Residential delivery area · Tennessee
ZIP Code 37066: Gallatin, TN
ZIP code 37066 uses the postal name Gallatin, Tennessee and lies entirely in Sumner County (Census 2020 ZIP-county file). About 65,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $81,614 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Gallatin (28%) and Cottontown (2%), and 2% in smaller places; 68% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Gallatin · its only residential ZIP
- County
- Sumner County
- Census places
- Gallatin (28%); Cottontown (2%) census-designated place
- Metro area
- Nashville-Davidson--Murfreesboro--Franklin, TN
- House district
- TN-6 119th Congress
- State
- Tennessee
- Time zone
- Central
- Land area
- 116.3 sq mi · 556 people per sq mi
Where is ZIP code 37066?
37066 centers on 36.399°, -86.456° and covers 116.3 square miles of land plus 6.4 of water. It borders 7 ZIP codes: 37031, 37075, 37048, 37022, 37148, 37087, 37122.
The map draws ZIP code areas only. For the streets inside 37066, 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).
How does 37066 compare with the rest of Sumner County?
| Measure | 37066 | In Sumner County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 64,650 | 2nd of 9 | 11th of 636 |
| Median household income | $82k | 6th of 8 | 97th of 425 |
| Median home value | $405k | 3rd of 9 | 50th of 436 |
Its median household income is higher than in 64% of U.S. residential ZIP codes, and it is denser than 73% 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 37066?
The 2020 Census counted 59,370 people in 37066; the ACS, which samples households over 2020-2024, estimates 64,650. Between the 2010 and 2020 censuses its population grew 38.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 64,650
- 2020 Census count
- 59,370+38.9% since 2010 (42,758)
- Households
- 25,624
- Median age
- 38.3
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 37066?
Of the 64,650 people the ACS estimates in 37066, 22.6% are under 18 and 17.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (69.2%), then Black (not Hispanic) (13.6%).
- Under 1822.6%
- 18 to 6459.6%
- 65 and older17.8%
- White, not Hispanic69.2%
- Black, not Hispanic13.6%
- Hispanic or Latino10.5%
- Other or two or more5.0%
- Asian, not Hispanic1.7%
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 37066 earn?
Median household income is $81,614 (ACS 2020-2024), the 6th highest of the 8 ranked ZIP codes in Sumner County. It is not measurably different from 2015-2019 ($78,605 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $81,614
- Income per person
- $46,209
- Below the poverty line
- 12.1%
- Unemployed (of the labor force)
- 2.9%
- Adults 25+ with a bachelor's degree
- 35.4%
- Adjusted gross income per tax return, 2022
- $112,48530,580 returns; wages 56% 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 37066?
FHFA's house price index for 37066, built from repeat sales and appraisals of the same homes, rose 123% from 2015 to 2025 and rose 59% from 2020 to 2025, and moved +3.3% in 2025.
- Median home value (owners' estimate)
- $405,400
- Median gross rent
- $1,391
- Homes owned by their occupants
- 63.8%
- Housing units
- 27,144
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 37066?
1,279 business establishments had a location in this ZIP code in 2023, 214 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade190
- Health care and social assistance161
- Other services (except public administration)136
- Construction125
- Accommodation and food services123
- Finance and insurance108
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 37066?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37031 | Castalian Springs | 3,926 | $98k | 8.7 mi |
| 37075 | Hendersonville | 73,522 | $102k | 9.4 mi |
| 37048 | Cottontown | 6,380 | $100k | 9.8 mi |
| 37022 | Bethpage | 5,728 | $79k | 11.1 mi |
| 37148 | Portland | 26,274 | $82k | 12.5 mi |
| 37087 | Lebanon | 56,655 | $82k | 13.9 mi |
| 37122 | Mount Juliet | 68,492 | $113k | 15.3 mi |
| 37188 | White House | 18,241 | $91k | 13.7 mi (near) |
| 37138 | Old Hickory | 22,575 | $85k | 14.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.