COUNTY REPORT TN

Franklin County, Tennessee

10 ZIP codes · Home Safety Score unavailable · 0 of 10 tracked ZIP records scored

Data: ZipCheckup Home Safety Score model 4.0.0; EPA SDWIS, UCMR 5, EPA radon zones, EPA AirData

Unavailable
0 of 10 tracked ZIP records scored
10
ZIP Codes
$208K
Median Home Value
$567
Avg Remediation (0.27% of home value)

ZIP Code Risk Map

Water Quality Map: Franklin County, Tennessee

Each dot represents a ZIP code. Color indicates water quality grade. Tap a dot for details.

A B C D F

Key Risk Factors

Health risk index: 14.8 (asthma 11%, diabetes 13.9%)

Modeled additional annual cost estimate per homeowner: $692, largest modeled factor: Flood

45% of homes built before 1980 (lead paint was banned for residential use in 1978)

County Health Indicators vs National Average

Asthma 11% (national: 8.9%)
Diabetes 13.9% (national: 10.5%)
Obesity 35% (national: 32.4%)

Black markers indicate national averages. Source: CDC PLACES, Census ACS.

Infrastructure Overview

1986
Median Build Year
45%
Pre-1980 Housing
34/100
Infrastructure Stress Indicator
30%
ZIPs with High Infrastructure Stress
Low
Lead Pipe Risk

Modeled area-level indicator, not a failure probability. Sources: Census ACS housing age, EPA DWINSA infrastructure needs, EPA SDWIS violations, and EPA lead indicators.

Compound Risk Breakdown

Estimated additional annual cost per homeowner: $692

Flood $350/yr
Energy Code Gap $330/yr
Water / Lead $128/yr

Bar widths proportional to share of total annual risk cost. Source: compound risk model (FEMA, EPA, USGS).

Housing Age Distribution

30,074 housing units in Franklin County

Pre-1940 6%
1940–1959 14%
1960–1979 25%
1980–1999 33%
2000+ 22%

Source: U.S. Census Bureau ACS B25034 (Year Structure Built).

Water Safety Affordability

How much it costs to fix water issues relative to home values in Franklin County

$208K
Median Home Value
$567
Est. Remediation Cost
0.3%
of Home Value
Remediation as % of home value low burden

Modeled remediation costs in Franklin County can be compared with the median property value; actual costs vary by property.

Remediation includes water filtration, lead abatement, radon mitigation, and flood protection where applicable. Source: Census ACS, EPA SDWIS.

Health Outcomes vs National Average

CDC PLACES data for Franklin County residents

Asthma 11% (US avg: 8.9%)
Diabetes 13.9% (US avg: 11%)
Obesity 35% (US avg: 32.4%)

Black markers = national averages. Red = above national avg. Green = below. Source: CDC PLACES, Census ACS.

Water systems mapped to Franklin County ZIP codes

8 community water systems mapped to Franklin County ZIP codes; EPA may list more systems serving the county.

Show all 8 water systems

15 water systems mapped to Franklin County ZIP codes in our data; EPA may list more systems serving the county.

Systems with the most violations in Franklin County

5 water systems with violations in EPA records.

All ZIP Codes in Franklin County

10 ZIP codes tracked in Franklin County.

# ZIP Code City Safety Score Grade Violations Home Value
1 37306 Belvidere — — 22 $226K
2 37318 Cowan — — 8 $132K
3 37324 Decherd — — 5 $208K
4 37330 Estill Springs — — 21 $192K
5 37345 Huntland — — 7 $183K
6 37375 Sewanee — — 11 (4 health) $324K
7 37376 Sherwood — — 0 $88K
8 37383 Sewanee — — —
9 37388 Tullahoma — — 22 $231K
10 37398 Winchester — — 28 $225K

Recommended Buyer Guides for Franklin County

Read the note next to each link: it gives the reason, such as a radon zone designation or housing age, that led to the recommendation.

Overview

Franklin County in Tennessee covers 10 tracked ZIP records. No Home Safety Score is published because the required model evidence is incomplete for every tracked record; missing evidence is not treated as zero.

8 of 9 ZIP codes with a reported violation count in the available EPA record have recorded EPA violations. 4 health-based violations appear in the available health breakdown.

← Back to Tennessee Home Safety Profile

Data Sources

Reporting periods vary by source. Missing data is shown as unavailable, not as zero.

Frequently Asked Questions

How many water systems serve Franklin County?
We map 15 public water systems to 10 ZIP codes in our data for Franklin County. EPA may list more systems serving the county, so this is not a full count.
What is the biggest environmental risk in Franklin County?
In ZipCheckup's cost model, the factor with the largest estimated average annual cost in Franklin County is flood. Across all modeled risk factors, the estimated average additional annual cost is $692 per homeowner; actual costs vary by home.
How old are homes in Franklin County?
The median home build year in Franklin County is 1986. 45% of homes were built before 1980; homes built before 1978 may contain lead-based paint, and older homes may have older plumbing materials.

How to cite this page

APA ZipCheckup. (2026). Franklin County, Tennessee Home Safety Profile. https://zipcheckup.com/county/tennessee/franklin/
BibTeX
@misc{zipcheckup-county-tennessee-franklin,
  author = {{ZipCheckup}},
  title  = {{Franklin County, Tennessee Home Safety Profile}},
  year   = {2026},
  url    = {https://zipcheckup.com/county/tennessee/franklin/}
}

Page version: October 2026.

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