Census place 1939765

Johnston

A Census profile of the people, homes, and daily patterns that shape this place.

Official Census name: Johnston city

Relocation snapshot

What stands out in Johnston.

According to the 2025 estimate, Johnston has a population of 25,065 and 1,286 residents per square mile. Of the six relocation measures evaluated, the three largest relative differences from the median among 41 covered Iowa places are: median home value is $369,100, above the comparison median of $219,200; median household income is $106,551, above the comparison median of $69,222; and median gross rent is $1,338, above the comparison median of $978. These unweighted medians compare covered Census places and are not statewide estimates.

median home value
$369,100
Above the comparison median of $219,200
median household income
$106,551
Above the comparison median of $69,222
median gross rent
$1,338
Above the comparison median of $978

National context

Follow the metrics.

Compare Johnston's values with other covered Census places. Rankings are descriptive, not recommendations.

At a glance

A city in numbers.

Population
25,065
2025 estimate
Annual change
+0.5%
Population estimate
Density
1,286/sq mi
19.5 sq mi land area
Median age
37.4 years
ACS 5-year estimate

Living here

The everyday equation.

Households, homes, education, and the time it takes to get around.

Median household income
$106,551
Median home value
$369,100
Median gross rent
$1,338
Bachelor’s degree or higher
57.8%
Typical commute
19.7 min
Drive-alone commute
78.9%
Public transit commute
0%
Walked to work
0.9%

Housing

Who rents, and what it takes.

Renter share and rent burden help describe the housing choices visible in this place.

Renter-occupied homes
29.2%
Renters paying 30%+ of income
46.2%

Work

How the workday lands.

Employment status and working-from-home share add context to income and commuting patterns.

Employed residents 16+
68.6%
Unemployed residents 16+
1.5%
Working from home
14%

Community

The everyday infrastructure.

Access, mobility, housing growth, and household composition add another layer to a place's day-to-day picture.

Households with broadband
93.2%
Homes built 2020+
3.3%
Households without a vehicle
2.5%
Households with children
38.2%
Residents with a disability
7.2%
Residents without insurance
1.7%

Environmental context

A record of declared events.

FEMA declarations for Polk County provide historical context, not a forecast or a property-level risk assessment.

Environmental declarations since 2000
10
Severe Storm declarations
7
Flood declarations
1
Hurricane declarations
1

Climate normals

The long view of weather.

Thirty-year averages, not a forecast. Temperature and precipitation describe the typical conditions recorded from 1991 through 2020.

Representative station: DES MOINES INTL AP (12 mi from place center)
Average high
60.5°F
Average low
41.3°F
Annual rainfall
36.5"
Annual snowfall
36.5"

Month by month

A year in Johnston.

Typical high and low °F
0°F20°F40°F60°F80°F100°F
JFMAMJJASOND
Typical precipitation inches

Data vintage

Population is from the 2025 Population Estimates Program. Household, housing, education, and commute data are from the 2020-2024 American Community Survey 5-year release. Disaster declarations are from FEMA's OpenFEMA dataset and are refreshed with this edition.

Similar places

More places to consider.

Selected by the closest mix of population, density, median home value, and average annual high.

Avon, OH

Population, housing, work, and travel data for this Census place.

Population
25,611
Median home
$395,900

Yorkville, IL

Population, housing, work, and travel data for this Census place.

Population
26,730
Median home
$335,300

Avon, IN

Population, housing, work, and travel data for this Census place.

Population
25,350
Median home
$323,800

Keep exploring

Compare Johnston with Avon