DeKalb County land: flood and parcels
18,299 parcels
On the county tax roll
- Acres on the roll208,690
- In a FEMA flood zone5.1%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 DeKalb County yet. Zoning here is set town by town.
Around DeKalb County
Parcels to start with
Towns in DeKalb County
- Smithville2,658 parcels
- Alexandria514 parcels
- Liberty216 parcels
- Dowelltown200 parcels
Flood zones and wetlands
Recorded flood claims in DeKalb County
17 insured flood claims were recorded in DeKalb County from 1978 to Sep 2026; fewer than 10 were on buildings rated outside the mapped flood zone (zone X, B or C). FEMA paid $161,000 on them in total.
| Years | Claims |
|---|---|
| 1978–79 | Fewer than 10 |
| 1980–89 | Fewer than 10 |
| 1990–99 | Fewer than 10 |
| 2000–09 | Fewer than 10 |
| 2010–19 | 11 |
| 2020–26 | Fewer than 10 |
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 DeKalb County
What NFIP policyholders in DeKalb 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 zone | Policies | Middle half | Full-risk median |
|---|---|---|---|
| A zones (special flood hazard area) | 19 | $730–$1,760 | $1,540 |
| X zone (outside the mapped flood zone) | Fewer than 10 | Not shown | Not 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 DeKalb County
Cropland in DeKalb County rents for about $106 an acre a year (USDA, 2026).
- Cropland rent
- $106 an acrenon-irrigated, 2026; $77.50 in 2022
- Pasture rent
- $43 an acre2026; $22 in 2022
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 DeKalb County
- Population21,873July 2025 estimate, +8.4% since 2020
- Median household income$53,1532020–2024 average, ±$7,562
- New homes permitted1442025, 144 single-family; 147 in 2021
- Permitted so far in 2026110Jan–Aug, against 102 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).
Land in DeKalb County by useLand use on the county roll
| Land class | Parcels | Share |
|---|---|---|
| Building on record | 9,101 | 50% |
| Other or not coded | 6,486 | 35% |
| Farm and timber | 2,235 | 12% |
| Institutional | 477 | 2.6% |
2,235 farm and timber parcels cover 139,124 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 DeKalb County is 0.85 acre (18,299 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 DeKalb CountyFarm and timber parcels to start with
- 8350 Old Mill Hill Rd 60.1 acres
- 3745 Smith Fork Rd 60.0 acres
- 7860 Aunt Helen Rd 59.0 acres
- 645 Hannah Branch Rd 58.5 acres
- 2491 Barnes Mill Rd 58.2 acres
- 54.3 acres of farm and timber land
- 1687 Adamson Branch Rd 51.1 acres
- 48.5 acres of farm and timber land
- 668 Joines Rd 47.9 acres
Farm and timber parcels of an acre or more, each with its own page of public roll facts.
Questions about DeKalb County landAnswers from the public records
How many parcels are in DeKalb County, TN?
18,299 parcels on the 2026 DeKalb County tax roll (pulled Oct 2026), covering 208,690 acres.
How much vacant land is in DeKalb County, TN?
DeKalb 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 DeKalb County?
The median parcel is 0.85 acre, from 18,299 parcels with a recorded size.
How much of DeKalb County is in a flood zone?
5.1% 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 DeKalb County?
1% 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 DeKalb County?
No land prices for DeKalb County yet. Area prices print only where Tennessee's own price test passed for the county, and it has not for DeKalb County.
How many people live in DeKalb County?
About 21,873 (Census estimate for July 1, 2025), +8.4% since 2020.
How many new homes are being built in DeKalb County?
Building permits authorized 144 new housing units in 2025 and 110 from January to Aug 2026 (against 102 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 DeKalb 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 Aug 2026; counted on our map built Oct 2026.