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Buying land in Trousdale County, Tennessee: what to check

Trousdale County covers 114 square miles of land and 2 of water in Tennessee, with about 12,159 residents in 2024 (up 4.7% since 2020). The 2020 Census counted 100% of its land as rural and 0% of residents as living in urban areas. Farms operate 54% of the county's land. Below: how much of Trousdale County floods, what its soils allow, what farmland is worth and how often it's in drought, from free public data with every source linked.

Check a location in Trousdale CountySee a sample report

Trousdale County at a glance

In the 100-year floodplain

10%

Above the state's county median (7.2%)

FEMA National Risk Index

Hydric (wetland-type) soils

1%

Below the state's county median (1.1%)

USDA NRCS Web Soil Survey (SSURGO)

Soils very limited for septic

93%

USDA NRCS Web Soil Survey (SSURGO)

Farm land value, 2022

$5,827/acre

Above the state's county median ($5,222)

USDA NASS, 2022 Census of Agriculture

Weeks in severe drought

4.6%

Share of weekly maps, 2021–2026

U.S. Drought Monitor county statistics

Land classed rural

100%

Census 2020 Census urban and rural classification

What to check before buying land in Trousdale County

Ordered by what Trousdale County's numbers point to. Every parcel differs, so treat this as where to look first.

  1. 1.Budget for a perc test and maybe an engineered septic

    USDA rates 93% of Trousdale County's mapped soils "very limited" for conventional septic absorption fields and 0% "not limited".

    Without city sewer you need a septic permit from the county or state health department. Make the offer contingent on a passing soil or perc test; mound and aerobic systems can cost several times a conventional one.

    Guide: Perc tests and septic systems

  2. 2.Put flood checks first in Trousdale County

    10% of the county's area is in the 1%-annual-chance (100-year) floodplain FEMA's National Risk Index uses for inland flooding; 11% of its mapped soils flood occasionally or frequently.

    Look up the FEMA flood zone at the pin, not the parcel's address. If any of the land is in zone A or V, price flood insurance before you offer, ask for an elevation certificate, and check whether the access road floods too.

    Guide: Flood zones before buying land

  3. 3.Check slope where you'd build and where the driveway goes

    33% of Trousdale County's mapped soils have an average slope over 15% (USDA SSURGO).

    Steep ground means grading, retaining walls, longer driveways and erosion control. Compare the slope at the house site and along the access route, not just the parcel average.

    Guide: Terrain and slope

  4. 4.Confirm legal road access and power

    The 2020 Census classified 100% of Trousdale County's land area as rural.

    Rural tracts are often sold without recorded access or a power line nearby. Get the title company to confirm a recorded easement or public road frontage, and ask the electric co-op what a line extension costs.

    Guide: Road access and landlocked land

  5. 5.Check wildfire exposure and insurance

    FEMA rates Trousdale County's wildfire risk very low, and 30% of the county's area is in the wildfire exposure zone the National Risk Index uses.

    Ask an insurer for a quote early; some carriers won't write new policies in high-hazard areas. Check access for fire trucks, nearby fire stations and the vegetation around the building site.

    Guide: Wildfire risk for rural land

  6. 6.Sanity-check the price per acre

    Farm real estate in Trousdale County averaged $5,827 an acre including buildings in the 2022 Census of Agriculture, and 20% of its mapped soils are prime or of statewide importance.

    Compare the asking price with recent sales of similar tracts, not the county average, which mixes cropland, pasture, timber and homesites. If an ag tax valuation applies, ask what the rollback taxes would be if you change the use.

    Guide: Land due diligence checklist

Flood zones, wetlands and water in Trousdale County

Area in the 1%-annual-chance (100-year) floodplain
10%, 28th highest of 95 in Tennessee FEMA National Risk Index
Mapped soils that flood occasionally or frequently
11% USDA NRCS Web Soil Survey (SSURGO)
Hydric soils (a federal wetland indicator)
1% USDA NRCS Web Soil Survey (SSURGO)
Poorly or very poorly drained soils
under 1% USDA NRCS Web Soil Survey (SSURGO)
Surface water (lakes, rivers, reservoirs)
2 sq mi Census 2024 Gazetteer Files
Drought on 2026-10-27
100% moderate or worse, 100% severe or worse U.S. Drought Monitor county statistics

The floodplain share is the area FEMA's National Risk Index counts as exposed to inland flooding, mostly mapped 100-year flood zones. It says how common flood-prone land is in Trousdale County, not whether a given parcel floods. For that, look up the zone at your exact point on the FEMA Flood Map Service Center or run the free check.

