US ZIP Code
52340

Tiffin, IA

Johnson County  ·  Iowa

● Active
👥 5,695 Population ↑ 76% since 2019
💰 $105,517 Median HH Income
▲ 38% above avg ↑ 30% since 2019
🎂 33.2 Median Age ↓ 6% since 2019
🏠 $317,900 Median Home Value
▲ 14% above avg ↑ 36% since 2019
🎓 74.0% College Grads
▲ 91% above avg
📊 0.5% Unemployment
▼ 89% below avg ↓ 74% since 2019
ZIP Code Details
ZIP Code52340
CityTiffin
StateIowa (IA)
CountyJohnson County
Area Code319
Elevation773 ft
Latitude41.705564
Longitude-91.676678
TimezoneChicago (DST)
FIPS19103
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 48.6% (2,765) Female 51.5% (2,930) ♀

Race & Ethnicity

White: 79.9%Hispanic: 4.5%Black: 5.1%Asian: 2.6%Other: 5.3%Race
White79.9%
Hispanic4.5%
Black5.1%
Asian2.6%
Other5.3%

Age Breakdown

Under 5
8%
5–17
21%
18–24
10%
25–44
31%
45–64
20%
65+
3%

Key Indicators

Median Age33.2 yrs ↓ 6% since 2019
Avg Household Size2.45
Below Poverty6.6% ▼ 34% below avg
College Grads74.0% ▲ 91% above avg
Unemployment0.5% ▼ 89% below avg
HS Graduate421 (12.7%)
Some College285 (8.6%)
Associates159 (4.8%)
Bachelors549 (16.5%)
Graduate Degree1,907 (57.4%)

Education

HS Grad: 12.7%Some College: 8.6%Associates: 4.8%Bachelors: 16.5%Graduate: 57.4%Edu
HS Grad12.7%
Some College8.6%
Associates4.8%
Bachelors16.5%
Graduate57.4%
Housing & Income

Housing Tenure

Owner: 78.9%Renter: 21.1%Tenure
Owner78.9%
Renter21.1%

Home Value Distribution

$50k–100k
6%
$100k–150k
2%
$150k–200k
1%
$200k–300k
36%
$300k–500k
41%
Over $500k
13%

Financials

Median HH Income$105,517 ▲ 38% above avg ↑ 30% since 2019
Median Home Value$317,900 ▲ 14% above avg ↑ 36% since 2019
Home/Income Ratio3.0x (nat avg ~3.5x)
Median Rent$1,336/mo ↑ 27% since 2019
Total Units2,400
Vacant Units76
Avg HH Size2.45

Income Distribution

Under $25k
10%
$25k–50k
6%
$50k–75k
13%
$75k–100k
20%
$100k–150k
29%
$150k–200k
12%
Over $200k
10%
Employment & Commute

How People Get to Work

Drove Alone
79%
Public Transit
0%
Walked
2%
Work From Home
18%

Commute Time

Under 15 min
25%
15–30 min
55%
30–45 min
15%
Over 45 min
5%
Housing Stock

Year Built

1960s–1970s
0%
1980s–1990s
18%
2000+
81%

Summary

Total Units2,400
Vacant76
Owner Occupied78.9%
Renter Occupied21.1%
Avg HH Size2.45
Frequently Asked Questions
ZIP code 52340 is in Tiffin, IA, in Johnson County.
ZIP code 52340 is located in Iowa (IA).
ZIP code 52340 is in Johnson County, IA.
ZIP 52340 observes the Chicago timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 52340 is 5,695 people (ACS 2023).
The median household income in ZIP code 52340 is $105,517 (ACS 2023).
The median home value in ZIP 52340 is $317,900 (ACS 2023).
About ZIP Code 52340

ZIP code 52340 is located in Tiffin, Iowa, within Johnson County. With a population of 5,695, this is a lightly populated ZIP code with a relatively young community — the median age is 33.2 years. Economically, 52340 is a upper-middle-income ZIP code: the median household income of $105,517 is above the national average.

Real estate in ZIP code 52340 represents a mid-range housing market. The median home value of $317,900 is near the national average. Renters can expect to pay around $1,336 per month in median rent. Homeownership is strong here — 78.9% of occupied units are owner-occupied, suggesting an established, stable residential community. Median home values have increased by 36% since 2019.

The population of 52340 is primarily White (79.91%). Residents are highly educated — 74.0% hold a bachelor's degree or higher, which is significantly above the national average. Poverty affects a relatively small share of residents at 6.6%. Household income has grown by 30% since 2019.

The unemployment rate in 52340 stands at 0.5%, which is well below the national average. About 18% of workers are remote. As in most parts of the country, driving alone is the dominant commute mode at 78%.

Overall, ZIP code 52340 in Tiffin, IA is characterized as upper-middle-income, highly educated, a relatively young community, and predominantly owner-occupied. With 5,695 residents, a median household income of $105,517, and a median home value of $317,900, it offers a clear picture of life in this part of Iowa.