PlainZIP

Butler, TN · standard

ZIP Code 37640

Johnson County, Tennessee - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.

3,743
14/sq mi
$55,402
Median income
$174,000
Median home value
20.9%
Bachelor's or higher

The verdict

Butler pairs one of the lowest household incomes in the country with below-median home values, in a rural, homeowner-dominated area.

22th pct
household income, US ZIPs
36th pct
home value, US ZIPs
14
people per sq mi
86%
owner-occupied homes

Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 37640 against every reporting US ZIP.

ZIP code 37640 covers 273.2 square miles in Butler, Johnson County, Tennessee (a standard USPS delivery area), with a modest 3,743 residents on file, a density of 14 people per square mile, in the New York time zone.

ZIP 37640 reports a modest median household income of $55,402 (17% below the Tennessee average), while per-capita income is $36,615. Local economic indicators show a 21.1% poverty rate alongside 3.6% unemployment. The typical home here is valued at $174,000 (30% below the state average); renters pay a median of $687 monthly, and 85.8% of units are owner-occupied.

Educational attainment sits below the national norm: 20.9% of adults hold a bachelor's degree or higher, the median age is 53.4, and the average commute is 34 minutes. A geography-based comparison follows: 3 ZIP codes within about 10 miles of 37640, plus 4 more within Johnson County, give a clearer read than the national average 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 →

Top industries in ZIP 37640

Top 5 sectors by establishment count in Butler, TN

Which industries have the most business establishments in ZIP 37640.

establishments

What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.

Source U.S. Census Bureau · ZIP Code Business Patterns (ZBP) As of 2023

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 37640, Butler, 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

3,743

Population

273.2

Area (sq mi)

14

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 37640?

53.4

Median Age

52.4%

Male

47.6%

Female

1.1%

Foreign-Born

White 96.6%
African American 0.0%
Asian 0.0%
American Indian or Alaska Native 0.0%
Native Hawaiian or Pacific Islander 0.0%
Two or More Ethnicities 3.3%
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?

$55,402

Median Household Income

-17% vs state

$36,615

Per Capita Income

21.1%

Poverty Rate

3.6%

Unemployment Rate

34.4 min

Mean Commute Time

How ZIP 37640 ranks nationally

Butler, TN household income vs. every US ZIP code

Median household income, the full national distribution, with this ZIP marked

$55,402 22nd percentile higher than 22% 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%). This entry sits in this band. $60,000–$80,000: 9,980 US ZIPs (33%). Above this entry. $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 63.8%
Bachelor's Degree or Higher 20.9%

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What does housing look like?

2,503

Total Housing Units

1,899

Occupied Units

604

Vacant Units

2.03

Avg Household Size

Occupancy Type

Owner 85.8%
Renter 14.2%

$174,000

Median Home Value

-30% vs state

$687

Median Rent

1991

Median Year Built

Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)

What businesses operate in this ZIP?

Census Bureau data shows 37 business establishments in ZIP 37640, employing approximately 130 people with a combined annual payroll of $5,461,000.

37

Businesses

130

Employees

$5.5M

Annual Payroll

6

Industry Sectors

Industry Establishments % of Total
Construction 7 18.9%
Accommodation and food services 6 16.2%
Other services (except public administration) 5 13.5%
Manufacturing 3 8.1%
Retail trade 3 8.1%
Professional, scientific, and technical services 3 8.1%

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 37640 vs 28622 →

ZIP 37640 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 37640 ranks #2 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 37640 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 37640 ranks #2 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
28622 Elk Park, NC 2,527 9.6 mi
28679 Sugar Grove, NC 2,064 9.0 mi
37687 Roan Mountain, TN 5,038 12.3 mi

More ZIP Codes in Johnson County

37683 standard
Mountain City, TN
Pop: 13,021
37688 standard
Shady Valley, TN
Pop: 1,018
37691 standard
Trade, TN
Pop: 894
37680 standard
Laurel Bloomery, TN
Pop: 766

Related Areas

Johnson County Butler, TN Tennessee

Frequently Asked Questions

What county is ZIP code 37640 in? ▼
ZIP code 37640 (Butler) is located in Johnson County, Tennessee. Johnson County contains multiple ZIP codes, see the full list at /counties/johnson-tn.
What is the population of ZIP code 37640? ▼
ZIP code 37640 in Butler, TN has a population of 3,743 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 37640? ▼
The median household income in ZIP 37640 is $55,402, which is 27% below the national average of $76,288.
What is the average home value in ZIP 37640? ▼
The median home value in ZIP 37640 is $174,000, which is 37% below the national average of $278,155.
What is the demographic makeup of ZIP 37640? ▼
The largest racial group in ZIP 37640 is White at 96.6%.
How many businesses are in ZIP code 37640? ▼
ZIP code 37640 has 37 business establishments employing approximately 130 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 37640? ▼
The top industries by establishment count in ZIP 37640 are: Construction (7), Accommodation and food services (6), Other services (except public administration) (5). There are 6 industry sectors represented in total.
What is the education level in ZIP code 37640? ▼
In ZIP code 37640, 63.8% of residents aged 25+ have a high school diploma or higher, and 20.9% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 37640? ▼
The mean commute time for workers in ZIP code 37640 is 34.4 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend more time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 37640? ▼
In ZIP code 37640, approximately 85.8% of occupied housing units are owner-occupied and 14.2% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 37640? ▼
The poverty rate in ZIP code 37640 is 21.1% 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.