ZIP Code 18036 has segments in 2 Counties (Bucks, Lehigh).
The ZIP Code maps and database are updated 4 times per year.
Database updated: June 1, 2025, Maps updated:  May 1, 2024.
POPULATION | |
|---|---|
| Total Population | 16,113 (100%) | 
| Population in Households | 15,916 (98.8%) | 
| Population in Families | 13,782 (85.5%) | 
| Population in Group Quarters1 | 197 ( 1.2%) | 
| Population Density | 510 | 
| Diversity Index2 | 30 | 
INCOME | |
| Median Household Income | $125,530 | 
| Average Household Income | $169,632 | 
| % of Income for Mortgage4 | 26% | 
| Per Capita Income | $63,532 | 
| Wealth Index5 | 182 | 
| Socioeconomic Status Index6 | Moderate (64.0) | 
HOUSING | |
|---|---|
| Total HU (Housing Units) | 6,239 (100%) | 
| Owner Occupied HU | 5,270 (84.5%) | 
| Renter Occupied HU | 761 (12.2%) | 
| Vacant Housing Units | 208 ( 3.3%) | 
| Median Home Value | $529,692 | 
| Average Home Value | $573,779 | 
| Housing Affordability Index3 | 83 | 
HOUSEHOLDS | |
| Total Households | 6,031 | 
| Average Household Size | 2.64 | 
| Family Households | 4,531 | 
| Average Family Size | 3.00 | 
GROWTH RATE / YEAR | 
2020-2025 | 2025-2030 | 
|---|---|---|
| Population | 1.04% | 0.55% | 
| Households | 1.16% | 0.64% | 
| Families | 0.48% | |
| Median Household Income | 3.24% | |
| Per Capita Income | 2.16% | |
| Owner Occupied HU | 0.71% | 
The table below compares 18036 to the other 1,696 ZIP Codes in Pennsylvania by rank and percentile using July 1, 2025 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.
| Variable Description | Rank | Percentile | 
|---|---|---|
| Total Population | # 267 | 84th | 
| Population Density | # 628 | 63rd | 
| Median Household Income | # 89 | 95th | 
| Housing Affordability Index | # 408 | 24th | 
| Per Capita Income | # 102 | 94th | 
| Diversity Index | # 525 | 69th | 
Additional comparisons and rankings can be made with a VERY EASY TO USE Pennsylvania Census Data Comparison Tool.