Comparison to Surrounding Areas
The median household income ($113,625) for 18031 is less than the median household income for 18051 ($139,506), Upper Macungie township ($120,798), and Weisenberg township ($134,083). But it's more than 19539 ($107,656), 18087 ($72,917), 18106 ($92,813), 19530 ($71,554), 18011 ($104,449), 18062 ($110,675), Lehigh County ($80,079), Berks County ($79,777), and Longswamp township ($81,948).
| 18031 | $113,625 |
| Longswamp township | $81,948 |
| Upper Macungie township | $120,798 |
| Weisenberg township | $134,083 |
| Berks County | $79,777 |
| Lehigh County | $80,079 |
Get Median Household Income for all Zip Codes in Pennsylvania.
The average household income ($157,986) for 18031 is less than the average household income for 18051 ($158,084), Upper Macungie township ($159,115), and Weisenberg township ($167,659). But it's more than 19539 ($133,025), 18087 ($78,431), 18106 ($125,638), 19530 ($89,861), 18011 ($116,676), 18062 ($144,140), Lehigh County ($110,753), Berks County ($103,265), and Longswamp township ($119,493).
| 18031 | $157,986 |
| Longswamp township | $119,493 |
| Upper Macungie township | $159,115 |
| Weisenberg township | $167,659 |
| Berks County | $103,265 |
| Lehigh County | $110,753 |
Get Average Household Income for all Zip Codes in Pennsylvania.
The per-capita income for 18031 is $57,645. The per capita income ($57,645) for 18031 is less than the per capita income for 18051 ($64,521), Upper Macungie township ($58,011), and Weisenberg township ($61,632). But it's more than 19539 ($52,516), 18087 ($37,664), 18106 ($50,875), 19530 ($29,401), 18011 ($43,568), 18062 ($54,688), Lehigh County ($43,088), Berks County ($39,815), and Longswamp township ($49,355).
| 18031 | $57,645 |
| Longswamp township | $49,355 |
| Upper Macungie township | $58,011 |
| Weisenberg township | $61,632 |
| Berks County | $39,815 |
| Lehigh County | $43,088 |
Get Per-Capita Income for all Zip Codes in Pennsylvania.
23.5% of households make over $200,000 a year. The percent high income households (23.5%) for 18031 is less than the percent high income households for 18051 (26.8%) and Upper Macungie township (24.7%). But it's more than 19539 (11.2%), 18062 (22.0%), 18087 (3.0%), 18106 (19.9%), 19530 (9.2%), 18011 (7.2%), Lehigh County (12.4%), Berks County (10.1%), Longswamp township (7.4%), and Weisenberg township (22.8%).
| 18031 | 23.5% |
| Longswamp township | 7.4% |
| Upper Macungie township | 24.7% |
| Weisenberg township | 22.8% |
| Berks County | 10.1% |
| Lehigh County | 12.4% |
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 | |
|---|---|---|---|---|
| 18031 | $-1 | $141,216 | $121,000 | $72,556 |
| Longswamp township | $-1 | $106,750 | $101,534 | $61,628 |
| Upper Macungie township | $101,071 | $141,939 | $146,414 | $74,625 |
| Weisenberg township | $-1 | $138,523 | $189,722 | $79,375 |
| Berks County | $45,757 | $89,368 | $100,196 | $56,401 |
| Lehigh County | $44,030 | $85,370 | $100,107 | $58,170 |
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 18031 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+ | |||||
| 18031 | +/-$18,149 | +/-$22,274 | +/-$6,969 | +/-6.4% | +/-$-1 | +/-$13,779 | +/-$11,725 | +/-$7,641 |
| Longswamp township | +/-$5,692 | +/-$25,847 | +/-$12,032 | +/-3.3% | +/-$-1 | +/-$76,083 | +/-$24,829 | +/-$14,211 |
| Upper Macungie township | +/-$6,280 | +/-$11,143 | +/-$3,922 | +/-3.6% | +/-$31,219 | +/-$13,063 | +/-$27,392 | +/-$9,811 |
| Weisenberg township | +/-$18,248 | +/-$21,877 | +/-$8,334 | +/-5.7% | +/-$-1 | +/-$25,093 | +/-$6,347 | +/-$16,195 |
| Berks County | +/-$1,206 | +/-$1,786 | +/-$711 | +/-0.5% | +/-$7,242 | +/-$2,594 | +/-$2,185 | +/-$1,849 |
| Lehigh County | +/-$1,728 | +/-$2,354 | +/-$901 | +/-0.7% | +/-$3,242 | +/-$2,335 | +/-$3,838 | +/-$2,638 |