Marion County
Large central metro
FIPS 18097
Profiled Cities (1)
People
992.2K
Population
Census 2025 Est.2505.6/sq mi
Density
Census 2025 Est.1.6%
Growth 2020–25
Census 2020–2025$66K
Median HH Income
ACS 2024 5-yr34.4
Median Age
ACS 2024 5-yr88.1%
Bachelor's+
ACS 2024 5-yr15.3%
Poverty Rate
SAIPE 20248.8%
Uninsured
ACS 2024 5-yr56.5%
Owner-Occupied
ACS 2024 5-yr13.9%
Disability
ACS 2024 5-yr13.8%
Hispanic
ACS 2024 5-yr49.5%
Non-Hisp. White
ACS 2024 5-yr27.1%
Non-Hisp. Black
ACS 2024 5-yrMigration
IRS Statistics of Income county migration. Measures tax filer movement, not Census population counts.
41.4K
Inflow (people)
IRS SOI 2022–2349K
Outflow (people)
IRS SOI 2022–23-7,635
Net Migration
IRS SOI 2022–23Economy
4.2%
Unemployment
BLS LAUS 2025512.9K
Labor Force
BLS LAUS 2025$75K
Per Capita Income
BEA 2024$135.6B
County GDP
BEA 202424.2K
Business Establishments
CBP 2023544.1K
Employees
CBP 2023$38.0B
Annual Payroll
CBP 2023Housing
$224K
Median Home Value
ACS 2024 5-yr$1K
Median Gross Rent
ACS 2024 5-yr40.7K
Owner HH w/ Housing Problems
ACS 2024 5-yr84.9K
Renter HH w/ Housing Problems
ACS 2024 5-yrYes
Housing Stress (USDA)
ACS 2024 5-yrHealth
83rd pctile
Social Vulnerability
CDC SVI 202238.4%
Adult Obesity
CDC PLACES 202512.8%
Diabetes
CDC PLACES 202517.8%
Poor Mental Health
CDC PLACES 202515.2%
Current Smoking
CDC PLACES 202580.3/100K
Primary Care Physicians
HRSA AHRF 2024–254.7/1K
Hospital Beds
HRSA AHRF 2024–25660.1/1K bene
Medicare ER Visits
CMS 2023Environment & Risk
97.5
FEMA Risk Score
FEMA NRI Dec 2025Relatively High
Risk Rating
FEMA NRI Dec 2025Relatively Moderate
Resilience Rating
FEMA NRI Dec 2025$284.8M
Expected Annual Loss
FEMA NRI Dec 20259.79
PM2.5 (EPA EJScreen)
EPA EJScreen 20240.27
Diesel PM
EPA EJScreen 20241.6%
EJ Demographic Index
EPA EJScreen 2024Broadband & Food Access
1.0%
Fixed Broadband 100/20 Mbps
FCC 20241.0%
Mobile 5G Coverage
FCC 202432.6%
Low Food Access (pop)
USDA FEA 20192.5%
No-Car Low Food Access (HH)
USDA FEA 2019Land & Climate
396.0 sq mi
Land Area
TIGER 202452.5°F
Avg Temp (1991–2020)
NOAA 1991–202062.2°F
Avg Max Temp
NOAA 1991–202042.7°F
Avg Min Temp
NOAA 1991–202043.4"
Annual Precip
NOAA 1991–2020County Character
Metro - Counties in metro areas of 1 million population or more
Rural-Urban Class (RUCC)
TIGER 2024Large central metro
NCHS Urban-Rural Class
TIGER 2024Not industry-dependent
Industry Dependence (USDA)
TIGER 2024None
Typology Flags
TIGER 2024