Residential delivery area · Tennessee
ZIP Code 37820: New Market, TN
ZIP code 37820 uses the postal name New Market, Tennessee and lies entirely in Jefferson County (Census 2020 ZIP-county file). About 8,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $66,616 (Census Bureau, ACS 2020-2024). By Census place, 6% of its land lies in New Market; 94% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- New Market · its only residential ZIP
- County
- Jefferson County
- Census places
- New Market
- Metro area
- Morristown, TN
- House district
- TN-1 119th Congress
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 67.6 sq mi · 123 people per sq mi
Where is ZIP code 37820?
37820 centers on 36.085°, -83.566° and covers 67.6 square miles of land plus 0.6 of water. It borders 6 ZIP codes: 37760, 37871, 37709, 37764, 37861, 37725.
The map draws ZIP code areas only. For the streets inside 37820, 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 37820 compare with the rest of Jefferson County?
| Measure | 37820 | In Jefferson County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 8,327 | 7th of 8 | 233rd of 636 |
| Median household income | $67k | 4th of 8 | 183rd of 425 |
| Median home value | $205k | 7th of 8 | 273rd of 436 |
Its median household income is higher than in 41% of U.S. residential ZIP codes, and it is denser than 57% 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 37820?
The 2020 Census counted 7,991 people in 37820; the ACS, which samples households over 2020-2024, estimates 8,327. Between the 2010 and 2020 censuses its population grew 6.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 8,327
- 2020 Census count
- 7,991+6.6% since 2010 (7,495)
- Households
- 3,164
- Median age
- 45.0
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 37820?
Of the 8,327 people the ACS estimates in 37820, 20.3% are under 18 and 17.7% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (89.7%).
- Under 1820.3%
- 18 to 6462.0%
- 65 and older17.7%
- White, not Hispanic89.7%
- Hispanic or Latino5.3%
- Other or two or more3.1%
- Black, not Hispanic1.7%
- 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 37820 earn?
Median household income is $66,616 (ACS 2020-2024), the 4th highest of the 8 ranked ZIP codes in Jefferson County. It rose from $56,748 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.
- Median household income
- $66,616±$7,128
- Income per person
- $31,343
- Below the poverty line
- 10.9%
- Unemployed (of the labor force)
- 3.3%
- Adults 25+ with a bachelor's degree
- 16.7%
- Adjusted gross income per tax return, 2022
- $60,4383,690 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 37820?
FHFA's house price index for 37820, built from repeat sales and appraisals of the same homes, rose 144% from 2015 to 2025 and rose 91% from 2020 to 2025, and moved +0.4% in 2025.
- Median home value (owners' estimate)
- $204,600
- Median gross rent
- $906
- Homes owned by their occupants
- 82.6%
- Housing units
- 3,564
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 37820?
78 business establishments had a location in this ZIP code in 2023, 17 more than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction22
- Other services (except public administration)13
- Retail trade7
- Administrative and support and waste management and remediation services6
- Health care and social assistance6
- Manufacturing5
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 37820?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37760 | Jefferson City | 13,253 | $66k | 5.7 mi |
| 37871 | Strawberry Plains | 9,926 | $71k | 7.0 mi |
| 37709 | Blaine | 4,177 | $76k | 7.9 mi |
| 37764 | Kodak | 12,562 | $71k | 8.4 mi |
| 37861 | Rutledge | 8,608 | $52k | 11.1 mi |
| 37725 | Dandridge | 18,301 | $68k | 11.4 mi |
| 37806 | Mascot | 3,674 | $60k | 9.0 mi (near) |
| 37877 | Talbott | 9,185 | $78k | 10.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.