ZIP Code Tabulation Area · Tennessee

ZIP Code 37688: Johnson County, TN

ZIP Code 37688 (Johnson County, Tennessee) has an estimated 1,138 residents in 568 households. The median household income is $53,333, the median home value is $164,300 and the median gross rent is $1,137/mo. Figures are U.S. Census Bureau American Community Survey 2020–2024 5-year estimates for the matching ZIP Code Tabulation Area.

American Community Survey 2020–2024 5-year estimates · Updated Oct 26, 2026

Some estimates have a large margin of error. One figure for this ZIP (commute) is marked with *. ACS figures come from a sample, and small areas have fewer responses, so treat these numbers as rough ranges.

Total population

1,138

Margin of error ±189

Median household income

$53,333

Margin of error ±$16,890

Median home value

$164,300

Margin of error ±$32,034

Median gross rent

$1,137/mo

Margin of error ±$128

Median age

53.1 yrs

Margin of error ±8.0 yrs

Mean travel time to work

37.9 min*

Margin of error ±18.9 min· estimate has a large margin of error

How ZIP 37688 compares with Tennessee and the U.S.

State and national figures are the Census Bureau's own estimates for those areas from the same ACS release, not averages of ZIP codes.

Median age

ZIP 3768853.1 yrsTennessee38.9 yrsUnited States38.9 yrs

Median household income

ZIP 37688$53,333Tennessee$69,595United States$80,734

Per capita income

ZIP 37688$34,644Tennessee$39,437United States$44,673

Poverty rate

ZIP 376886.6%Tennessee13.8%United States12.5%

Unemployment rate

ZIP 376881.8%Tennessee4.7%United States5.2%

Bachelor's degree or higher

ZIP 3768837.1%Tennessee31.1%United States35.7%

Median home value

ZIP 37688$164,300Tennessee$286,700United States$332,700

Median gross rent

ZIP 37688$1,137/moTennessee$1,189/moUnited States$1,413/mo

Owner-occupied homes

ZIP 3768885.9%Tennessee66.9%United States65.2%

Mean travel time to work

ZIP 3768837.9 min*Tennessee25.7 minUnited States26.4 min

Worked from home

ZIP 3768811.9%Tennessee12.9%United States15.1%

All figures for ZIP 37688

Each estimate has a 90% margin of error: the true value is likely within that range. * marks estimates with a large margin of error (a coefficient of variation above 30%, or ±10 percentage points or more for rates).

ZIP 37688 — ACS 2020–2024 5-year estimates
Measure	ZIP 37688	Margin of error	Tennessee	United States
Total population	1,138	±189	7,066,383	334,922,499
Median age	53.1 yrs	±8.0 yrs	38.9 yrs	38.9 yrs
Households	568	±92	2,824,277	129,227,496
Median household income	$53,333	±$16,890	$69,595	$80,734
Per capita income	$34,644	±$4,226	$39,437	$44,673
Poverty rate	6.6%	±3.2 pts	13.8%	12.5%
Unemployment rate	1.8%	±2.4 pts	4.7%	5.2%
Bachelor's degree or higher	37.1%	±8.8 pts	31.1%	35.7%
Median home value	$164,300	±$32,034	$286,700	$332,700
Median gross rent	$1,137/mo	±$128	$1,189/mo	$1,413/mo
Owner-occupied homes	85.9%	±3.8 pts	66.9%	65.2%
Mean travel time to work	37.9 min*	±18.9 min	25.7 min	26.4 min
Worked from home	11.9%	±6.4 pts	12.9%	15.1%

Race and Hispanic or Latino origin

Shares of the total population by the Census Bureau's race and Hispanic or Latino origin categories (table B03002), listed in the Census Bureau's order. People self-identify on the survey.

Population by race and Hispanic or Latino origin, ZIP 37688
Group	ZIP 37688	Tennessee	United States
White alone, not Hispanic or Latino	97.2%	71.0%	57.4%
Black or African American alone, not Hispanic or Latino	0.0%	15.4%	11.9%
American Indian and Alaska Native alone, not Hispanic or Latino	1.9%	0.1%	0.5%
Asian alone, not Hispanic or Latino	0.3%	1.9%	5.9%
Native Hawaiian and Other Pacific Islander alone, not Hispanic or Latino	0.0%	0.1%	0.2%
Some other race alone, not Hispanic or Latino	0.0%	0.4%	0.6%
Two or more races, not Hispanic or Latino	0.6%	3.7%	4.3%
Hispanic or Latino (of any race)	0.0%	7.4%	19.3%

Where ZIP 37688 is

State: Tennessee
Main county: Johnson County
Land area: 54.14 sq mi· about 21 people per sq mi

County and place names come from the Census Bureau's 2020 ZCTA relationship files. A ZIP code's mailing city, set by the U.S. Postal Service, can differ from these names.

Other ZIP codes in Johnson County

37640 Johnson County, TN 37680 Johnson County, TN 37683 Johnson County, TN 37691 Johnson County, TN

See every ZIP code in Tennessee, or compare ZIP 37688 with another ZIP code.

Census figures describe residents as a group and cannot tell you about any one home or street. For a specific address, check local government and housing records.

About ZIP codes and ZCTAs: the Census Bureau publishes statistics for ZIP Code Tabulation Areas, which approximate USPS ZIP code delivery areas. Learn how they differ.

Sources

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, detailed tables B01003, B01002, B11001, B19013, B19301, B17001, B23025, B15003, B25077, B25064, B25003, B08013, B08303, B08301, B03002 — snapshot Oct 26, 2026.
U.S. Census Bureau, 2020 ZCTA5 relationship files (county and place).
Data: U.S. Census Bureau, American Community Survey 5-year estimates (detailed tables) and 2020 Census ZCTA relationship files. This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau. These agencies do not endorse OpenZIP.