ZIP codes
4
DeKalb County, TN Demographics & ZIP Codes
DeKalb County, Tennessee demographics and median household income by ZIP code — 4 ZIP codes — population 20,698 — avg. income $51,065 — avg. home value $208,325. Compare income, housing, and ZIP-level data on US5.
Population
20,698
Median household income (avg.)
$51,065
68% of U.S. median
Average home value
$208,325
60% of U.S. median
Average rent
$649
56% of U.S. median
DeKalb County demographics
DeKalb County, Tennessee covers 4 ZIP codes, with a combined ZIP-area population of about 20,698.
Median household income in DeKalb County
The average median household income across ZIP codes in DeKalb County, Tennessee is about $51,065 — about 20% below the TN ZIP average ($63,814), and about 32% below the U.S. median ($75,149).
Among ZIPs with income data, 37059 (Dowelltown) is near the top at about $55,368, while 37166 (Smithville) is near the bottom at about $46,713.
Housing in DeKalb County
For housing in DeKalb County, Tennessee, the average median home value is about $208,325 and the average median rent is about $649.
The most populous ZIP is 37166 (Smithville) with about 15,116 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in DeKalb County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 37166 | Smithville | DeKalb County | TN | 15,116 | $46,713 | $183,600 |
| 37012 | Alexandria | DeKalb County | TN | 2,149 | $51,902 | $230,500 |
| 37095 | Liberty | DeKalb County | TN | 1,840 | $50,278 | $196,500 |
| 37059 | Dowelltown | DeKalb County | TN | 1,593 | $55,368 | $222,700 |
Frequently asked questions
What are the demographics of DeKalb County?
DeKalb County, Tennessee has a combined ZIP-area population of about 20,698 across 4 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in DeKalb County?
The average median household income across ZIP codes in DeKalb County, Tennessee is about $51,065, about 20% below the state ZIP average ($63,814), and about 32% below the U.S. median ($75,149). Average median home value is about $208,325. Among ZIPs with data, 37059 (Dowelltown) is near the top ($55,368) and 37166 (Smithville) is near the bottom ($46,713).
How many ZIP codes are in DeKalb County?
DeKalb County, Tennessee includes 4 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for DeKalb County?
This page lists ZIP codes in DeKalb County, Tennessee with population, median household income, and home value. Select a ZIP for a full demographics profile.