas	16.6%
Wood	3.7%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	308	51.2%
Cohabiting couple	37	6.1%
Male householder, no spouse	139	23.1%
Female householder, no spouse	118	19.6%
Households with children under 18	147	24.4%
Households with seniors (65+)	233	38.7%
Average household size	2.22

Marital status

Status	Male	Female
Never married	37.2%	16.2%
Married	48.6%	55.2%
Separated	0.2%	0.7%
Widowed	2.3%	18.5%
Divorced	11.7%	9.5%

Education

Less than 9th grade 1.2%

Some HS, no diploma 8.9%

HS graduate 39.7%

Some college, no degree 24.1%

Associate's degree 9.9%

Bachelor's degree 12.7%

Graduate / professional 3.5%

Metric	%
HS diploma or higher	90.0%
Bachelor's or higher	16.2%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	11	5.3%
Kindergarten	8	3.8%
Elementary school	67	32.2%
High school	85	40.9%
College / grad school	37	17.8%

Employment

Industry of employment

Education & healthcare 18.8%

Construction 18.5%

Manufacturing 14.7%

Agriculture & mining 11.5%

Retail trade 9.3%

Finance & real estate 5.7%

Wholesale trade 5.0%

Transportation & utilities 3.8%

Public administration 3.4%

Professional & management 2.9%

Arts, food & hospitality 2.9%

Other services 2.9%

Information 0.4%

Occupation

Category	%
Management, business & arts	29.9%
Service	12.1%
Sales & office	14.7%
Natural resources & construction	21.5%
Production & transportation	21.9%

Employment type

Type	%
Private sector	77.9%
Government	11.0%
Self-employed	11.0%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	80.8%
Carpool	7.6%
Public transit	0.0%
Walk	5.1%
Work from home	3.6%
Other means	2.9%
Avg commute (minutes)	22.6

Poverty

All people 10.3%

Under 18 years 8.5%

18 and over 10.7%

Married-couple families 0.3%

Female-led households 53.8%

Income support

Source	% of households
Social Security	47.3%
Retirement income	22.1%
Supplemental Security	1.5%
Cash public assistance	1.8%
Food stamps / SNAP	13.8%

Health indicators

Condition	%
Obesity	34.8%
High blood pressure	37.4%
High cholesterol	35.1%
Diabetes	11.1%
Heart disease	8.1%
Stroke	3.7%
Asthma	9.0%
Arthritis	29.2%
Kidney disease	3.4%
Pulmonary disease	7.8%
Cancer	8.7%

Behavior / access	%
Smoking	16.5%
Binge drinking	20.2%
No physical activity	24.8%
Less than 7 hrs sleep	29.4%
Depression	16.7%
Fair or poor health	13.6%
Poor mental health	12.5%
Poor physical health	10.3%
No health insurance	9.1%
Visited doctor (checkup)	75.3%
Visited dentist	69.0%
Cholesterol screening	89.8%
Teeth loss	13.5%

Veterans & disability

Veterans	Count	%
Civilian veterans	89	7.8%

Disability	%
Any disability	17.0%
Under 18	2.0%
18–64 years	14.0%
65 and over	34.8%

Health insurance coverage

Type	%
Private insurance	70.0%
Public insurance	41.4%
No insurance	6.3%
Uninsured under 19	14.2%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,295	93.7%
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)	1,381	99.9%
Born in same state	1,381	99.9%
Born in different state	1,273	92.1%
Foreign born	0	0.0%
Naturalized citizen	1	0.1%
Not a US citizen	1	100.0%

Ancestry

Ancestry	Count	%
Italian	117	8.5%
Arab	110	8%
Polish	57	4.1%

Ancestry	Count	%
English	53	3.8%
French	45	3.3%
Dutch	10	0.7%

Technology access

Metric	% of households
Computer access	43.6%
Internet access	86.2%

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

Frequently asked questions about ZIP code 50602

What city is ZIP code 50602 in?

ZIP code 50602 is primarily assigned to Allison, Iowa.

What county is ZIP code 50602 in?

ZIP code 50602 falls within Butler County, Iowa.

Does ZIP code 50602 have an older population?

27% of residents in ZIP code 50602 are 65 or older, above the national average of ~17%.

Does ZIP code 50602 have a large retiree population?

47% of households in ZIP code 50602 receive Social Security income, suggesting a significant retiree or disability population.

What is the typical home value in ZIP code 50602?

The median home value in ZIP code 50602 is $107,600.

What is the population of ZIP code 50602?

ZIP code 50602 has an estimated population of 1,382 residents, with a density of 18 people per square mile.

What timezone is ZIP code 50602 in?

ZIP code 50602 observes the CST timezone.