Comparison to Surrounding Areas
The median household income ($78,366) for 30121 is less than the median household income for 30102 ($97,676), 30137 ($78,629), 30184 ($110,694), 30101 ($110,774), 30120 ($86,581), Bartow County ($82,243), and Cartersville city ($84,437). But it's more than 30103 ($78,071) and Emerson city ($75,250).
| 30121 | $78,366 |
| Cartersville city | $84,437 |
| Emerson city | $75,250 |
| Bartow County | $82,243 |
Get Median Household Income for all Zip Codes in Georgia.
The average household income ($94,489) for 30121 is less than the average household income for 30101 ($137,536), 30102 ($114,015), 30120 ($107,234), 30184 ($121,420), Bartow County ($98,843), Cartersville city ($111,683), and Emerson city ($108,681). But it's more than 30103 ($89,621) and 30137 ($84,900).
| 30121 | $94,489 |
| Cartersville city | $111,683 |
| Emerson city | $108,681 |
| Bartow County | $98,843 |
Get Average Household Income for all Zip Codes in Georgia.
The per-capita income for 30121 is $37,475. The per capita income ($37,475) for 30121 is less than the per capita income for 30101 ($48,186), 30102 ($40,707), 30120 ($38,593), 30184 ($40,883), Cartersville city ($43,175), and Emerson city ($41,972). But it's more than 30103 ($33,087), 30137 ($30,940), and Bartow County ($36,075).
| 30121 | $37,475 |
| Cartersville city | $43,175 |
| Emerson city | $41,972 |
| Bartow County | $36,075 |
Get Per-Capita Income for all Zip Codes in Georgia.
8.2% of households make over $200,000 a year. The percent high income households (8.2%) for 30121 is less than the percent high income households for 30101 (20.1%), 30102 (11.7%), 30120 (11.5%), 30184 (14.4%), Bartow County (9.2%), Cartersville city (13.4%), and Emerson city (14.5%). But it's more than 30103 (5.8%) and 30137 (4.3%).
| 30121 | 8.2% |
| Cartersville city | 13.4% |
| Emerson city | 14.5% |
| Bartow County | 9.2% |
Get High Income Households for all Zip Codes in Georgia.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 30121 | $55,833 | $81,831 | $91,649 | $47,759 |
| Cartersville city | $57,950 | $83,882 | $119,261 | $53,750 |
| Emerson city | $-1 | $79,792 | $79,922 | $45,417 |
| Bartow County | $55,319 | $90,898 | $99,426 | $50,916 |
Get Median Household Income by Age of Householder for all Zip Codes in Georgia.
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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 30121 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+ | |||||
| 30121 | +/-$6,436 | +/-$6,845 | +/-$2,305 | +/-3.1% | +/-$17,808 | +/-$15,789 | +/-$10,934 | +/-$16,919 |
| Cartersville city | +/-$10,205 | +/-$8,991 | +/-$3,424 | +/-3.0% | +/-$26,293 | +/-$12,912 | +/-$23,889 | +/-$19,024 |
| Emerson city | +/-$26,020 | +/-$24,279 | +/-$10,513 | +/-6.1% | +/-$-1 | +/-$23,252 | +/-$56,869 | +/-$30,310 |
| Bartow County | +/-$4,075 | +/-$3,298 | +/-$1,206 | +/-1.3% | +/-$11,322 | +/-$4,987 | +/-$9,593 | +/-$5,292 |