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Neighborhood report

Johnston, IA

Founded 1969Polk CountyElev. 253 m
Population
24,196
Median home
$346,200
Disaster risk
Relatively Moderate
Public schools
8
Sex offenders
0

Overview

About Johnston

Johnston is a city in Iowa with about 24,196 residents. Johnston was founded in 1969 and sits in Polk County. The median age is 38.4 and the median household income is $103,430. Homes carry a median value of $346,200, and about 72% of residents own where they live. White residents make up the largest share of the population (79.3%). Around 58% of adults hold a bachelor's degree or higher, and the typical commute runs about 19 minutes.

Source: U.S. Census Bureau, American Community Survey (5-year).

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Who lives here

Demographics

Population
24,196
Median age
38.4
Median household income
$103,430
Per-capita income
$56,641
Poverty rate
7.6%
High-school grad or higher
97.5%
Bachelor's degree or higher
57.9%
Unemployment
1.8%
Avg. commute
19.3 min
Work from home
14.5%
Residents by race & ethnicity
White79.3%
Hispanic or Latino2.1%
Black8.6%
Asian7.2%
Workforce by occupation
Management, business, science & arts59.7%
Sales & office17.5%
Service11.8%
Natural resources, construction & maintenance5.7%
Production, transportation & material moving5.3%

Source: U.S. Census Bureau, American Community Survey (5-year).

Housing

Property report

Median home value
$346,200
Median gross rent
$1,288/mo
Owner-occupied
72.3%
Median year built
2004
Households
9,552
Avg. household size
2.51

Area-level figures. Source: U.S. Census Bureau, ACS (5-year). Parcel-level records coming next.

Education

Schools

Schools: Above average

Johnston has 8 public schools — 5 elementary, 1 middle, 1 high.

Student proficiency · grade 8, 1 school
Reading83%
Math85%

% of students at or above proficient on state assessments.

Johnston Senior High SchoolHighGrades 10–12
Summit Middle SchoolMiddleGrades 6–7
Beaver Creek Elementary SchoolElementary
Henry A Wallace Elementary SchoolElementaryGrades -1–5
Horizon ElementaryElementary
Lawson Elementary SchoolElementary
Timber Ridge ElementaryElementary
Johnston Middle SchoolGrades 8–9

Public schools + grade-8 proficiency. Source: U.S. Dept. of Education (NCES directory + EDFacts assessments), via Urban Institute.

Safety

Crime

violent crime74% below national
Johnston102
Iowa280
United States386
↓ 20% lower than 2019
2019–2023
property crime64% below national
Johnston709
Iowa1,487
United States1,952
↓ 44% lower than 2019
2019–2023

Rate per 100,000 residents/year, Johnston Police Department, 2023. Source: FBI UCR/NIBRS (Crime Data Explorer).

Environment

Environmental hazards

Toxic-release sites and regulated facilities in and around Johnston.

Data source being added: U.S. EPA — Toxics Release Inventory (public). We show real, sourced figures only — never estimates.

Risk

Natural disaster risk

Relatively Moderate
Top hazards · Polk County
Strong windVery High
Cold waveRelatively High
DroughtRelatively High
HailRelatively High
Heat waveRelatively High
Ice stormRelatively High

County-level natural-hazard risk. Source: FEMA National Risk Index.

Context

Neighborhood info

Johnston is in Polk County — see county-wide risk, demographics, and registry.

Johnston was founded in 1969 and sits in Polk County. Elevation ~253 m.

Map of Johnston
Johnston, IA
Where Johnston is
Des MoinesCedar RapidsDavenportSiouxIowaAnkenyJohnston
Historic places

2 on the National Register of Historic Places.

Trier, Paul J. and Ida, HouseCamp Dodge Pool District
Notable people from Johnston
Chad CostelloSteve JamesJessica Pray
People searches in Johnston
Michael Smith (4)John Smith (3)James Smith (3)David Smith (3)Robert Smith (3)Michael Johnson (3)John Johnson (3)James Johnson (3)Michael Williams (2)William Smith (2)David Johnson (2)Robert Johnson (2)John Williams (2)Michael Brown (2)Michael Jones (2)James Williams (2)David Williams (2)John Brown (2)Robert Williams (2)John Jones (2)William Johnson (2)Mary SmithJames BrownJames Jones
Nearby cities
Grimes (4 mi)Urbandale (5 mi)Ankeny (7 mi)Clive (7 mi)Des Moines (10 mi)West Des Moines (10 mi)

Common questions

Johnston — frequently asked

What is the population of Johnston, Iowa?
Johnston has a population of about 24,196, according to the U.S. Census Bureau's American Community Survey (5-year).
What is the average home value in Johnston?
The median home value in Johnston is $346,200, and the median gross rent is $1,288/month (U.S. Census ACS).
Is Johnston safe? What is the crime rate?
Johnston Police Department reported a violent-crime rate of about 102 per 100,000 residents in 2023 — lower than the U.S. rate of 386. Source: FBI UCR/NIBRS.
What natural-disaster risks does Johnston face?
FEMA's National Risk Index rates Polk County as "Relatively Moderate" overall, with top hazards including strong wind, cold wave, drought.
How many schools are in Johnston?
Johnston has 8 public schools (5 elementary, 1 middle, 1 high). Source: U.S. Dept. of Education, NCES.
How many registered sex offenders are in Johnston?
Public registry data lists 0 registered sex offenders in or near Johnston. This is neighborhood-safety information from the public state registry.
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