Comparison to Surrounding Areas
The median household income ($49,539) for 18231 is less than the median household income for Schuylkill County ($68,313) and Kline township ($53,125). But it's more than 18237 ($47,174).
| 18231 | $49,539 |
| Kline township | $53,125 |
| Schuylkill County | $68,313 |
Get Median Household Income for all Zip Codes in Pennsylvania.
The average household income ($59,157) for 18231 is less than 18237 ($60,202), Schuylkill County ($85,756), and Kline township ($66,685).
| 18231 | $59,157 |
| Kline township | $66,685 |
| Schuylkill County | $85,756 |
Get Average Household Income for all Zip Codes in Pennsylvania.
The per-capita income for 18231 is $30,501. The per capita income ($30,501) for 18231 is less than the per capita income for Schuylkill County ($34,954) and Kline township ($30,858). But it's more than 18237 ($25,633).
| 18231 | $30,501 |
| Kline township | $30,858 |
| Schuylkill County | $34,954 |
Get Per-Capita Income for all Zip Codes in Pennsylvania.
2.2% of households make over $200,000 a year. The percent high income households (2.2%) for 18231 is less than the percent high income households for Schuylkill County (5.5%) and Kline township (2.6%). But it's more than 18237 (1.7%).
| 18231 | 2.2% |
| Kline township | 2.6% |
| Schuylkill County | 5.5% |
Get High Income Households for all Zip Codes in Pennsylvania.
| under 25 years | 25 to 44 years | 45 to 64 years | 65 years and over | |
|---|---|---|---|---|
| 18231 | $-1 | $48,456 | $93,000 | $-1 |
| Kline township | $-1 | $45,750 | $93,594 | $37,059 |
| Schuylkill County | $51,368 | $79,564 | $83,766 | $47,732 |
Get Median Household Income by Age of Householder for all Zip Codes in Pennsylvania.
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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 18231 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+ | |||||
| 18231 | +/-$37,778 | +/-$14,429 | +/-$7,324 | +/-3.7% | +/-$-1 | +/-$19,171 | +/-$31,462 | +/-$-1 |
| Kline township | +/-$17,436 | +/-$13,614 | +/-$6,654 | +/-1.9% | +/-$-1 | +/-$27,252 | +/-$12,392 | +/-$12,406 |
| Schuylkill County | +/-$1,387 | +/-$2,301 | +/-$861 | +/-0.6% | +/-$5,506 | +/-$5,416 | +/-$3,392 | +/-$2,181 |