US Census Data

ZIP 37912 vs ZIP 37921

A side-by-side comparison of ZIP Code 37912 and ZIP Code 37921: population, income, housing, and more.

ZIP 37912 and ZIP 37921 are ZIP Code areas in Tennessee. This page compares them across population, income, housing, education, commuting, and how each has changed since 2019.

ZIP 37921 has the higher population (29,064 vs 22,009 in ZIP 37912). ZIP 37921 has the higher median household income ($57,813 vs $44,754 in ZIP 37912). ZIP 37921 has the higher median home value ($204,300 vs $185,600 in ZIP 37912).

Population, income & housing

ZIP 37912ZIP 37921
Population22,00929,064
Median age35.6 yrs34.0 yrs
Median household income$44,754$57,813
Median home value$185,600$204,300
Median gross rent$1,050$1,147
Housing units10,91612,969
Homeownership rate52.5%60.9%
Bachelor's degree or higher22.6%26.6%
Unemployment rate5.2%3.7%

Trends (ACS 5-year, 2019–2023)

ZIP 37912ZIP 37921
Population22,684 → 22,009 (-3.0%)27,259 → 29,064 (+6.6%)
Median household income$37,393 → $44,754 (+19.7%)$48,481 → $57,813 (+19.2%)
Median home value$125,300 → $185,600 (+48.1%)$130,400 → $204,300 (+56.7%)
Median gross rent$827 → $1,050 (+27.0%)$885 → $1,147 (+29.6%)

ZIP 37912

Population
22,68422,009
Median household income
$37,393$44,754
Median home value
$125,300$185,600
Median gross rent
$827$1,050

ZIP 37921

Population
27,25929,064
Median household income
$48,481$57,813
Median home value
$130,400$204,300
Median gross rent
$885$1,147

Age & race/ethnicity

Age distribution (share)

ZIP 37912ZIP 37921
Under 55.6%6.4%
5 to 1715.9%19.2%
18 to 2411.8%8.1%
25 to 3415.7%17.7%
35 to 4414.2%12.1%
45 to 5411.2%12.3%
55 to 6412.1%10.9%
65 to 748.7%8.4%
75 and over4.8%4.8%

Race & ethnicity (share)

ZIP 37912ZIP 37921
White (non-Hispanic)69.8%66.8%
Black or African American13.9%19.2%
American Indian & Alaska Native0.0%0.1%
Asian1.1%0.7%
Native Hawaiian & Pacific Islander0.0%0.0%
Some other race0.1%0.4%
Two or more races4.2%4.2%
Hispanic or Latino10.9%8.6%

Educational attainment (age 25+)

Share of adults 25+

ZIP 37912ZIP 37921
No high school diploma11.7%12.9%
High school graduate30.4%30.4%
Some college or associate's35.2%30.1%
Bachelor's degree14.3%18.1%
Graduate or professional degree8.3%8.4%

Commute to work

How workers get to work (share)

ZIP 37912ZIP 37921
Drove alone82.2%75.9%
Carpooled9.5%10.7%
Public transit0.4%0.7%
Walked1.5%0.9%
Bicycle0.0%0.0%
Worked from home5.1%10.7%
Other means1.3%1.1%

Housing

Units in structure (share)

ZIP 37912ZIP 37921
1-unit, detached49.3%70.5%
1-unit, attached8.0%5.3%
2 to 4 units8.0%6.9%
5 to 19 units24.5%11.9%
20 or more units7.1%2.6%
Mobile home & other3.1%2.7%

Poverty & households

ZIP 37912ZIP 37921
Poverty rate20.9%17.1%
Average household size2.222.51
Mean commute (minutes)2121
Median year structure built19791978

Full profiles

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