US Census Data

ZIP 37318 vs ZIP 37321

A side-by-side comparison of ZIP Code 37318 and ZIP Code 37321: population, income, housing, and more.

ZIP 37318 and ZIP 37321 are ZIP Code areas in Tennessee. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 37321 has the higher population (20,670 vs 2,245 in ZIP 37318). ZIP 37321 has the higher median household income ($59,182 vs $41,484 in ZIP 37318). ZIP 37321 has the higher median home value ($168,000 vs $132,200 in ZIP 37318).

Population, income & housing

ZIP 37318ZIP 37321
Population2,24520,670
Median age35.0 yrs38.7 yrs
Median household income$41,484$59,182
Median home value$132,200$168,000
Median gross rent$715$819
Housing units8078,947
Homeownership rate62.2%70.1%
Bachelor's degree or higher11.8%18.4%
Unemployment rate10.2%6.5%

Trends (ACS 5-year, 2019–2023)

ZIP 37318ZIP 37321
Population1,536 → 2,245 (+46.2%)19,464 → 20,670 (+6.2%)
Median household income$31,167 → $41,484 (+33.1%)$40,946 → $59,182 (+44.5%)
Median home value$84,100 → $132,200 (+57.2%)$123,500 → $168,000 (+36.0%)
Median gross rent$555 → $715 (+28.8%)$669 → $819 (+22.4%)

ZIP 37318

Population
1,5362,245
Median household income
$31,167$41,484
Median home value
$84,100$132,200
Median gross rent
$555$715

ZIP 37321

Population
19,46420,670
Median household income
$40,946$59,182
Median home value
$123,500$168,000
Median gross rent
$669$819

Age & race/ethnicity

Age distribution (share)

ZIP 37318ZIP 37321
Under 513.3%6.8%
5 to 1718.5%16.4%
18 to 248.7%9.5%
25 to 349.4%12.5%
35 to 446.1%13.9%
45 to 548.8%11.3%
55 to 6415.1%12.8%
65 to 7414.2%10.6%
75 and over5.8%6.1%

Race & ethnicity (share)

ZIP 37318ZIP 37321
White (non-Hispanic)86.0%83.6%
Black or African American9.1%1.2%
American Indian & Alaska Native0.0%0.1%
Asian0.0%1.1%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.0%0.8%
Two or more races3.9%4.2%
Hispanic or Latino0.9%9.2%

Educational attainment (age 25+)

Share of adults 25+

ZIP 37318ZIP 37321
No high school diploma19.0%16.4%
High school graduate43.0%42.2%
Some college or associate's26.2%23.0%
Bachelor's degree8.7%12.3%
Graduate or professional degree3.1%6.1%

Commute to work

How workers get to work (share)

ZIP 37318ZIP 37321
Drove alone75.9%82.5%
Carpooled17.7%11.1%
Public transit0.0%0.4%
Walked1.3%0.8%
Bicycle0.0%0.0%
Worked from home5.0%4.7%
Other means0.0%0.6%

Housing

Units in structure (share)

ZIP 37318ZIP 37321
1-unit, detached67.4%67.6%
1-unit, attached0.7%0.7%
2 to 4 units15.1%14.2%
5 to 19 units0.6%1.2%
20 or more units1.5%0.4%
Mobile home & other14.6%15.9%

Poverty & households

ZIP 37318ZIP 37321
Poverty rate32.5%14.3%
Average household size2.862.52
Mean commute (minutes)2427
Median year structure built19731993

Full profiles

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