Comparison to Surrounding Areas
The median household income ($55,402) for 37640 is less than the median household income for 28679 ($65,246), 37683 ($55,979), and Butler CDP ($64,188). But it's more than 28692 ($43,103), 37658 ($37,995), 37687 ($49,914), 28622 ($44,028), 37643 ($51,831), Johnson County ($53,129), and Carter County ($50,135).
| 37640 | $55,402 |
| Butler CDP | $64,188 |
| Carter County | $50,135 |
| Johnson County | $53,129 |
Get Median Household Income for all Zip Codes in Tennessee.
The average household income ($73,876) for 37640 is less than the average household income for 28679 ($86,778) and 28692 ($80,050). But it's more than 37687 ($64,666), 37643 ($68,309), 37658 ($56,946), 37683 ($66,677), 28622 ($64,058), Johnson County ($69,507), Carter County ($66,526), and Butler CDP ($73,443).
| 37640 | $73,876 |
| Butler CDP | $73,443 |
| Carter County | $66,526 |
| Johnson County | $69,507 |
Get Average Household Income for all Zip Codes in Tennessee.
The per-capita income for 37640 is $36,615. The per capita income ($36,615) for 37640 is less than the per capita income for 28692 ($42,023). But it's more than 37687 ($25,067), 37643 ($30,936), 37658 ($27,409), 37683 ($25,823), 28622 ($29,507), 28679 ($34,992), Johnson County ($28,841), Carter County ($30,064), and Butler CDP ($27,989).
| 37640 | $36,615 |
| Butler CDP | $27,989 |
| Carter County | $30,064 |
| Johnson County | $28,841 |
Get Per-Capita Income for all Zip Codes in Tennessee.
5.2% of households make over $200,000 a year. The percent high income households (5.2%) for 37640 is less than the percent high income households for 28622 (6.3%), 28679 (6.6%), and 28692 (5.6%). But it's more than 37643 (2.9%), 37658 (2.0%), 37683 (1.7%), 37687 (0.6%), Johnson County (3.2%), Carter County (2.6%), and Butler CDP (0.0%).
| 37640 | 5.2% |
| Butler CDP | 0.0% |
| Carter County | 2.6% |
| Johnson County | 3.2% |
Get High Income Households for all Zip Codes in Tennessee.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 37640 | $-1 | $74,911 | $61,750 | $31,673 |
| Butler CDP | $-1 | $-1 | $-1 | $-1 |
| Carter County | $38,819 | $57,163 | $56,098 | $42,747 |
| Johnson County | $48,853 | $77,317 | $54,548 | $41,707 |
Get Median Household Income by Age of Householder for all Zip Codes in Tennessee.
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All income statistics above are the most current, comparable income statistics available from the US Census Bureau and are from the American Community Survey 2024 5-year estimates. You can find this information and other demographics for 37640 on the US Census Bureau’s website. These values are in 2024 inflation-adjusted dollars and were downloaded on 29 January 2026.
Margins of error for the income data are:
| Median Household Income | Average Household Income | Per Capita Income | High Income Households | Median Household Income by Age of Householder | ||||
|---|---|---|---|---|---|---|---|---|
| under 25 | 25 to 44 | 45 to 64 | 65+ | |||||
| 37640 | +/-$16,975 | +/-$16,391 | +/-$8,307 | +/-2.3% | +/-$-1 | +/-$6,625 | +/-$14,045 | +/-$6,685 |
| Butler CDP | +/-$8,281 | +/-$30,843 | +/-$12,536 | +/-50.9% | +/-$-1 | +/-$-1 | +/-$-1 | +/-$-1 |
| Carter County | +/-$3,158 | +/-$2,762 | +/-$1,621 | +/-0.5% | +/-$23,274 | +/-$4,987 | +/-$4,866 | +/-$3,600 |
| Johnson County | +/-$4,322 | +/-$5,359 | +/-$2,288 | +/-1.2% | +/-$8,569 | +/-$7,586 | +/-$7,851 | +/-$5,540 |