Residential delivery area · Tennessee
ZIP Code 37657: Flag Pond, TN
ZIP code 37657 uses the postal name Flag Pond, Tennessee and lies entirely in Unicoi County (Census 2020 ZIP-county file). About 1,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $73,108 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.
- ACS2020-24
- Census2020
- ZBP2023
- IRS2022
- Town
- Flag Pond · its only residential ZIP
- County
- Unicoi County
- Metro area
- Johnson City, TN
- House district
- TN-1 119th Congress
- State
- Tennessee
- Time zone
- Eastern
- Land area
- 36.7 sq mi · 29 people per sq mi
Where is ZIP code 37657?
37657 centers on 36.017°, -82.561° and covers 36.7 square miles of land. It borders 5 ZIP codes: 37650, 28754, 28753, 37641, 28714.
The map draws ZIP code areas only. For the streets inside 37657, 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 37657 compare with the rest of Unicoi County?
| Measure | 37657 | In Unicoi County | In TN |
|---|---|---|---|
| People (ACS 2020-2024) | 1,060 | 5th of 5 | 530th of 636 |
| Median household income | $73k | 1st of 5 | 133rd of 425 |
| Median home value | $191k | not ranked | not ranked |
37657's median home value is not ranked: its 90% margin of error (±$122,162) is more than a quarter of the figure ($190,600). Rankings use ZIP codes of 1,000 or more people living in households, with margins at most 25% of the figure.
Its median household income is higher than in 52% of U.S. residential ZIP codes, and it is denser than 32% 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 37657?
The 2020 Census counted 879 people in 37657; the ACS, which samples households over 2020-2024, estimates 1,060. Between the 2010 and 2020 censuses its population fell 9.6% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 1,060±421 (90% margin)
- 2020 Census count
- 879−9.6% since 2010 (972)
- Households
- 400
- Median age
- 41.7
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 37657?
Of the 1,060 people the ACS estimates in 37657, 31.4% are under 18 and 26.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (95.2%).
- Under 1831.4%
- 18 to 6442.5%
- 65 and older26.0%
- White, not Hispanic95.2%
- Other or two or more4.8%
- Hispanic or Latino0.0%
- Black, not Hispanic0.0%
- Asian, not Hispanic0.0%
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 37657 earn?
Median household income is $73,108 (ACS 2020-2024), the highest of the 5 ranked ZIP codes in Unicoi County. It is not measurably different from 2015-2019 ($56,116 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $73,108±$16,458
- Income per person
- $24,230
- Below the poverty line
- 5.4%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 31.6%
- Adjusted gross income per tax return, 2022
- $66,044340 returns; wages 63% 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 37657?
- Median home value (owners' estimate)
- $190,600
- Median gross rent
- –
- Homes owned by their occupants
- 85.8%
- Housing units
- 551
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001).
What businesses are in 37657?
3 business establishments had a location in this ZIP code in 2023 (ZIP Code Business Patterns).
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 37657?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 37650 | Erwin | 12,774 | $51k | 7.1 mi |
| 28754 | Mars Hill, NC | 9,682 | $69k | 10.0 mi |
| 28753 | Marshall, NC | 10,389 | $52k | 13.6 mi |
| 37641 | Chuckey | 9,733 | $67k | 13.9 mi |
| 28714 | Burnsville, NC | 16,397 | $59k | 17.2 mi |
| 28740 | Green Mountain, NC | 2,158 | $48k | 14.3 mi (near) |
| 37690 | Telford | 4,722 | $74k | 16.2 mi (near) |
| 37743 | Greeneville | 24,548 | $55k | 16.9 mi (near) |
| 37681 | Limestone | 5,723 | $66k | 17.0 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.