Comparison to Surrounding Areas
The median household income ($97,751) for 37221 is less than the median household income for 37069 ($157,939), 37027 ($154,578), 37064 ($127,771), 37215 ($155,863), 37082 ($98,361), 37205 ($139,152), and Williamson County ($135,594). But it's more than 37062 ($91,750), 37143 ($96,929), 37209 ($81,423), Davidson County ($77,853), and Nashville-Davidson metropolitan government ($77,853).
| 37221 | $97,751 |
| Nashville-Davidson metropolitan government | $77,853 |
| Davidson County | $77,853 |
| Williamson County | $135,594 |
Get Median Household Income for all Zip Codes in Tennessee.
The average household income ($125,891) for 37221 is less than the average household income for 37069 ($226,463), 37027 ($229,514), 37064 ($170,353), 37215 ($245,151), 37143 ($126,792), 37205 ($226,870), and Williamson County ($183,026). But it's more than 37062 ($115,534), 37082 ($121,046), 37209 ($117,286), Davidson County ($113,747), and Nashville-Davidson metropolitan government ($113,747).
| 37221 | $125,891 |
| Nashville-Davidson metropolitan government | $113,747 |
| Davidson County | $113,747 |
| Williamson County | $183,026 |
Get Average Household Income for all Zip Codes in Tennessee.
The per-capita income for 37221 is $59,079. The per capita income ($59,079) for 37221 is less than the per capita income for 37069 ($81,095), 37027 ($84,708), 37064 ($63,031), 37215 ($115,423), 37205 ($107,106), 37209 ($60,908), and Williamson County ($66,219). But it's more than 37062 ($43,395), 37082 ($48,717), 37143 ($49,934), Davidson County ($50,640), and Nashville-Davidson metropolitan government ($50,640).
| 37221 | $59,079 |
| Nashville-Davidson metropolitan government | $50,640 |
| Davidson County | $50,640 |
| Williamson County | $66,219 |
Get Per-Capita Income for all Zip Codes in Tennessee.
17.2% of households make over $200,000 a year. The percent high income households (17.2%) for 37221 is less than the percent high income households for 37027 (38.2%), 37064 (28.6%), 37069 (39.9%), 37205 (35.1%), 37215 (42.5%), and Williamson County (30.9%). But it's more than 37062 (11.0%), 37082 (9.2%), 37143 (10.0%), 37209 (16.2%), Davidson County (12.8%), and Nashville-Davidson metropolitan government (12.8%).
| 37221 | 17.2% |
| Nashville-Davidson metropolitan government | 12.8% |
| Davidson County | 12.8% |
| Williamson County | 30.9% |
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 | |
|---|---|---|---|---|
| 37221 | $52,196 | $103,741 | $125,442 | $77,298 |
| Nashville-Davidson metropolitan government | $42,677 | $85,391 | $87,767 | $60,299 |
| Davidson County | $42,677 | $85,391 | $87,767 | $60,299 |
| Williamson County | $52,412 | $137,331 | $167,544 | $91,408 |
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 37221 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+ | |||||
| 37221 | +/-$4,215 | +/-$5,260 | +/-$2,872 | +/-1.9% | +/-$28,693 | +/-$7,340 | +/-$9,050 | +/-$5,490 |
| Nashville-Davidson metropolitan government | +/-$1,253 | +/-$2,290 | +/-$985 | +/-0.5% | +/-$3,224 | +/-$2,084 | +/-$2,649 | +/-$2,255 |
| Davidson County | +/-$1,253 | +/-$2,290 | +/-$985 | +/-0.5% | +/-$3,224 | +/-$2,084 | +/-$2,649 | +/-$2,255 |
| Williamson County | +/-$4,044 | +/-$4,344 | +/-$1,469 | +/-1.4% | +/-$19,186 | +/-$8,217 | +/-$9,621 | +/-$5,265 |