Johnson County
Large fringe metro
FIPS 20091
Profiled Cities (2)
People
636.9K
Population
Census 2025 Est.1344.8/sq mi
Density
Census 2025 Est.4.2%
Growth 2020–25
Census 2020–2025$109K
Median HH Income
ACS 2024 5-yr38.6
Median Age
ACS 2024 5-yr96.6%
Bachelor's+
ACS 2024 5-yr5.4%
Poverty Rate
SAIPE 20244.9%
Uninsured
ACS 2024 5-yr68.5%
Owner-Occupied
ACS 2024 5-yr9.0%
Disability
ACS 2024 5-yr9.3%
Hispanic
ACS 2024 5-yr76.1%
Non-Hisp. White
ACS 2024 5-yr4.8%
Non-Hisp. Black
ACS 2024 5-yrMigration
IRS Statistics of Income county migration. Measures tax filer movement, not Census population counts.
27.4K
Inflow (people)
IRS SOI 2022–2328.1K
Outflow (people)
IRS SOI 2022–23-716
Net Migration
IRS SOI 2022–23Economy
3.3%
Unemployment
BLS LAUS 2025360.3K
Labor Force
BLS LAUS 2025$95K
Per Capita Income
BEA 2024$67.0B
County GDP
BEA 202419K
Business Establishments
CBP 2023352.2K
Employees
CBP 2023$24.1B
Annual Payroll
CBP 2023Housing
$391K
Median Home Value
ACS 2024 5-yr$1K
Median Gross Rent
ACS 2024 5-yr25.8K
Owner HH w/ Housing Problems
ACS 2024 5-yr29.6K
Renter HH w/ Housing Problems
ACS 2024 5-yrNo
Housing Stress (USDA)
ACS 2024 5-yrHealth
6th pctile
Social Vulnerability
CDC SVI 202230.9%
Adult Obesity
CDC PLACES 20258.3%
Diabetes
CDC PLACES 202513.7%
Poor Mental Health
CDC PLACES 20259.7%
Current Smoking
CDC PLACES 2025118.3/100K
Primary Care Physicians
HRSA AHRF 2024–253.0/1K
Hospital Beds
HRSA AHRF 2024–25552.4/1K bene
Medicare ER Visits
CMS 2023Environment & Risk
94.8
FEMA Risk Score
FEMA NRI Dec 2025Relatively High
Risk Rating
FEMA NRI Dec 2025Relatively High
Resilience Rating
FEMA NRI Dec 2025$256.8M
Expected Annual Loss
FEMA NRI Dec 20258.47
PM2.5 (EPA EJScreen)
EPA EJScreen 20240.19
Diesel PM
EPA EJScreen 20240.7%
EJ Demographic Index
EPA EJScreen 2024Broadband & Food Access
1.0%
Fixed Broadband 100/20 Mbps
FCC 20241.0%
Mobile 5G Coverage
FCC 202419.4%
Low Food Access (pop)
USDA FEA 20190.6%
No-Car Low Food Access (HH)
USDA FEA 2019Land & Climate
473.6 sq mi
Land Area
TIGER 202455.2°F
Avg Temp (1991–2020)
NOAA 1991–202065.4°F
Avg Max Temp
NOAA 1991–202044.9°F
Avg Min Temp
NOAA 1991–202039.5"
Annual Precip
NOAA 1991–2020County Character
Metro - Counties in metro areas of 1 million population or more
Rural-Urban Class (RUCC)
TIGER 2024Large fringe metro
NCHS Urban-Rural Class
TIGER 2024Not industry-dependent
Industry Dependence (USDA)
TIGER 2024None
Typology Flags
TIGER 2024