County

Johnson County, IA

14 ZIP codes  ·  9 cities  ·  Iowa

👥152,507Population
💰$75,663Median HH Income≈ Avg
🎂31.7Median Age
🏠$291,633Median Home Value≈ Avg
🎓62.0%College Grads▲ 60% above avg
📊3.7%Unemployment▼ 24% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.6% Female 50.4% ♀

Race & Ethnicity

White: 75.2%Hispanic: 6.8%Black: 7.7%Asian: 6%Other: 4%Race
White75.2%
Hispanic6.8%
Black7.7%
Asian6.0%
Other4.0%

Age Breakdown

Under 5
5%
5–17
14%
18–24
21%
25–44
27%
45–64
20%
65+
6%

Key Indicators

Median Age31.7 yrs
Avg HH Size2.35
Below Poverty16.1% ▲ 61% above avg
College Grads62.0% ▲ 60% above avg
Unemployment3.7% ▼ 24% below avg
No HS Diploma472 (0.6%)
HS Graduate12,588 (15%)
Some College7,092 (8.5%)
Associates10,752 (12.8%)
Bachelors7,912 (9.4%)
Graduate Degree45,089 (53.7%)

Education

No HS: 0.6%HS Grad: 15%Some College: 8.5%Associates: 12.8%Bachelors: 9.4%Graduate: 53.7%Edu
No HS0.6%
HS Grad15.0%
Some College8.5%
Associates12.8%
Bachelors9.4%
Graduate53.7%
Housing & Income

Housing Tenure

Owner: 57.6%Renter: 42.4%Tenure
Owner57.6%
Renter42.4%

Home Value Distribution

Under $50k
5%
$50k–$100k
3%
$100k–$150k
6%
$150k–$200k
9%
$200k–$300k
31%
$300k–$500k
33%
Over $500k
15%

Financials

Median HH Income$75,663 ≈ Avg
Median Home Value$291,632 ≈ Avg
Home/Income Ratio3.9x (nat avg ~3.5x)
Median Rent$1,117/mo
Total Housing Units66,176
Vacant Units4,821

Income Distribution

Under $25k
17%
$25k–$50k
15%
$50k–$75k
16%
$75k–$100k
12%
$100k–$150k
18%
$150k–$200k
9%
Over $200k
12%
Employment & Commute

How People Get to Work

Drove Alone
73%
Public Transit
5%
Walked
9%
Work From Home
14%

Commute Time

Under 15 min
38%
15–30 min
43%
30–45 min
14%
Over 45 min
6%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
7%
1960s–1970s
11%
1980s–1990s
19%
2000+
62%
About Johnson County, IA

Johnson County is located in Iowa and encompasses 14 ZIP codes spanning 9 cities and communities. The county has an estimated population of 152,507 residents. With a median age of 31.67, it is a relatively young county.

Johnson County has a middle-income economic profile. The median household income of $75,662 is near the national average. Unemployment stands at 3.7%, below the national average. The poverty rate of 16.1% is significantly above the national average, indicating economic challenges.

Housing in Johnson County is a mid-range housing market, with a median home value of $291,632 — near the national average. Monthly median rent is approximately $1,116.

The residents of Johnson County are primarily White (75.22%). Educational attainment is highly educated — 62.0% of adults hold a bachelor's degree or higher, significantly above the national average.

Johnson County, IA is a middle-income area in Iowa. The 14 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in Johnson County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
52241 Coralville 22,846 $66,508 $286,000 $1,021 2.5% 62.9%
52235 Hills 892 $81,875 $217,800 $1,179 1.4% 35.3%
52240 Iowa City 36,046 $55,189 $241,100 $1,065 4.8% 55.3%
52245 Iowa City 22,765 $75,876 $293,300 $1,215 2.9% 72.2%
52246 Iowa City 21,944 $55,088 $327,100 $1,049 3.7% 71.6%
52755 Lone Tree 2,210 $98,125 $219,800 $960 2.6% 35.9%
52317 North Liberty 22,392 $108,156 $314,700 $1,221 2.8% 65.7%
52322 Oxford 1,997 $59,688 $249,100 $892 12.9% 43.1%
52333 Solon 7,443 $113,917 $347,800 $1,202 4.7% 57.6%
52338 Swisher 3,865 $124,357 $384,600 $1,067 3.0% 55.1%
52340 Tiffin 5,695 $105,517 $317,900 $1,336 0.5% 74.0%