20 / 100

Johnson County, IA

RANK #799 / 1001 NAT  ·  #9 / 11 IA  ·  POP 156,639

1YR FORECAST: +1.9%

5YR OUTLOOK: +23%

Our model projects Johnson County's housing market at +1.9% over the next year, underperforming most U.S. counties.

[01] Why Johnson County?

Johnson County, Iowa, stands out for its connection to Iowa City, home of the University of Iowa. The county, located in eastern Iowa, is part of the larger Iowa City metropolitan area and the Cedar Rapids-Iowa City Corridor. The landscape features rolling uplands, winding ridges, and ravines along the Iowa River, offering natural scenery and outdoor recreation opportunities at places like F.W. Kent Park and Lake Macbride State Park. Life in Johnson County is shaped by its educational institutions and healthcare providers, which are major employers. The area attracts a diverse population, including families and those seeking educational and career opportunities. The economy is driven by sectors such as education, health, and agriculture, with a focus on corn and soybean production. Recent economic development efforts in Johnson County emphasize supporting local entrepreneurship, improving infrastructure, and expanding broadband access, alongside initiatives to promote sustainability and conservation.

MARKET PROFILE

Educated Suburban Growth

Johnson County is one of 110 U.S. counties in this market profile — weaker than typical on the BoomTown Index. Within this cohort, its recent home-price change of +4.1% runs above the profile's typical +2.4%.

See all 110 Educated Suburban Growth counties →

[02] Market Snapshot

Housing Ratio
8.5x

Overvalued relative to economy

Home Prices
+4.1%

Outpacing national median

Climate & Terrain
-2.6

Below-average climate & terrain

Price/Rent
19x

Above national median (15x)

Housing looks overvalued at 8.5x — home prices are high relative to local economic output. The typical U.S. county is 4–6x.

[03] Top Employers

  1. 1
    University of Iowa Education
    10,000+
  2. 2
    University of Iowa Hospitals and Clinics Healthcare
    5,000+
  3. 3
    Iowa City Community School District Education
    1,000+
  4. 4
    Veterans Health Administration Healthcare
  5. 5
    Mercy Iowa City Healthcare
  6. 6
    ACT, Inc. Education
  7. 7
    Pearson Educational Measurement Education
  8. 8
    Hy-Vee Retail
  9. 9
    City of Iowa City Government
  10. 10
    Systems Unlimited Other
    500+

Estimated local headcount ranges. Larger employers shown as floor + "+"; smaller employers show exact counts where reported.

[04] Home Value Growth vs National

Johnson County U.S. National

Bars show trailing 12-month growth. The dashed Forecast bars are the model's next-12-month projection; the whisker marks the ±1% range (cooling–accelerating).

The Numbers

DEMOGRAPHICS
Population
156,639
+1.14% YoY
Median Household Income
$74,935
Median Home Value
$308,600
+4.09% 12mo
Median Rent
$1,122
Average Annual Pay
$66,508
+3.3% YoY
Employment
85,594
+2.2% YoY
Income-to-Home-Value
0.2428
Near national average
Migration Inflow
6.26%
of pop. from another state
Bachelor's Degree+
55.2%
of residents (national avg: 33%)

Market Activity

REAL ESTATE
Median Sale Price
$342,500
Days on Market
36
Active market
Months of Supply
2.2
Seller's market
Sale-to-List Ratio
98.9%
Near asking price
Sold Above List
21.6%
Listings w/ Price Drops
14.4%
Building Permits (2025)
1,241
Single-Family Permits
513

Source: Redfin · Census BPS — Browse sales on Redfin →

[05] Crime & Safety

A
SAFETY
GRADE
Homicide Rate
1.4
per 100K · nat avg 6.3
Firearm Fatalities
5.9
per 100K · nat avg 14.8
Injury Deaths
49.3
per 100K · nat avg 76.3
vs National Average
Well below national avg
based on homicide rate

Source: CDC/NCHS vital statistics via County Health Rankings (2020–2022 avg). Rates per 100,000 population. Grade based on homicide rate relative to national average (~6.3). Learn more →

[06] Air Quality

B-
AIR QUALITY
GRADE
Median AQI (3yr)
49.7
Good
Good Air Days
49%
538 of 1,094 days
Unhealthy+ Days (3yr)
9
Includes 1 Very Unhealthy
Primary Pollutant
PM2.5
Fine particulate matter
Yearly Trend
2021
52
2022
44
2023
53
Median AQI · lower is better

Source: EPA Air Quality System (2021–2023). Grade based on 3-year average median AQI. Learn about AQI →

[07] Capital Investment

$400M
TOTAL
PROJECT AMOUNT STATUS
MidAmerican Energy Solar Triangle Project
MidAmerican Energy
$150M Proposed
Solon Wastewater Treatment Plant
City of Solon
$50M Under Construction
Replay Iowa Project (Iowa City)
Unknown
$50M Under Construction
Alpla, Inc. Learning and Development Facility (Iowa City)
Alpla, Inc.
$50M Under Construction
CIVCO Medical Solutions Expansion (Coralville)
CIVCO Medical Solutions
$50M Under Construction
North Park Road and Highway 6 Urbanization (Tiffin)
Unknown
$50M Under Construction

Source: public records, news, corporate announcements. Amounts are estimates where noted.

[08] Score Breakdown

Population Growth +1.1% 70 percentile
Income Growth +0.3% 9 percentile
Vacancy Rate 1.5% 16 percentile
Home Price Change +4.1% 78 percentile
Rent Growth +5.0% 78 percentile
Price/Rent 19x 22 percentile

Bars show percentile rank among all 1001 counties.

[09] Frequently Asked Questions

Is Johnson County, IA a good place to move to?

At 20/100, Johnson County faces headwinds that place it in the lower third of the 1001 counties we track. Median income of $74,935 combined with job growth of +2.2% suggests the local economy is struggling to keep pace with national trends.

Is Johnson County affordable?

Johnson County leans toward the expensive side. A median home value of $308,600 against an income-to-home-value ratio of 0.24 means housing eats a bigger share of local earnings than the national norm. Renters face $1,122/month on average.

Is Johnson County growing or shrinking?

Johnson County is growing on multiple fronts. Population is up +1.1% year-over-year while employers added jobs at a +2.2% clip — and home values reflect that momentum, rising +4.1% over the past 12 months.

Are people moving to Johnson County?

In significant numbers — 6.26% of Johnson County's current population relocated from another state, well above the national norm. That level of in-migration usually signals a county where jobs, affordability, or quality of life are pulling people in from elsewhere.

[10] Similar Counties by Size & Score

Polk County, IA 26 Black Hawk County, IA 14 Dallas County, IA 12 Story County, IA 35 Dubuque County, IA 42 Pottawattamie County, IA 51 Sarpy County, NE 20 Frederick County, VA 20