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 Low-density area
- $73,108
- Median income Near-median income area
- $190,600
- Median home value Near-median home value
- 31.6%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
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
- 41st 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 a sparsely populated ZIP (a standard USPS delivery area) in Flag Pond, Unicoi County, Tennessee, home to just 972 residents across 96.2 square miles, a density of 10 people per square mile, in the New York time zone.
ZIP 37657 lands in the middle-income range, with a median household income of $73,108 (10% above the average Tennessee ZIP), while per-capita income is $24,230. Both reported hardship measures are comparatively low in absolute terms: poverty is 5.4% and unemployment is 0.0%. Home values sit below the statewide ZIP benchmark: the median is $190,600 (23% below the average Tennessee ZIP); owner occupancy is 85.8%.
A solid share of residents have a four-year degree: 31.6% of adults hold a bachelor's degree or higher, the median age is 41.7, and the average commute is -. The page also surfaces 3 ZIP codes within roughly 10 miles and 2 more in Unicoi County, so 37657 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$24,230
Per Capita Income
5.4%
Poverty Rate
0.0%
Unemployment Rate
How ZIP 37657 ranks among Tennessee ZIPs
Flag Pond, TN household income vs. every Tennessee ZIP code
Median household income among 593 reporting Tennessee ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$73,108 Top 29% higher than 71% of 593 Tennessee ZIPs
Each bar is a $20K-wide band; taller bars hold more Tennessee 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?
Housing stock: occupied vs vacant
551housing units
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 ZIP avg
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.
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 37657, both outside TN so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Unicoi County
Related Areas
Frequently Asked Questions
What county is ZIP code 37657 in?
ZIP code 37657 (Flag Pond) is located in Unicoi County, Tennessee. Unicoi County contains multiple ZIP codes, see the full list at /counties/unicoi-tn.
What is the population of ZIP code 37657?
ZIP code 37657 in Flag Pond, TN has a population of 972 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 37657?
The median household income in ZIP 37657 is $73,108, which is 4% below the national average of $76,288.
What is the average home value in ZIP 37657?
The median home value in ZIP 37657 is $190,600, which is 31% below the national average of $278,155.
What is the demographic makeup of ZIP 37657?
The largest racial group in ZIP 37657 is White at 95.2%.
How many businesses are in ZIP code 37657?
ZIP code 37657 has 3 business establishments employing approximately 4 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What is the education level in ZIP code 37657?
In ZIP code 37657, 64.9% of residents aged 25+ have a high school diploma or higher, and 31.6% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What percentage of residents own vs. rent in ZIP 37657?
In ZIP code 37657, approximately 85.8% of occupied housing units are owner-occupied and 14.3% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 37657?
The poverty rate in ZIP code 37657 is 5.4% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 37657's numbers, next.
- See how ZIP 37657 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Flag Pond, TN ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.