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County tax profile · 2026 · Census ACS + IRS data

Property Tax & Income in Decatur County, Tennessee

Decatur County has an effective property tax rate of 0.46%. On the median home value of $139,600, that's roughly $644 per year. Median household income is $45,375.

Effective Property Tax Rate1
0.46%
median tax $644 ÷ median home $139,600
Median Home Value1
$139,600
owner-occupied
Median Household Income1
$45,375
per-capita $26,884
Est. Annual Tax on Median Home1
$644
at 0.46% effective rate

What you'll pay, at a glance

Property taxes are the largest local tax most homeowners pay. The effective rate measures the real tax bill as a share of home value — a more useful number than the nominal “mill rate,” because assessment practices vary county to county.

MetricDecatur CountyTennessee (state context)
Effective property tax rate10.46%0.47%
Median home value1$139,600—
State income tax3No state income taxNo state income tax
State sales tax39.61% combined9.61% combined

How this is calculated

The effective property tax rate is the median real-estate tax bill divided by the median home value — both for owner-occupied homes, from the U.S. Census Bureau's American Community Survey (ACS 5-year estimates)1. Median income is also from the ACS1. Federal and state income-tax figures use IRS2 and Tax Foundation3 data.

About Decatur County, TN

Decatur County’s effective property tax rate of 0.461% sits just below Tennessee’s statewide median of 0.467%, placing it 52nd among the state’s 95 counties. Against the national median of 0.794%, the difference is far wider — owners here pay less than two-thirds the national rate. A median home value of $139,600 produces an annual tax bill of about $644, a figure shaped by both the low rate and the county’s housing prices. Household income averages $45,375, with per-capita income at $26,884. Parsons, the largest of the county’s communities alongside Decaturville and Bath Springs, anchors much of this housing stock. The rate itself signals a county that keeps property taxes near the middle of Tennessee’s pack while landing well below what most American homeowners face.

Frequently asked questions

What is the property tax rate in Decatur County, TN?
The effective rate is 0.46% — meaning the median tax bill equals about 0.46% of the median home value.
How much are property taxes on a median home?
On the median home ($139,600), the estimated annual bill is about $644.
Is Decatur County's rate high or low?
Compare it to the state median of 0.47% and the national average near 1.1%.
How does the effective rate differ from my mill rate?
A mill rate is the nominal levy per $1,000 of assessed value. The effective rate reflects what you actually pay after exemptions and assessments — it's the median tax bill as a share of median home value, so it better predicts your real cost.
Will a reassessment raise my tax bill?
Not necessarily. If your home's assessed value rises, your bill can go up, but only if the mill rate and exemptions stay flat. Contact the Decatur County assessor's office to review your current assessment.
Can I appeal my property tax assessment?
Yes. Most counties allow an appeal when you believe the assessed value exceeds the market value. File with the Decatur County assessor within the local deadline, typically with comparable sales as evidence.
Sources
[1] U.S. Census Bureau — ACS 5-Year (2023) — Median home value (B25077), median real-estate taxes (B25103), median household income (B19013), per-capita income (B19301).
[2] IRS — Statistics of Income — County income, AGI, and real-estate taxes paid.
[3] Tax Foundation — State income, sales, corporate, and estate/inheritance tax rates.