ZIP Codes of Lake County, TN

Population & People
Population & People
Total Population
6,768
Household Income
Household Income
Median Income
$28,906
Housing
Housing
Total Housing Units
2,665
Business & Economy
Business & Economy
Total Businesses
61
Employment
Employment
Employment Rate
29.43%
Education
Education
Bachelor's Degree+
9.17%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 3 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:3 ZIP Codes (2 Standard, 1 PO Box, 0 Unique) [See All]
Area Code:731
Timezone:Central (GMT -06:00)
Local Time:2:13:47 PM
Population:6,768 [See All]
FIPS:47095
Land Area:259 sq mi
Water Area:32 sq mi
Coordinates:36.3053, -89.4887
Quick Link:
https://www.zip-codes.com/county/tn-lake.asp
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Notable population decline
Lost 16.4% of residents since 2014.
Tennessee's most renter-heavy county
52.1% of homes are renter-occupied.

Standout ZIPs in this County


Most Populous
Tiptonville · 4,262 people
63.0% of county total
Highest Income
Ridgely · $30,313 median
1.0× county average
Largest Land Area
Ridgely · 138.7 sq mi
Spans the most ground
Fastest Growth
Ridgely · -9.4% (10-yr)
2,765 → 2,506 residents
Most Educated
Ridgely · 11.0% bachelor's+
183 of 1,668 adults 25+

Things worth knowing about Lake County


6,768 residents live across 3 ZIPs covering 259 sq mi, served by 3 distinct USPS-recognized cities.

Population moved from 8,095 to 6,768 from 2014 to 2024 — a -16.4% change. 0 ZIPs gained residents, 3 lost.

The county's wealthiest ZIP 38080 (Ridgely, $30,313 median) and poorest ZIP 38079 (Tiptonville, $27,500) are 12.7 miles apart — a 1.1× income gap across local geography.

Median home values vary 1.4× across this county — from $82,900 in 38080 (Ridgely) to $119,900 in 38079 (Tiptonville).

Density varies across the county — from 18 people/sq mi in 38080 (Ridgely) to 35 in 38079 (Tiptonville).

Educational attainment ranges from 8.3% bachelor's+ in 38079 (Tiptonville) to 11.0% in 38080 (Ridgely) — the breadth of educational profiles across the area.

Within Tennessee, this is the #90 most populous of 95 counties and ranks #95 for median household income .

Weighted by population, the typical household earns about $28,542 across the county — reflecting what a typical resident sees, not a simple ZIP average.

9.2% of adults age 25+ hold a bachelor's degree or higher (485 of 5,290 reporting).

2 Standard delivery, 1 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Lake County


Single-ZIP anchor

One ZIP holds the majority of this county's population — a sign of a county built around a single city or town.

Tiptonville

Population decline

Lake County lost 16.4% of residents between 2014 and 2024. ZIPs that shed the largest share:

Tiptonville
-18.7%
5,241 → 4,262 residents

All ZIP Codes in Lake County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
38079TiptonvilleStandard4,262$27,500120.5-18.7%
38080RidgelyStandard2,506$30,313138.7-9.4%
38077WynnburgPO Box00.0-100.0%

Adjacent & Nearby Counties