Residential delivery area · Tennessee
ZIP Code 37048: Cottontown, TN
ZIP code 37048 uses the postal name Cottontown, Tennessee and lies mostly in Sumner County (96% of its land) with the rest in Robertson County (Census 2020 ZIP-county file). About 6,400 people live there (Census Bureau, ACS 2020-2024). Median household income is $100,446 (Census Bureau, ACS 2020-2024). By Census place, 10% of its land lies in Walnut Grove (a census-designated place), and 6% in smaller places; 84% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Cottontown · its only residential ZIP
- County
- Sumner County (96%); Robertson County (4%)
- Census places
- Walnut Grove census-designated place
- Metro area
- Nashville-Davidson--Murfreesboro--Franklin, TN
- House districts
- TN-6 (96%), TN-7 (4%) 119th Congress, by share of land
- State
- Tennessee
- Time zone
- Central
- Land area
- 46.4 sq mi · 137 people per sq mi
Where is ZIP code 37048?
37048 centers on 36.490°, -86.591° and covers 46.4 square miles of land. It borders 5 ZIP codes: 37188, 37049, 37148, 37066, 37075.
The map draws ZIP code areas only. For the streets inside 37048, 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 37048 compare with the rest of Sumner County?
| Measure | 37048 | In Sumner County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 6,380 | 7th of 9 | 264th of 636 |
| Median household income | $100k | 2nd of 8 | 34th of 425 |
| Median home value | $434k | 2nd of 9 | 40th of 436 |
Its median household income is higher than in 81% of U.S. residential ZIP codes, and it is denser than 58% 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 37048?
The 2020 Census counted 6,927 people in 37048; the ACS, which samples households over 2020-2024, estimates 6,380. Between the 2010 and 2020 censuses its population grew 14.9% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 6,380±715 (90% margin)
- 2020 Census count
- 6,927+14.9% since 2010 (6,030)
- Households
- 2,404
- Median age
- 43.2
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 37048?
Of the 6,380 people the ACS estimates in 37048, 23.7% are under 18 and 15.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (90.3%).
- Under 1823.7%
- 18 to 6460.5%
- 65 and older15.8%
- White, not Hispanic90.3%
- Other or two or more6.9%
- Hispanic or Latino2.1%
- Asian, not Hispanic0.6%
- Black, not Hispanic0.2%
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 37048 earn?
Median household income is $100,446 (ACS 2020-2024), the 2nd highest of the 8 ranked ZIP codes in Sumner County. It is not measurably different from 2015-2019 ($92,989 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $100,446±$13,174
- Income per person
- $52,799
- Below the poverty line
- 5.2%
- Unemployed (of the labor force)
- 2.9%
- Adults 25+ with a bachelor's degree
- 29.0%
- Adjusted gross income per tax return, 2022
- $87,6203,160 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 37048?
FHFA's house price index for 37048, built from repeat sales and appraisals of the same homes, rose 118% from 2015 to 2025 and rose 59% from 2020 to 2025, and moved −1.9% in 2025.
- Median home value (owners' estimate)
- $434,400
- Median gross rent
- $1,148
- Homes owned by their occupants
- 88.1%
- Housing units
- 2,513
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 37048?
63 business establishments had a location in this ZIP code in 2023, 11 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction22
- Other services (except public administration)11
- Administrative and support and waste management and remediation services7
- Professional, scientific, and technical services5
- Manufacturing4
- Retail trade4
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 37048?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37188 | White House | 18,241 | $91k | 5.0 mi |
| 37049 | Cross Plains | 4,160 | $90k | 7.1 mi |
| 37148 | Portland | 26,274 | $82k | 7.9 mi |
| 37066 | Gallatin | 64,650 | $82k | 9.8 mi |
| 37075 | Hendersonville | 73,522 | $102k | 10.4 mi |
| 37141 | Orlinda | 1,618 | $76k | 10.5 mi (near) |
| 37072 | Goodlettsville | 32,208 | $78k | 12.9 mi (near) |
| 37073 | Greenbrier | 14,995 | $89k | 13.2 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.