County

DeKalb County, TN

4 ZIP codes  ·  4 cities  ·  Tennessee

👥20,698Population
💰$48,235Median HH Income▼ 37% below avg
🎂41.3Median Age
🏠$192,626Median Home Value▼ 31% below avg
🎓26.3%College Grads▼ 32% below avg
📊5.6%Unemployment▲ 14% above avg
People & Population (ACS 2023 — weighted avg)
♂ Male 50.3% Female 49.7% ♀

Race & Ethnicity

White: 86.8%Hispanic: 7.8%Black: 1.8%Asian: 0.9%Other: 2.4%Race
White86.8%
Hispanic7.8%
Black1.8%
Asian0.9%
Other2.4%

Age Breakdown

Under 5
8%
5–17
16%
18–24
6%
25–44
26%
45–64
27%
65+
8%

Key Indicators

Median Age41.3 yrs
Avg HH Size2.42
Below Poverty22.8% ▲ 128% above avg
College Grads26.3% ▼ 32% below avg
Unemployment5.6% ▲ 14% above avg
No HS Diploma154 (1.2%)
HS Graduate5,343 (42.4%)
Some College2,234 (17.7%)
Associates1,550 (12.3%)
Bachelors738 (5.9%)
Graduate Degree2,582 (20.5%)

Education

No HS: 1.2%HS Grad: 42.4%Some College: 17.7%Associates: 12.3%Bachelors: 5.9%Graduate: 20.5%Edu
No HS1.2%
HS Grad42.4%
Some College17.7%
Associates12.3%
Bachelors5.9%
Graduate20.5%
Housing & Income

Housing Tenure

Owner: 66.6%Renter: 33.4%Tenure
Owner66.6%
Renter33.4%

Home Value Distribution

Under $50k
8%
$50k–$100k
12%
$100k–$150k
12%
$150k–$200k
21%
$200k–$300k
22%
$300k–$500k
16%
Over $500k
9%

Financials

Median HH Income$48,235 ▼ 37% below avg
Median Home Value$192,625 ▼ 31% below avg
Home/Income Ratio4.0x (nat avg ~3.5x)
Median Rent$792/mo
Total Housing Units9,813
Vacant Units1,353

Income Distribution

Under $25k
27%
$25k–$50k
23%
$50k–$75k
18%
$75k–$100k
12%
$100k–$150k
14%
$150k–$200k
4%
Over $200k
2%
Employment & Commute

How People Get to Work

Drove Alone
92%
Walked
0%
Work From Home
7%

Commute Time

Under 15 min
31%
15–30 min
25%
30–45 min
15%
Over 45 min
29%
Housing Stock

Year Built

Before 1940
1%
1940s–1950s
8%
1960s–1970s
15%
1980s–1990s
18%
2000+
58%
About DeKalb County, TN

DeKalb County is located in Tennessee and encompasses 4 ZIP codes spanning 4 cities and communities. The county has an estimated population of 20,698 residents. With a median age of 41.25, it is a middle-aged county.

DeKalb County has a working-class economic profile. The median household income of $48,234 is below the national average. Unemployment stands at 5.6%, near the national average. The poverty rate of 22.8% is significantly above the national average, indicating economic challenges.

Housing in DeKalb County is an affordable housing market, with a median home value of $192,625 — below the national average. Monthly median rent is approximately $792. Homeownership rates are high at 66.6%, reflecting a largely residential, stable population.

The residents of DeKalb County are primarily White (86.79%). Educational attainment is moderately educated — 26.3% of adults hold a bachelor's degree or higher, below the national average.

DeKalb County, TN is a working-class area in Tennessee. The 4 ZIP codes within the county each have their own character — browse the full list below to find the right community, whether you're looking for affordable housing, strong schools, or economic opportunity.

ZIP Codes in DeKalb County
ZIPCityPopulationMedian IncomeMedian HomeMedian RentUnemp.College
37012 Alexandria 2,149 $51,902 $230,500 $676 7.6% 22.4%
37059 Dowelltown 1,593 $55,368 $222,700 $1,010 16.0% 27.3%
37095 Liberty 1,840 $50,278 $196,500 $941 2.1% 33.1%
37166 Smithville 15,116 $46,713 $183,600 $768 4.6% 25.9%

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