Zip Code 37122
Mount Juliet, Tennessee — Wilson County
📍 ZIP code 37122 is in Mount Juliet, Wilson County, Tennessee.
ZIP code 37122 is located in Mount Juliet, Wilson County, Tennessee. It is a zip code in the Central (CST/CDT) Time Zone with an estimated population of 66,348. The area code for ZIP code 37122 is 423.
Quick Answer
Zip code 37122 is in Mount Juliet, Tennessee (Wilson County). It has a population of 66,348, median household income of $109,306, and median home value of $451,800.
Population
66,348
Income
$109,306
Home Value
$451,800
Climate
89°F / 28°F
About Zip Code 37122
Zip code 37122 is located in Mount Juliet, Tennessee, within Wilson County. Home to approximately 66,348 residents, this area sits at an elevation of 628 ft and falls within the Central (CST/CDT) timezone. The local area code is 423.
The median household income is $109,306 per year, which is above the national median of $70,784. Homes in this zip code have a median value of $451,800, and the cost of living index is 145 (45% above the national average of 100).
Summers average a high of 89°F while winters drop to 28°F. The area receives about 55 in of rain and 5 in of snow annually. The zip code covers 112 square miles of land area and 6.8 square miles of water.
Key Statistics
66,348
$109,306
$451,800
Central (CST/CDT)
423
628 ft
112 sq mi
40.3
25,608
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Compare With Nearby Zip Codes
| Metric | 37122 | 37076 | 37138 | 37214 | 37217 | 37090 |
|---|---|---|---|---|---|---|
| City | Mount Juliet, TN | Hermitage, TN | Old Hickory, TN | Nashville, TN | Nashville, TN | Lebanon, TN |
| Population | 66,348 | 38,124 | 22,539 | 30,547 | 31,440 | 17,929 |
| Median Income | $109,306 | $74,555 | $87,450 | $71,969 | $61,529 | $85,048 |
| Home Value | $451,800 | $348,300 | $347,500 | $315,000 | $279,400 | $392,800 |
| Cost of Living | 145 | 102 | 117 | 100 | 84 | 110 |
| Median Age | 40.3 | 38 | 44.1 | 37.8 | 33.4 | 39.3 |
Cost of Living
100 = National Average. Mount Juliet's cost of living is 45% above the national average.
vs. State Avg
Above
Affordability
Expensive
Income-to-Home
4.1x
Demographics
Zip code 37122 has a population of 66,348 people with a median age of 40.3. There are 25,608 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Mount Juliet (37122) population trend from 2010 to 2024
↓ -14.7%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
89°F
28°F
55 in
5 in
Mount Juliet experiences warm summers with average highs around 89°F. Winters are cool with lows averaging 28°F. The area receives about 5 in of snow per year.
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Housing & Economy
Median Home Value
$451,800
Median Household Income
$109,306
With 25,608 housing units across 112 square miles, 37122 has a housing density of 229 units per square mile. The home price-to-income ratio is 4.1x.
Location & Geography
Latitude
36.1783°
Longitude
-86.4866°
Land Area
112 sq mi
Water Area
6.8 sq mi
Nearby Zip Codes
Zip codes closest to 37122 (Mount Juliet, TN) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 37122's $109,306. A way to compare Mount Juliet to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 37122 (Mount Juliet, TN). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Mount Juliet, Tennessee?
Mount Juliet, Tennessee uses zip code 37122.
What county is zip code 37122 in?
Zip code 37122 is located in Wilson County, Tennessee.
What is the population of zip code 37122?
The population of zip code 37122 is 66,348 with a median age of 40.3.
Is 37122 in Mount Juliet, Tennessee?
Yes, zip code 37122 is in Mount Juliet, Wilson County, Tennessee. The area code is 423.
Frequently Asked Questions
What city is zip code 37122 in?
Zip code 37122 is in Mount Juliet, Tennessee. It is part of Wilson County and uses the Central (CST/CDT) timezone.
What is zip code 37122?
Zip code 37122 is a U.S. postal code in Mount Juliet, Tennessee (Wilson County). It has a population of 66,348 and covers 112 square miles.
What is the population of zip code 37122?
The population of zip code 37122 (Mount Juliet, TN) is 66,348 with a median age of 40.3. There are approximately 25,608 housing units in this area.
What is the median income in zip code 37122?
The median household income in zip code 37122 (Mount Juliet, TN) is $109,306 per year. The cost of living index is 145 (100 = national average).
What is the average home price in zip code 37122?
The median home value in zip code 37122 (Mount Juliet, TN) is $451,800. The cost of living index is 145 compared to the national average of 100.
What county is zip code 37122 in?
Zip code 37122 is located in Wilson County, Tennessee. The primary city is Mount Juliet.
What is the area code for zip code 37122?
Zip code 37122 in Mount Juliet, TN uses area code 423. It is located in the Central (CST/CDT) timezone.
Is zip code 37122 a good place to live?
Zip code 37122 (Mount Juliet, TN) has a cost of living index of 145 (100 = national average), a median household income of $109,306, and median home values of $451,800. The median age is 40.3. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 37122?
The cost of living index for zip code 37122 (Mount Juliet, TN) is 145, where 100 represents the national average. This area is above the national average. Median home value: $451,800.
What schools serve zip code 37122?
Zip code 37122 in Mount Juliet, Tennessee is served by the local school district of Wilson County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.