Tiffin ZIP Codes — Johnson County, IA

There is one unique ZIP code in Tiffin, Iowa and it is 52340. Area code: 319.

ZIP codes

19.05

sq mi land

0.01

sq mi water

319

area code

Tiffin, IA ZIP code map

About Tiffin, IA

Tiffin is a vibrant city located in Johnson County, Iowa. Known for its friendly community and growing infrastructure, Tiffin serves as a suburban hub for residents who commute to nearby Iowa City and Coralville. Its ZIP code is 52340, and the city has a single ZIP code representing its extent.

Location & geography

Tiffin is positioned in eastern Iowa, just a few miles from the larger cities of Iowa City and Coralville, which are approximately 8 and 6 miles away, respectively. The city covers a land area of 19.05 square miles, showcasing a primarily flat terrain with an underlying agricultural backdrop. Tiffin also encompasses a small water area of 0.01 square miles, contributing to its scenic landscape.

Community & economy

The character of Tiffin is marked by its strong sense of community and family-oriented atmosphere. As the city has grown, various industries have begun to flourish, including education, retail, and hospitality, all contributing to the local economy. Daily life in Tiffin is dynamic, with residents enjoying parks, local events, and easy access to the amenities of nearby urban centers.

Transportation

Tiffin is conveniently situated near major highways, including U.S. Route 218 and Interstate 80, facilitating travel to neighboring cities and other parts of Iowa. The nearest airport is the Eastern Iowa Airport, which is approximately 20 miles away, offering both domestic and limited international flights. Public transit options are available in the area, mainly connecting residents to nearby urban hubs.

History

Tiffin was founded in the mid-19th century and has seen significant growth in recent decades as suburban development expanded outward from Iowa City. The city's growth has been fueled by its proximity to educational institutions and its role as a bedroom community for those working in larger cities. Notable events in Tiffin's history include its incorporation in the early 2000s, which set the stage for its rapid expansion and development.

Did you know?

A little-known fact about Tiffin is that it is home to the popular 'Tiffin Fest', an annual event that celebrates community spirit with various activities, food, and entertainment. Additionally, the city is gaining recognition for its commitment to sustainability and green living initiatives among local residents.

ZIP codes for Tiffin, IA (1)

ZIP code	City	County	Map
52340	Tiffin	Johnson	View map

Demographics & statistics

5,192

Population

32.4

Median age

$95,048

Median household income

$37,998

Per capita income

$297,100

Median home value

$1,189

Median monthly rent

84.8%

Home ownership

8.3%

Poverty rate

3.3%

Unemployment

1,880

Housing units

47.6%

Bachelor's or higher

Age distribution

Male Female

226

Under 5

250

224

5–9

248

194

10–14

215

15–19

271

20–24

299

472

25–34

520

292

35–44

322

193

45–54

213

188

55–59

208

60–64

163

65–74

180

75–84

85+

← Male

Female →

Age summary

Group	Count	%
Under 18	1,453	28.0%
18 and over	3,739	72.0%
65 and over	495	9.5%
Median age	32.4 years

Race & ethnicity

White 83.6%

Two or more races 5.8%

Black or African American 4.4%

Asian 2.7%

Hispanic or Latino 1.8%

Other race 1.7%

American Indian / Alaska Native 0.2%

Group	Count	%
White	4,416	83.6%
Two or more races	308	5.8%
Black or African American	230	4.4%
Asian	141	2.7%
Hispanic or Latino	93	1.8%
Other race	88	1.7%
American Indian / Alaska Native	9	0.2%

Household income

Under $10k 0.7%

$10k–$15k 7.0%

$15k–$25k 3.0%

$25k–$35k 2.6%

$35k–$50k 6.8%

$50k–$75k 14.4%

$75k–$100k 17.5%

$100k–$150k 33.4%

$150k–$200k 10.0%

$200k+ 4.7%

Range	% of households
Under $10k	0.7%
$10k–$15k	7.0%
$15k–$25k	3.0%
$25k–$35k	2.6%
$35k–$50k	6.8%
$50k–$75k	14.4%
$75k–$100k	17.5%
$100k–$150k	33.4%
$150k–$200k	10.0%
$200k+	4.7%
Median income	$95,048

Housing

Home values

Under $50k 0.6%

$50k–$100k 8.1%

$100k–$150k 2.5%

$150k–$200k 1.9%

$200k–$300k 38.4%

$300k–$500k 38.6%

$500k–$1M 9.9%

Housing overview

Metric	Value
Median home value	$297,100
Median rent / month	$1,189
Owner occupied	84.8%
Renter occupied	15.2%
Vacant	10.2%
Single-family detached	48.8%
Large apartment buildings	0.0%
Mobile homes	0.8%
Median rooms	6.3
Avg household size (owned)	2.66

