Olin ZIP Codes — Jones County, IA

There is one unique ZIP code in Olin, Iowa and it is 52320. Area code: 319.

ZIP codes

58.14

sq mi land

0.60

sq mi water

319

area code

Olin, IA ZIP code map

About Olin, IA

Olin is a small yet charming city located in Iowa, nestled within the scenic Jones County. The city is known for its tight-knit community and friendly atmosphere, making it a great place to live and visit. With its rich history and local culture, Olin offers a unique experience for residents and travelers alike.

Location & geography

Olin is situated in the eastern part of Iowa, approximately 20 miles southwest of the larger city of Cedar Rapids. The city is surrounded by beautiful landscapes, featuring rolling hills and lush greenery that characterize this part of the state. With a total land area of 58.14 square miles and a small water area of 0.60 square miles, Olin is defined by its rural charm and outdoor opportunities.

Community & economy

The character of Olin is marked by its strong sense of community, where residents take pride in their town and actively participate in local events. The economy is supported by various small businesses and industries, contributing to the small-town lifestyle that is prevalent in the area. Daily life in Olin revolves around community gatherings, local festivals, and enjoying the beautiful natural surroundings.

Transportation

Transportation in Olin is facilitated primarily by local roads and highways, with U.S. Route 30 providing access to nearby regions. The nearest named airport is the Eastern Iowa Airport, located approximately 25 miles away in Cedar Rapids. Public transit options are limited, making personal vehicles the most common mode of transportation.

History

Olin was founded in the late 19th century and has a rich agricultural heritage that has shaped its identity. Key industries in the early days included farming and local commerce, which continue to play a vital role in the community’s economy today. Notable events in Olin’s history include the development of local infrastructure that facilitated growth and connectivity within Jones County.

Did you know?

One surprising fact about Olin is its vibrant local events calendar, which includes annual festivals that draw attendees from surrounding areas. Additionally, the city has a historical importance tied to its agricultural roots, which continue to influence its economy and community spirit.

ZIP codes for Olin, IA (1)

ZIP code	City	County	Map
52320	Olin	Jones	View map

Demographics & statistics

1,290

Population

37.4

Median age

$64,479

Median household income

$27,912

Per capita income

$124,200

Median home value

$735

Median monthly rent

75.7%

Home ownership

16.0%

Poverty rate

9.9%

Unemployment

393

Housing units

8.7%

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	252	19.5%
18 and over	1,038	80.5%
65 and over	182	14.1%
Median age	37.4 years

Race & ethnicity

White 82.1%

Hispanic or Latino 8.6%

Two or more races 8.5%

Asian 0.6%

Other race 0.2%

Group	Count	%
White	1,158	82.1%
Hispanic or Latino	121	8.6%
Two or more races	120	8.5%
Asian	9	0.6%
Other race	3	0.2%

Household income

Under $10k 5.1%

$10k–$15k 2.6%

$15k–$25k 9.1%

$25k–$35k 10.9%

$35k–$50k 10.6%

$50k–$75k 20.4%

$75k–$100k 15.5%

$100k–$150k 17.7%

$150k–$200k 5.3%

$200k+ 2.8%

Range	% of households
Under $10k	5.1%
$10k–$15k	2.6%
$15k–$25k	9.1%
$25k–$35k	10.9%
$35k–$50k	10.6%
$50k–$75k	20.4%
$75k–$100k	15.5%
$100k–$150k	17.7%
$150k–$200k	5.3%
$200k+	2.8%
Median income	$64,479

Housing

Home values

Under $50k 8.7%

$50k–$100k 32.6%

$100k–$150k 21.9%

$150k–$200k 16.6%

$200k–$300k 8.1%

$300k–$500k 8.4%

$500k–$1M 1.4%

$1M+ 2.2%

Housing overview

Metric	Value
Median home value	$124,200
Median rent / month	$735
Owner occupied	75.7%
Renter occupied	24.3%
Vacant	7.3%
Single-family detached	87.0%
Large apartment buildings	0.0%
Mobile homes	6.9%
Median rooms	6.5
Avg household size (owned)	2.54

Year built

Era	%
2020 or later	0.0%
2010–2019	1.2%
2000–2009	4.5%
1990–1999	7.5%
1980–1989	3.0%
1970–1979	18.7%
1960–1969	6.3%
1950–1959	9.1%
1940–1949	4.3%
1939 or earlier	45.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	3.2%
2 bedrooms	32.1%
3 bedrooms	41.4%
4 bedrooms	20.5%
5+ bedrooms	2.8%

