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Decatur County, Tennessee

Decatur County land: flood and parcels

14,166 parcels

On the county tax roll

  • Acres on the roll207,443
  • In a FEMA flood zone26%special flood hazard area

Free account: 25 parcel cards a day on the map, with sale history, road access and elevation. Get started free

No zoning layer for Decatur County yet. Zoning here is set town by town.

Around Decatur County

Towns in Decatur County

Flood zones and wetlands

  • FEMA flood zone (A or V)26%
  • Parcels at least 25% wetland4.2%

Recorded flood claims in Decatur County

111 insured flood claims were recorded in Decatur County from 1978 to Sep 2026; fewer than 10 were on buildings rated outside the mapped flood zone (zone X, B or C). The busiest year was 2019, with 80 claims. FEMA paid $1.8 million on them in total.

YearsClaims
1978–79Fewer than 10
1980–89Fewer than 10
1990–99Fewer than 10
2000–0914
2010–1983
2020–2614

Area statistics for buildings with NFIP flood insurance, not any one parcel: a lot that never had an insured building has no claims to count. OpenFEMA NFIP Redacted Claims v3, as of Sep 2026.

What flood insurance costs in Decatur County

What NFIP policyholders in Decatur County pay a year for a single-family home, by flood zone: the middle half of premiums on policies that took effect Sep 2025–Sep 2026. It is what insured homes here pay, not a quote for any one building.

Flood zonePoliciesMiddle halfFull-risk median
A zones (special flood hazard area)122$500–$860$680
X zone (outside the mapped flood zone)Fewer than 10Not shownNot shown

Full-risk premium: the median of FEMA's own full-risk premium for the same policies (Risk Rating 2.0). A discounted policy rises toward it a step each year, within the law's cap on yearly increases. Zones are the flood zone each policy is rated in. OpenFEMA NFIP Redacted Policies v3, as of Sep 2026.

This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data.

Farmland rent in Decatur County

Cropland in Decatur County rents for about $75 an acre a year (USDA, 2026).

Cropland rent
$75 an acrenon-irrigated, 2026; $59 in 2022
Pasture rent
$38 an acre2026; $25 in 2021

No rent-to-price figure for Tennessee yet.

Rent: USDA NASS county cash rents survey, 2026 (released August 21, 2026), public domain. Farmland rent in every Tennessee county →

People and new homes in Decatur County

  • Population11,820July 2025 estimate, +3.4% since 2020
  • Median household income$45,3752020–2024 average, ±$5,287
  • New homes permitted72025, 7 single-family; 3 in 2021
  • Permitted so far in 20266Jan–Aug, against 8 a year earlier

U.S. Census Bureau, Population Estimates Program, Vintage 2025 (May 2026); U.S. Census Bureau, American Community Survey 2020-2024 5-year (B19013) (Jan 2026); U.S. Census Bureau, Building Permits Survey (Sep 2026).

Tennessee land market report

Land in Decatur County by useLand use on the county roll
Land classParcelsShare
Building on record6,88649%
Other or not coded4,48232%
Farm and timber2,35317%
Institutional4453.1%

2,353 farm and timber parcels cover 176,235 acres. County tax roll 2026 (pulled Oct 2026); land class read from the roll's land-use and building fields.

Typical lot sizeThe typical lot, from the roll

The median parcel in Decatur County is 1.00 acre (14,166 parcels with a size).

Acres from the county roll, or from the parcel's own outline where the roll's figure is off by more than three times. Condominium units that share one point (each carrying the whole complex's acres) are left out of the lot sizes.

Land parcels in Decatur CountyFarm and timber parcels to start with

Farm and timber parcels of an acre or more, each with its own page of public roll facts.

Questions about Decatur County landAnswers from the public records
How many parcels are in Decatur County, TN?

14,166 parcels on the 2026 Decatur County tax roll (pulled Oct 2026), covering 207,443 acres.

How much vacant land is in Decatur County, TN?

Decatur County's vacant-land class has not been through our aerial check yet, so we don't call any parcel here vacant land.

What is the typical lot size in Decatur County?

The median parcel is 1.00 acre, from 14,166 parcels with a recorded size.

How much of Decatur County is in a flood zone?

26% of parcels are in a FEMA special flood hazard area (National Flood Hazard Layer, as of Sep 2026). Check each parcel's own flood line before you buy.

Are there wetlands in Decatur County?

4.2% of parcels are a quarter or more wetland on the USFWS National Wetlands Inventory, a mapping guide, not a legal delineation.

Are there land prices for Decatur County?

No land prices for Decatur County yet. Area prices print only where Tennessee's own price test passed for the county, and it has not for Decatur County.

How many people live in Decatur County?

About 11,820 (Census estimate for July 1, 2025), +3.4% since 2020.

How many new homes are being built in Decatur County?

Building permits authorized 7 new housing units in 2025 and 6 from January to Aug 2026 (against 8 a year earlier) (Census Building Permits Survey).

Where does this data come from?

Parcels: County assessor and GIS parcel files (Davidson, Hamilton, Williamson, Wilson, Robertson). Flood: FEMA National Flood Hazard Layer. Wetlands: USFWS National Wetlands Inventory. Towns: U.S. Census places. Every figure is counted from those files on our map.

About these numbersSources, dates and how these figures are built

What Groundwork can price in Decatur County

Facts only: no price estimate on any parcel here.

Sources

Parcels: County assessor and GIS parcel files (Davidson, Hamilton, Williamson, Wilson, Robertson) (2026 roll, pulled Oct 2026); flood: FEMA National Flood Hazard Layer (as of Sep 2026); wetlands: USFWS National Wetlands Inventory (as of Oct 2026); sales: the county's own file, through Sep 2026; counted on our map built Oct 2026.

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