City

Johnston, IA

1 ZIP code  ·  Polk County  ·  Iowa

👥24,388Population
💰$103,316Median HH Income▲ 35% above avg
🎂38.5Median Age
🏠$347,100Median Home Value▲ 25% above avg
🎓65.8%College Grads▲ 70% above avg
📊1.7%Unemployment▼ 65% below avg
People & Population (ACS 2023 — weighted avg)
♂ Male 49.1% Female 50.9% ♀

Race & Ethnicity

White: 79.5%Hispanic: 2.1%Black: 8.5%Asian: 7.1%Other: 2.7%Race
White79.5%
Hispanic2.1%
Black8.5%
Asian7.1%
Other2.7%

Age Breakdown

Under 5
6%
5–17
23%
18–24
6%
25–44
25%
45–64
24%
65+
7%

Key Indicators

Median Age38.5 yrs
Avg HH Size2.50
Below Poverty7.6% ▼ 25% below avg
College Grads65.8% ▲ 70% above avg
Unemployment1.7% ▼ 65% below avg
No HS Diploma71 (0.5%)
HS Graduate2,244 (14.7%)
Some College993 (6.5%)
Associates1,900 (12.5%)
Bachelors1,313 (8.6%)
Graduate Degree8,701 (57.2%)

Education

No HS: 0.5%HS Grad: 14.7%Some College: 6.5%Associates: 12.5%Bachelors: 8.6%Graduate: 57.2%Edu
No HS0.5%
HS Grad14.7%
Some College6.5%
Associates12.5%
Bachelors8.6%
Graduate57.2%
Housing & Income

Housing Tenure

Owner: 72.3%Renter: 27.7%Tenure
Owner72.3%
Renter27.7%

Home Value Distribution

Under $50k
1%
$50k–$100k
1%
$100k–$150k
1%
$150k–$200k
3%
$200k–$300k
33%
$300k–$500k
44%
Over $500k
18%

Financials

Median HH Income$103,316 ▲ 35% above avg
Median Home Value$347,100 ▲ 25% above avg
Home/Income Ratio3.4x (nat avg ~3.5x)
Median Rent$1,284/mo
Total Housing Units9,975
Vacant Units316

Income Distribution

Under $25k
7%
$25k–$50k
14%
$50k–$75k
14%
$75k–$100k
13%
$100k–$150k
16%
$150k–$200k
14%
Over $200k
23%
Employment & Commute

How People Get to Work

Drove Alone
84%
Public Transit
0%
Walked
1%
Work From Home
15%

Commute Time

Under 15 min
33%
15–30 min
50%
30–45 min
11%
Over 45 min
5%
Housing Stock

Year Built

Before 1940
0%
1940s–1950s
1%
1960s–1970s
7%
1980s–1990s
29%
2000+
62%
About Johnston, IA

Johnston is a city in Iowa, located in Polk County. The city spans 1 ZIP code and is home to approximately 24,388 residents. It is a middle-aged city, with a median age of 38.5 years.

Economically, Johnston is a upper-middle-income community. The median household income of $103,316 is above the national average. Approximately 7.6% of residents live below the poverty line. The unemployment rate is 1.7%, well below the national average.

The real estate market in Johnston is a mid-range housing market. Median home values stand at $347,100, which is above the national average. Renters typically pay around $1,284 per month. Homeownership is high at 72.3%, typical of suburban and family-oriented communities.

The population of Johnston is highly educated. 65.8% of adults hold a bachelor's degree or higher — significantly above the national average. The community is primarily White (79.47%).

Johnston, IA offers residents above-average earning potential within Iowa.

ZIP Codes in Johnston
ZIPPopulationMedian IncomeMedian HomeMedian RentUnemp.CollegeOwner Occ.
50131 24,388 $103,316 $347,100 $1,284 1.7% 65.8% 72.3%