Soils and terrain

Prime farmland
20% USDA NRCS Web Soil Survey (SSURGO)
Farmland of statewide importance
0% USDA NRCS Web Soil Survey (SSURGO)
Average slope over 15%
33% USDA NRCS Web Soil Survey (SSURGO)
Very limited for septic absorption fields
93% USDA NRCS Web Soil Survey (SSURGO)
Not limited for septic absorption fields
0% USDA NRCS Web Soil Survey (SSURGO)

Shares of Trousdale County's soil-surveyed land (about 72,574 acres, open water excluded), using each map unit's dominant condition in USDA's SSURGO soil survey. Soils change within a few hundred feet, so the soil at your building site is what matters.

Farms and land use

Farms (2022)
293 USDA NASS, 2022 Census of Agriculture
Share of the county's land in farms
54% USDA NASS, 2022 Census of Agriculture
Average farm size
135 acres (median 64) USDA NASS, 2022 Census of Agriculture
Average value of land and buildings
$5,827 per acre, 34th highest of 95 in Tennessee USDA NASS, 2022 Census of Agriculture
Cropland
14,412 acres USDA NASS, 2022 Census of Agriculture
Pasture and rangeland
17,693 acres USDA NASS, 2022 Census of Agriculture
Woodland on farms
9,350 acres USDA NASS, 2022 Census of Agriculture
Irrigated land
39 acres USDA NASS, 2022 Census of Agriculture

Natural hazard ratings

FEMA's National Risk Index rates each hazard for Trousdale County relative to every other U.S. county. Overall risk: Very Low.

  • Strong windRelatively Low
  • TornadoRelatively Low
  • DroughtVery Low
  • EarthquakeVery Low
  • HailVery Low
  • HurricaneVery Low
  • Heat waveVery Low
  • River and inland floodingVery Low
  • LandslideVery Low
  • LightningVery Low
  • WildfireVery Low
  • Winter weatherVery Low

FEMA National Risk Index, December 2025

Questions about buying land in Trousdale County

How much of Trousdale County, TN is in a flood zone?

About 10% of Trousdale County's area is in the 1%-annual-chance (100-year) floodplain used by FEMA's National Risk Index (December 2025), 28th highest of 95 counties in Tennessee. Whether a given parcel is in a flood zone depends on its exact location, so check the FEMA map at your pin.

How much does land cost per acre in Trousdale County?

The 2022 Census of Agriculture put the average value of farm land and buildings in Trousdale County at $5,827 an acre, 34th highest of 95 counties in Tennessee (the median Tennessee county was $5,222). It's a self-reported average across farms, so small homesites and recreational tracts often sell for more per acre.

Will a septic system work on land in Trousdale County?

Often, but test first. USDA soil surveys rate 93% of Trousdale County's mapped soils very limited for conventional septic absorption fields, usually because of wetness, slow permeability, shallow rock or flooding. A perc or soil test on the parcel decides what system the health department will permit.

Is there good farmland in Trousdale County?

20% of Trousdale County's mapped soils are prime farmland, 0% are prime only if drained, irrigated or protected from flooding, and 0% are farmland of statewide importance (USDA SSURGO). The 2022 Census of Agriculture counted 293 farms averaging 135 acres.

How often is Trousdale County in drought?

Since 2021, at least half of the county was in severe drought or worse in 4.6% of weekly U.S. Drought Monitor maps, and in extreme drought in 0%. On 2026-10-27, 100% of the county was in moderate drought or worse.

Can I check a specific property in Trousdale County?

Yes. Enter the address or drop a pin anywhere in Trousdale County on the free check. It shows which checks return data at that exact point, and the full report costs $29: flood zone, slope, soils, wetlands, roads, power lines, wildfire and more, each with its source. It is a screen of public maps, not a survey, title search or perc test.

Check the parcel, not just the county

County numbers tell you what to look for. The free check looks at your exact point in Trousdale County: flood zone, slope, soils, wetlands, roads, power and more. The full report is $29.

Check a location in Trousdale County

What these numbers can't tell you

  • County shares describe Trousdale County as a whole; a parcel can be entirely in or out of a flood zone, wetland or poor soil.
  • It doesn't look at the whole parcel, its boundaries, title, easements, zoning or permits.
  • It isn't a survey, appraisal, elevation certificate, soil or perc test, or Phase I environmental site assessment.
  • It can't see local distribution power lines, driveways, legal access, wells or mineral rights.
  • Maps lag behind the ground, and distances are straight-line, not driving distance.

Sources and vintages

Summarized per county by our build script on 2026-10-31. County figures cover the whole county; checks on the report are at your point.