Residential delivery area · Tennessee
ZIP Code 37122: Mount Juliet, TN
ZIP code 37122 uses the postal name Mount Juliet, Tennessee and lies mostly in Wilson County (91% of its land) with the rest in Rutherford County (Census 2020 ZIP-county file). About 68,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $112,967 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Mount Juliet (22%), Gladeville (4%) and Rural Hill (2%), and 3% in smaller places; 70% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Mount Juliet · its only residential ZIP
- County
- Wilson County (91%); Rutherford County (8%)
- Census places
- Mount Juliet (22%); Gladeville (4%) census-designated place; Rural Hill (2%) census-designated place
- Neighborhoods
- Clearview, Creekmont, Denny Hills, Hillview, Moreland Farms, Oakmont and 2 more GeoNames
- Metro area
- Nashville-Davidson--Murfreesboro--Franklin, TN
- House districts
- TN-5 (74%), TN-6 (18%), TN-4 (8%) 119th Congress, by share of land
- State
- Tennessee
- Time zone
- Central
- Land area
- 111.6 sq mi · 614 people per sq mi
- PO Box ZIPs
- 37121 also use the name Mount Juliet
Where is ZIP code 37122?
37122 centers on 36.178°, -86.487° and covers 111.6 square miles of land plus 5.5 of water. It borders 9 ZIP codes: 37076, 37138, 37090, 37086, 37075, 37087, 37167, 37066, 37129.
The map draws ZIP code areas only. For the streets inside 37122, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0); neighborhoods from the GeoNames gazetteer (CC BY 4.0), placed in this ZIP code by PlainZIP.
How does 37122 compare with the rest of Wilson County?
| Measure | 37122 | In Wilson County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 68,492 | 1st of 11 | 6th of 636 |
| Median household income | $113k | 2nd of 8 | 23rd of 425 |
| Median home value | $487k | 1st of 10 | 29th of 436 |
Its median household income is higher than in 88% of U.S. residential ZIP codes, and it is denser than 74% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 37122?
The 2020 Census counted 64,018 people in 37122; the ACS, which samples households over 2020-2024, estimates 68,492. Between the 2010 and 2020 censuses its population grew 37.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 68,492
- 2020 Census count
- 64,018+37.8% since 2010 (46,463)
- Households
- 24,785
- Median age
- 40.4
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 37122?
Of the 68,492 people the ACS estimates in 37122, 24.6% are under 18 and 15.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (78.7%).
- Under 1824.6%
- 18 to 6460.4%
- 65 and older15.0%
- White, not Hispanic78.7%
- Black, not Hispanic7.1%
- Hispanic or Latino6.2%
- Other or two or more4.7%
- Asian, not Hispanic3.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 37122 earn?
Median household income is $112,967 (ACS 2020-2024), the 2nd highest of the 8 ranked ZIP codes in Wilson County. It is not measurably different from 2015-2019 ($112,489 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $112,967
- Income per person
- $54,835
- Below the poverty line
- 4.5%
- Unemployed (of the labor force)
- 4.1%
- Adults 25+ with a bachelor's degree
- 47.5%
- Adjusted gross income per tax return, 2022
- $105,22632,710 returns; wages 71% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 37122?
FHFA's house price index for 37122, built from repeat sales and appraisals of the same homes, rose 111% from 2015 to 2025 and rose 53% from 2020 to 2025, and moved −1.4% in 2025.
- Median home value (owners' estimate)
- $486,500
- Median gross rent
- $1,993
- Homes owned by their occupants
- 79.6%
- Housing units
- 26,565
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 37122?
1,399 business establishments had a location in this ZIP code in 2023, 338 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade176
- Professional, scientific, and technical services172
- Health care and social assistance153
- Construction152
- Other services (except public administration)135
- Accommodation and food services133
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 37122?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37076 | Hermitage | 39,017 | $75k | 5.5 mi |
| 37138 | Old Hickory | 22,575 | $85k | 7.9 mi |
| 37090 | Lebanon | 19,774 | $84k | 11.4 mi |
| 37086 | La Vergne | 38,872 | $79k | 11.5 mi |
| 37075 | Hendersonville | 73,522 | $102k | 13.1 mi |
| 37087 | Lebanon | 56,655 | $82k | 13.5 mi |
| 37167 | Smyrna | 66,504 | $84k | 15.1 mi |
| 37066 | Gallatin | 64,650 | $82k | 15.3 mi |
| 37129 | Murfreesboro | 63,652 | $91k | 17.3 mi |
| 37214 | Nashville | 29,805 | $72k | 9.8 mi (near) |
| 37217 | Nashville | 31,869 | $63k | 10.6 mi (near) |
| 37013 | Antioch | 105,212 | $73k | 11.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Mount Juliet?
1 more ZIP code carries the postal name Mount Juliet, TN without a residential delivery area: PO boxes at the post office, or a single organization with its own ZIP code. The Census Bureau publishes no figures for it.
| ZIP | County |
|---|---|
| 37121 | Wilson County |
Source: GeoNames postal codes (CC BY 4.0), downloaded 2026-10-09; a ZIP code with no Census ZCTA has no residential delivery area.