Residential delivery area · Tennessee
ZIP Code 37874: Sweetwater, TN
ZIP code 37874 uses the postal name Sweetwater, Tennessee and lies mostly in Monroe County (70% of its land), reaching into McMinn County and Loudon County (Census 2020 ZIP-county file). About 17,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $53,605 (Census Bureau, ACS 2020-2024). By Census place, 9% of its land lies in Sweetwater; 91% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Sweetwater · its only residential ZIP
- County
- Monroe County (70%); McMinn County (21%); Loudon County (9%)
- Census places
- Sweetwater
- House districts
- TN-3 (91%), TN-2 (9%) 119th Congress, by share of land
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 102.9 sq mi · 161 people per sq mi
Where is ZIP code 37874?
37874 centers on 35.598°, -84.456° and covers 102.9 square miles of land plus 0.1 of water. It borders 4 ZIP codes: 37846, 37826, 37354, 37885.
The map draws ZIP code areas only. For the streets inside 37874, 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 37874 compare with the rest of Monroe County?
| Measure | 37874 | In Monroe County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 16,567 | 4th of 9 | 150th of 636 |
| Median household income | $54k | 8th of 8 | 314th of 425 |
| Median home value | $191k | 6th of 7 | 294th of 436 |
Its median household income is higher than in 19% of U.S. residential ZIP codes, and it is denser than 60% 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 37874?
The 2020 Census counted 15,604 people in 37874; the ACS, which samples households over 2020-2024, estimates 16,567. Between the 2010 and 2020 censuses its population grew 4.2% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 16,567
- 2020 Census count
- 15,604+4.2% since 2010 (14,979)
- Households
- 6,948
- Median age
- 41.0
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 37874?
Of the 16,567 people the ACS estimates in 37874, 21.8% are under 18 and 19.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (83.8%).
- Under 1821.8%
- 18 to 6458.7%
- 65 and older19.5%
- White, not Hispanic83.8%
- Hispanic or Latino7.1%
- Other or two or more6.5%
- Black, not Hispanic2.4%
- Asian, 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 37874 earn?
Median household income is $53,605 (ACS 2020-2024), the 8th highest of the 8 ranked ZIP codes in Monroe County. It is not measurably different from 2015-2019 ($53,103 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $53,605±$7,168
- Income per person
- $28,222
- Below the poverty line
- 15.8%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 13.6%
- Adjusted gross income per tax return, 2022
- $57,4786,820 returns; wages 73% 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 37874?
FHFA's house price index for 37874, built from repeat sales and appraisals of the same homes, rose 130% from 2015 to 2025 and rose 84% from 2020 to 2025, and moved +7.1% in 2025.
- Median home value (owners' estimate)
- $191,300
- Median gross rent
- $625
- Homes owned by their occupants
- 67.3%
- Housing units
- 7,395
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 37874?
276 business establishments had a location in this ZIP code in 2023, 3 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade58
- Accommodation and food services39
- Health care and social assistance32
- Other services (except public administration)31
- Manufacturing23
- Finance and insurance21
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 37874?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37846 | Philadelphia | 4,579 | $72k | 5.8 mi |
| 37826 | Niota | 3,449 | $63k | 8.0 mi |
| 37354 | Madisonville | 17,356 | $55k | 8.8 mi |
| 37885 | Vonore | 6,271 | $79k | 19.2 mi |
| 37774 | Loudon | 21,784 | $88k | 10.6 mi (near) |
| 37880 | Ten Mile | 3,599 | $65k | 13.5 mi (near) |
| 37329 | Englewood | 6,591 | $71k | 14.3 mi (near) |
| 37303 | Athens | 25,688 | $62k | 14.9 mi (near) |
| 37763 | Kingston | 16,984 | $81k | 15.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.