PlainZIP

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 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 Tennessee average), while per-capita income is $24,230. Local economic indicators show a 5.4% poverty rate alongside 0.0% unemployment. The typical home here is valued at $190,600 (23% below the state average); renters pay a median of - monthly, and 85.8% of units are owner-occupied.

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 -. Beyond these figures, 3 nearby ZIP codes within about 10 miles are surfaced below, along with 2 more sharing Unicoi County, letting you compare 37657 to its immediate surroundings rather than a national baseline alone.

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

Neighborhood Scorecard
Get an A-F grade across income, safety, housing, rent, education, commute, and childcare for this ZIP code.
View Scorecard →

Who lives in ZIP 37657?

41.7

Median Age

50.4%

Male

49.6%

Female

0.0%

Foreign-Born

White 95.2%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 3.4%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 1.4%
Hispanic or Latino 0.0%

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

Flag Pond, TN 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

$0–$20,000: 118 US ZIPs (0%). Below this entry. $20,000–$40,000: 1,573 US ZIPs (5%). Below this entry. $40,000–$60,000: 7,092 US ZIPs (23%). Below this entry. $60,000–$80,000: 9,980 US ZIPs (33%). This entry sits in this band. $80,000–$100,000: 5,778 US ZIPs (19%). Above this entry. $100,000–$120,000: 2,855 US ZIPs (9%). Above this entry. $120,000–$140,000: 1,362 US ZIPs (4%). Above this entry. $140,000–$160,000: 686 US ZIPs (2%). Above this entry. $160,000–$180,000: 364 US ZIPs (1%). Above this entry. $180,000–$200,000: 186 US ZIPs (1%). Above this entry. $200,000–$220,000: 324 US ZIPs (1%). Above this entry. This ZIP $0 $200K+ every reporting US ZIP, bucketed by value

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?

High School Graduate or Higher 64.9%
Bachelor's Degree or Higher 31.6%

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

Owner 85.8%
Renter 14.3%

$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.

residents

What this shows Among its immediate neighbors, ZIP 37657 ranks #4 by population - useful context the national average alone can't give.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023

ZIP 37657 vs its nearest neighbors, by median income

Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.

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.

Source U.S. Census Bureau · ACS 5-Year Estimates As of 2019–2023
ZIP Code City Population Distance
28754 Mars Hill, NC 7,679 10.1 mi
37650 Erwin, TN 12,750 8.4 mi
28753 Marshall, NC 11,670 13.1 mi

More ZIP Codes in Unicoi County

37650 standard
Erwin, TN
Pop: 12,750
37692 standard
Unicoi, TN
Pop: 4,770

Related Areas

Unicoi County Flag Pond, TN Tennessee

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.

Read our methodology to see how this data is sourced, computed, and verified.