ZIP Codes of Morgan County, TN

Population & People
Population & People
Total Population
16,406
Household Income
Household Income
Median Income
$57,488
Housing
Housing
Total Housing Units
6,357
Business & Economy
Business & Economy
Total Businesses
136
Employment
Employment
Employment Rate
39.52%
Education
Education
Bachelor's Degree+
9.83%
Source: U.S. Census ACS 2024 5-Year Estimates · rolled up across the 8 ZIPs in this county.
Data Last Updated: June 1, 2026
ZIP Codes:8 ZIP Codes (5 Standard, 3 PO Box, 0 Unique) [See All]
Area Code:423
Timezone:Eastern (GMT -05:00)
Local Time:2:13:48 PM
Population:16,406 [See All]
FIPS:47129
CBSA:Knoxville, TN
Land Area:447 sq mi
Water Area:0 sq mi
Coordinates:36.1478, -84.6143
Quick Link:
https://www.zip-codes.com/county/tn-morgan.asp
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Tennessee's #74 most populous county
16,406 residents across 8 ZIPs — #74 of 95 Tennessee counties.

Standout ZIPs in this County


Most Populous
Wartburg · 6,555 people
40.0% of county total
Highest Income
Oakdale · $90,691 median
1.6× county average
Largest Land Area
Lancing · 141.0 sq mi
Spans the most ground
Fastest Growth
Deer Lodge · 73.5% (10-yr)
1,473 → 2,556 residents
Most Educated
Oakdale · 13.0% bachelor's+
164 of 1,263 adults 25+

Things worth knowing about Morgan County


16,406 residents live across 8 ZIPs covering 447 sq mi, served by 8 distinct USPS-recognized cities.

Population moved from 16,321 to 16,406 from 2014 to 2024 — a +0.5% change. 3 ZIPs gained residents, 5 lost.

The county's wealthiest ZIP 37829 (Oakdale, $90,691 median) and poorest ZIP 37845 (Petros , $15,486) are 11.1 miles apart — a 5.9× income gap across local geography.

Median home values vary 1.5× across this county — from $127,200 in 37770 (Lancing) to $187,900 in 37887 (Wartburg).

Density varies across the county — from 20 people/sq mi in 37770 (Lancing) to 88 in 37887 (Wartburg).

Educational attainment ranges from 7.3% bachelor's+ in 37872 (Sunbright) to 13.0% in 37829 (Oakdale) — the breadth of educational profiles across the area.

Within Tennessee, this is the #74 most populous of 95 counties and ranks #56 for median household income .

Weighted by population, the typical household earns about $64,169 across the county — reflecting what a typical resident sees, not a simple ZIP average.

9.8% of adults age 25+ hold a bachelor's degree or higher (1,189 of 12,097 reporting).

5 Standard delivery, 3 PO Box only, 0 single-entity Unique ZIPs serve this county.

Stories about Morgan County


Two counties in one

Median household income spans 5.9× between the wealthiest and poorest ZIPs — a sign of significant intra-county inequality.

Wealthiest ZIP
Oakdale
Median income: $90,691
Population: 1,977
Bachelor's+: 13.0%
vs
Poorest ZIP (pop >= 500)
Petros
Median income: $15,486
Population: 171
Bachelor's+: 0.0%
For every $1 of household income in 37845, the typical household in 37829 earns $5.86.

All ZIP Codes in Morgan County


ZIPCityTypePopulationMedian IncomeArea (sq mi)10-yr Growth
37887WartburgStandard6,555$65,13774.3-16.5%
37770LancingStandard2,756$47,835141.07.8%
37726Deer LodgeStandard2,556$66,87594.673.5%
37872SunbrightStandard2,346$58,90691.736.6%
37829OakdaleStandard1,977$90,69144.0-6.8%
37845PetrosPO Box171$15,4860.0-60.1%
37719CoalfieldPO Box450.0-60.2%
37733RugbyPO Box00.9-100.0%

Adjacent & Nearby Counties