Year built

Era	%
2020 or later	4.5%
2010–2019	44.3%
2000–2009	24.5%
1990–1999	15.5%
1980–1989	3.4%
1970–1979	1.1%
1960–1969	0.0%
1950–1959	2.3%
1940–1949	0.0%
1939 or earlier	4.2%

Bedrooms

Size	% of units
No bedroom (studio)	0.0%
1 bedroom	1.3%
2 bedrooms	16.0%
3 bedrooms	44.6%
4 bedrooms	25.6%
5+ bedrooms	12.6%

Vehicles per household

Vehicles	% of households
No vehicle	0.1%
1 vehicle	25.2%
2 vehicles	58.7%
3 or more	16.1%

Heating fuel

Fuel type	%
Utility gas	47.9%
Electricity	37.6%
Propane / LP gas	7.7%
Fuel oil	0.7%
No fuel used	4.7%

Households & families

Household type	Count	%
Married-couple family	1,028	52.6%
Cohabiting couple	237	12.1%
Male householder, no spouse	120	6.1%
Female householder, no spouse	570	29.2%
Households with children under 18	774	39.6%
Households with seniors (65+)	338	17.3%
Average household size	2.66

Marital status

Status	Male	Female
Never married	36.6%	24.7%
Married	59.3%	51.2%
Separated	0.2%	0.2%
Widowed	0.0%	3.8%
Divorced	3.8%	20.0%

Education

Less than 9th grade 3.3%

Some HS, no diploma 0.7%

HS graduate 19.1%

Some college, no degree 11.5%

Associate's degree 17.7%

Bachelor's degree 31.1%

Graduate / professional 16.5%

Metric	%
HS diploma or higher	96.0%
Bachelor's or higher	47.6%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	147	8.3%
Kindergarten	123	6.9%
Elementary school	714	40.3%
High school	135	7.6%
College / grad school	651	36.8%

Employment

Industry of employment

Education & healthcare 38.6%

Retail trade 9.6%

Manufacturing 9.2%

Construction 7.8%

Finance & real estate 7.5%

Professional & management 7.1%

Public administration 6.5%

Other services 5.1%

Transportation & utilities 2.7%

Agriculture & mining 2.6%

Arts, food & hospitality 1.9%

Wholesale trade 1.2%

Information 0.3%

Occupation

Category	%
Management, business & arts	59.6%
Service	8.3%
Sales & office	21.4%
Natural resources & construction	7.2%
Production & transportation	3.6%

Employment type

Type	%
Private sector	74.3%
Government	21.8%
Self-employed	3.8%
Unpaid family workers	0.2%

Commute

Method	%
Drive alone	78.3%
Carpool	2.6%
Public transit	0.2%
Walk	0.0%
Other means	0.5%
Avg commute (minutes)	20.2

Poverty

All people 8.3%

Under 18 years 2.2%

18 and over 10.7%

Married-couple families 0.6%

Female-led households 9.2%

Income support

Source	% of households
Social Security	19.1%
Retirement income	10.5%
Supplemental Security	0.3%
Cash public assistance	0.0%
Food stamps / SNAP	2.0%

Health indicators

Condition	%
High blood pressure	22.3%
High cholesterol	25.1%
Heart disease	3.7%
Stroke	1.7%
Asthma	9.0%
Arthritis	17.1%
Kidney disease	1.8%
Pulmonary disease	3.9%
Cancer	4.9%

Behavior / access	%
Binge drinking	25.7%
No physical activity	16.8%
Less than 7 hrs sleep	29.4%
Fair or poor health	8.3%
Poor mental health	13.7%
Poor physical health	6.8%
No health insurance	7.9%
Visited doctor (checkup)	70.6%
Visited dentist	71.1%
Cholesterol screening	87.0%
Teeth loss	8.3%

Veterans & disability

Veterans	Count	%
Civilian veterans	220	5.9%

Disability	%
Any disability	7.1%
Under 18	1.0%
18–64 years	7.2%
65 and over	24.6%

Health insurance coverage

Type	%
Private insurance	89.5%
Public insurance	20.0%
Uninsured under 19	0.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	4,716	90.8%
Spanish	137	2.9%
Other Indo-European	66	1.4%
Asian & Pacific Islander	29	0.6%
Other languages	42	0.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	4,888	94.1%
Born in same state	4,888	94.1%
Born in different state	3,710	71.5%
Foreign born	0	0.0%
Naturalized citizen	304	5.9%
Not a US citizen	222	73.0%

Ancestry

Ancestry	Count	%
Italian	1,072	20.6%
French	482	9.3%
Polish	200	3.9%

Ancestry	Count	%
Arab	121	2.3%
English	50	1%
Dutch	36	0.7%

Technology access

Metric	% of households
Computer access	37.7%
Internet access	99.3%

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

Frequently asked questions

What ZIP codes does Tiffin, IA have?

Tiffin, IA has one ZIP code: 52340. Each ZIP code serves a distinct delivery area within the city and surrounding region.