Flag Pond, TN · standard
ZIP Code 37657
Unicoi County, Tennessee — Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 972
- 10/sq mi
- $73,108
- Median income
- $190,600
- Median home value
- 31.6%
- Bachelor's or higher
The verdict
Flag Pond pairs an above-median household income with below-median home values, in a rural, homeowner-dominated area.
- Top 48%
- household income, US ZIPs
- 41th pct
- home value, US ZIPs
- 10
- people per sq mi
- 86%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 37657 against every reporting US ZIP.
ZIP code 37657 is classified by USPS as a standard delivery area and covers roughly 96.2 square miles in Flag Pond, Unicoi County, Tennessee. The area is home to 972 residents, producing a population density of 10 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 37657 against Tennessee and the nation.
On the economic side, the median household income for ZIP 37657 sits at $73,108 (10% above the Tennessee average), while per-capita income is $24,230. The poverty rate stands at 5.4% and the unemployment rate at 0.0%. On housing, the median home value is $190,600 (23% below the state average) with median rent at — per month, and 85.8% of occupied units are owner-occupied, a direct signal of whether 37657 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 31.6% of adults hold a bachelor's degree or higher, the median age is 41.7, and the average commute is —. We also surface 3 nearby ZIP codes within roughly 10 miles and 2 additional ZIPs sharing Unicoi County, so you can benchmark 37657 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 37657, Flag Pond, TN · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
972
Population
96.2
Area (sq mi)
10
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 37657?
41.7
Median Age
50.4%
Male
49.6%
Female
0.0%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$73,108
Median Household Income
+10% vs state
$24,230
Per Capita Income
5.4%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 37657 ranks nationally
Household income vs. every US ZIP code
Median household income — the full national distribution, with this ZIP marked
$73,108 Top 48% higher than 52% of 30,318 US ZIPs
Each bar is a $20K-wide band; taller bars hold more US ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau — ACS 5-Year Estimates · 2019–2023
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
551
Total Housing Units
400
Occupied Units
151
Vacant Units
2.65
Avg Household Size
Occupancy Type
$190,600
Median Home Value
-23% vs state
1987
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What businesses operate in this ZIP?
Census Bureau data shows 3 business establishments in ZIP 37657, employing approximately 4 people with a combined annual payroll of $243,000.
3
Businesses
4
Employees
$243K
Annual Payroll
0
Industry Sectors
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 37657 vs 28754 →
ZIP 37657 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 37650
Erwin (37650)
12,750 residents
- 28753
Marshall (28753)
11,670 residents
- 28754
Mars Hill (28754)
7,679 residents
- 37657 972
Flag Pond (37657)
972 residents
What this shows Among its immediate neighbors, ZIP 37657 ranks #4 by population — useful context the national average alone can't give.
ZIP 37657 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 37657
Flag Pond (37657)
$73,108 median income
- 28754
Mars Hill (28754)
$68,750 median income
- 28753
Marshall (28753)
$52,304 median income
- 37650
Erwin (37650)
$50,654 median income
What this shows By household income, ZIP 37657 ranks the highest of 4 neighboring ZIPs — local affluence varies block to block, not just metro to metro.
More ZIP Codes in Unicoi County
Related Areas
Frequently Asked Questions
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What is the population of ZIP code 37657? ▼
What is the median household income in ZIP 37657? ▼
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What is the demographic makeup of ZIP 37657? ▼
How many businesses are in ZIP code 37657? ▼
What is the education level in ZIP code 37657? ▼
What percentage of residents own vs. rent in ZIP 37657? ▼
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ZIP Code Research Guides
Official Data Resources for Flag Pond, TN
Verify and explore additional data for this area using these official government sources.
Read our methodology to see how this data is sourced, computed, and verified.