Vehicles per household

Vehicles	% of households
No vehicle	4.9%
1 vehicle	30.9%
2 vehicles	30.9%
3 or more	33.4%

Heating fuel

Fuel type	%
Utility gas	53.0%
Electricity	8.3%
Propane / LP gas	29.8%
Fuel oil	0.6%
Wood	7.0%
No fuel used	1.3%

Households & families

Household type	Count	%
Married-couple family	249	53.0%
Cohabiting couple	24	5.1%
Male householder, no spouse	106	22.6%
Female householder, no spouse	91	19.4%
Households with children under 18	128	27.2%
Households with seniors (65+)	117	24.9%
Average household size	2.74

Marital status

Status	Male	Female
Never married	41.8%	34.8%
Married	44.5%	47.4%
Separated	0.0%	2.1%
Widowed	2.5%	4.5%
Divorced	11.3%	11.3%

Education

Less than 9th grade 1.6%

Some HS, no diploma 6.1%

HS graduate 49.3%

Some college, no degree 18.6%

Associate's degree 15.7%

Bachelor's degree 6.1%

Graduate / professional 2.6%

Metric	%
HS diploma or higher	92.3%
Bachelor's or higher	8.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	22	7.9%
Kindergarten	17	6.1%
Elementary school	99	35.5%
High school	95	34.1%
College / grad school	46	16.5%

Employment

Industry of employment

Retail trade 20.5%

Construction 16.4%

Professional & management 13.2%

Education & healthcare 12.5%

Manufacturing 10.3%

Transportation & utilities 7.4%

Agriculture & mining 4.1%

Finance & real estate 3.8%

Wholesale trade 2.8%

Information 2.7%

Public administration 2.5%

Arts, food & hospitality 2.4%

Other services 1.4%

Occupation

Category	%
Management, business & arts	19.6%
Service	12.6%
Sales & office	29.7%
Natural resources & construction	26.8%
Production & transportation	11.4%

Employment type

Type	%
Private sector	86.9%
Government	7.7%
Self-employed	5.4%
Unpaid family workers	0.0%

Commute

Method	%
Drive alone	62.8%
Carpool	22.9%
Public transit	0.0%
Walk	4.4%
Other means	0.2%
Avg commute (minutes)	32.3

Poverty

All people 16.0%

Under 18 years 32.1%

18 and over 12.2%

Married-couple families 5.6%

Female-led households 21.3%

Income support

Source	% of households
Social Security	30.4%
Retirement income	19.4%
Supplemental Security	12.1%
Cash public assistance	1.7%
Food stamps / SNAP	13.8%

Health indicators

Condition	%
High blood pressure	35.0%
High cholesterol	33.3%
Heart disease	7.2%
Stroke	3.2%
Asthma	9.5%
Arthritis	25.6%
Kidney disease	3.0%
Pulmonary disease	7.5%
Cancer	7.2%

Behavior / access	%
Binge drinking	20.6%
No physical activity	25.3%
Less than 7 hrs sleep	30.3%
Fair or poor health	13.6%
Poor mental health	13.5%
Poor physical health	10.4%
No health insurance	9.5%
Visited doctor (checkup)	74.7%
Visited dentist	67.8%
Cholesterol screening	88.6%
Teeth loss	13.6%

Veterans & disability

Veterans	Count	%
Civilian veterans	83	8.0%

Disability	%
Any disability	15.7%
Under 18	4.4%
18–64 years	15.4%
65 and over	32.4%

Health insurance coverage

Type	%
Private insurance	58.4%
Public insurance	50.1%
Uninsured under 19	0.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	1,239	96.0%
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)	1,288	99.8%
Born in same state	1,281	99.3%
Born in different state	1,133	87.8%
Foreign born	7	0.5%
Naturalized citizen	2	0.2%
Not a US citizen	2	100.0%

Ancestry

Ancestry	Count	%
Italian	228	17.7%
Arab	106	8.2%
English	49	3.8%

Ancestry	Count	%
French	33	2.6%
Dutch	9	0.7%
Polish	7	0.5%

Technology access

Metric	% of households
Computer access	36.4%
Internet access	87.4%

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

Frequently asked questions

What ZIP codes does Olin, IA have?

Olin, IA has one ZIP code: 52320. Each ZIP code serves a distinct delivery area within the city and surrounding region.