Residential delivery area · Tennessee
ZIP Code 37821: Newport, TN
ZIP code 37821 uses the postal name Newport, Tennessee and lies entirely in Cocke County (Census 2020 ZIP-county file). About 23,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $44,161 (Census Bureau, ACS 2020-2024). By Census place, 4% of its land lies in Newport; 96% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Newport · its only residential ZIP
- County
- Cocke County
- Census places
- Newport
- Micro area
- Newport, TN
- House district
- TN-1 119th Congress
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 129.8 sq mi · 177 people per sq mi
- PO Box ZIPs
- 37822 also use the name Newport
Where is ZIP code 37821?
37821 centers on 35.975°, -83.196° and covers 129.8 square miles of land plus 5.6 of water. It borders 8 ZIP codes: 37713, 37843, 37890, 37722, 37725, 37727, 37753, 37813.
The map draws ZIP code areas only. For the streets inside 37821, 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 37821 compare with the rest of Cocke County?
| Measure | 37821 | In Cocke County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 22,909 | 2nd of 7 | 103rd of 636 |
| Median household income | $44k | 3rd of 3 | 391st of 425 |
| Median home value | $142k | 4th of 4 | 384th of 436 |
Its median household income is higher than in 9% of U.S. residential ZIP codes, and it is denser than 61% 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 37821?
The 2020 Census counted 22,928 people in 37821; the ACS, which samples households over 2020-2024, estimates 22,909. Between the 2010 and 2020 censuses its population grew 1.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 22,909
- 2020 Census count
- 22,928+1.4% since 2010 (22,608)
- Households
- 9,632
- Median age
- 43.7
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 37821?
Of the 22,909 people the ACS estimates in 37821, 22.2% are under 18 and 20.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (90.8%).
- Under 1822.2%
- 18 to 6457.8%
- 65 and older20.0%
- White, not Hispanic90.8%
- Black, not Hispanic3.1%
- Hispanic or Latino3.1%
- Other or two or more2.4%
- Asian, not Hispanic0.6%
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 37821 earn?
Median household income is $44,161 (ACS 2020-2024), the 3rd highest of the 3 ranked ZIP codes in Cocke County. It is not measurably different from 2015-2019 ($40,753 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $44,161±$4,506
- Income per person
- $26,501
- Below the poverty line
- 26.0%
- Unemployed (of the labor force)
- 3.9%
- Adults 25+ with a bachelor's degree
- 8.5%
- Adjusted gross income per tax return, 2022
- $46,3069,980 returns; wages 74% 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 37821?
FHFA's house price index for 37821, built from repeat sales and appraisals of the same homes, rose 121% from 2015 to 2025 and rose 76% from 2020 to 2025, and moved +4.7% in 2025.
- Median home value (owners' estimate)
- $141,900
- Median gross rent
- $805
- Homes owned by their occupants
- 70.1%
- Housing units
- 10,896
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 37821?
372 business establishments had a location in this ZIP code in 2023, 3 fewer than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade97
- Accommodation and food services44
- Other services (except public administration)44
- Health care and social assistance42
- Finance and insurance27
- Manufacturing21
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 37821?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37713 | Bybee | 1,425 | $54k | 8.1 mi |
| 37843 | Parrottsville | 4,426 | $58k | 8.6 mi |
| 37890 | White Pine | 6,821 | $59k | 9.1 mi |
| 37722 | Cosby | 6,708 | $55k | 11.1 mi |
| 37725 | Dandridge | 18,301 | $68k | 11.2 mi |
| 37727 | Del Rio | 1,936 | $48k | 11.5 mi |
| 37753 | Hartford | 917 | $49k | 11.9 mi |
| 37813 | Morristown | 18,288 | $48k | 14.2 mi |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.
Which other ZIP codes use the name Newport?
1 more ZIP code carries the postal name Newport, 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 |
|---|---|
| 37822 | Cocke 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.