Cost of homeownership in Johnson County, Tennessee
Real dollar cost of ownership, rent-vs-buy analysis, and flood risk, backed by Census ACS, FEMA, and FHFA data. Population: 17,982.
Total annual ownership cost
Breakdown of what owning a typical home in Johnson County costs each year.
- Property taxes$648
- Insurance estimate$1,500
- Utilities / energy$1,423
- Maintenance (1% of value)$1,564
- Total$5,135/yr · $428/mo
Insurance and energy figures typically vary by property. Adjust in the calculators for a personalized estimate.
Rent vs. buy in Johnson County
Pre-filled with local median home value, median gross rent (Census ACS / HUD FMR), and current FRED rate.
Flood risk
Historical signal from FEMA National Flood Insurance Program.
Historical claims do not capture uninsured properties. A low score does not eliminate flood risk. FEMA flood-zone maps at msc.fema.gov list parcel-level designations.
Full flood-risk breakdown →Home price trend in Tennessee
FHFA House Price Index, quarterly.
Property tax below state average.
Share of units owner-occupied (Census ACS).
Census ACS 5-year estimate.
Housing cost burden in Johnson County
Share of households paying 30% or more of income on housing (HUD CHAS 2017-2021). HUD does not publish county-level CHAS rollups through the public API, so Tennessee state data is shown for local context alongside the US average.
Affordability by income bracket
Monthly 30% housing budget at each income vs the median owner cost in Johnson County. Bars above the dashed line can absorb this county's typical ownership cost.
HUD area median income (4-person household) for Tennessee: $92,300. Income limits define 80% AMI at $73,850 and 50% AMI at $46,150.
Frequently asked questions
How much does it cost to own a home in Johnson County?
Based on Census ACS, typical total annual cost in Johnson County is around $5,135 ($428 per month), covering property tax, insurance estimate, utilities, and 1% maintenance. Your actual cost varies by home age, size, and location within the county.
What is the property tax in Johnson County?
Median annual property tax is $648 on the county's median home value of $156,400 (Census ACS).
Is it cheaper to rent or buy in Johnson County?
Annual ownership cost is roughly 34% lower than annual rent at the county's median. Use the calculator below to model your specific situation.
What is the flood risk in Johnson County?
moderate historical flood-risk score from FEMA NFIP: 21 claims, average claim $58,009.
Data sources
- Census ACS 5-year: FIPS 47091
- FEMA NFIP: flood claims aggregation
- HUD Fair Market Rents
- HUD CHAS: cost-burden rollups
- HUD Income Limits
- FHFA HPI
- FRED MORTGAGE30US: as of 2026-04-23