Unicoi County, TN Demographics & ZIP Codes

Unicoi County, Tennessee demographics and median household income by ZIP code — 3 ZIP codes — population 18,732 — avg. income $57,240 — avg. home value $189,900. Compare income, housing, and ZIP-level data on US5.

ZIP codes

Population

18,732

Median household income (avg.)

$57,240

76% of U.S. median

Average home value

$189,900

55% of U.S. median

Average rent

$545

47% of U.S. median

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Unicoi County demographics

Unicoi County, Tennessee covers 3 ZIP codes, with a combined ZIP-area population of about 18,732.

Median household income in Unicoi County

The average median household income across ZIP codes in Unicoi County, Tennessee is about $57,240 — about 10% below the TN ZIP average ($63,814), and about 24% below the U.S. median ($75,149).

Among ZIPs with income data, 37657 is near the top at about $71,581, while 37650 (Erwin) is near the bottom at about $49,671.

Housing in Unicoi County

For housing in Unicoi County, Tennessee, the average median home value is about $189,900 and the average median rent is about $545.

The most populous ZIP is 37650 (Erwin) with about 13,109 residents. Use the table below to compare ZIP codes across the county.

ZIP codes in Unicoi County

Sort by population, income, or home value. Click a column header to toggle ascending / descending.

ZIP	City	County	State	Population ↓	Income	Home value
37650	Erwin	Unicoi County	TN	13,109	$49,671	$156,000
37692	Unicoi	Unicoi County	TN	4,784	$50,469	$199,500
37657	—	Unicoi County	TN	839	$71,581	$214,200

Frequently asked questions

What are the demographics of Unicoi County?

Unicoi County, Tennessee has a combined ZIP-area population of about 18,732 across 3 ZIP codes. Browse the ZIP table for population, income, and housing by code.

What is the median household income in Unicoi County?

The average median household income across ZIP codes in Unicoi County, Tennessee is about $57,240, about 10% below the state ZIP average ($63,814), and about 24% below the U.S. median ($75,149). Average median home value is about $189,900. Among ZIPs with data, 37657 is near the top ($71,581) and 37650 (Erwin) is near the bottom ($49,671).

How many ZIP codes are in Unicoi County?

Unicoi County, Tennessee includes 3 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.

Where can I find ZIP code demographics for Unicoi County?

This page lists ZIP codes in Unicoi County, Tennessee with population, median household income, and home value. Select a ZIP for a full demographics profile.