ZIP Code 18106
standardSource:
Allentown · Lehigh County · Pennsylvania
- Population
- 6,889
- Median income
- $92,813
- Median home value
- $412,200
- Bachelor's or higher
- 49.4%
- Land area
- 21.4 sq mi
323/sq mi
▲ 22% vs US
higher than 76% of US ZIPs
▲ 48% vs US
higher than 81% of US ZIPs
Median age 46.5
New York
ZIP code 18106 in Allentown, Pennsylvania has a population of 6,889. The median household income is $92,813, which is 22% above the national average. Median home value is $412,200, 48% above the US average. 49.4% of residents hold a bachelor's degree or higher.
ZIP code 18106 is classified by USPS as a standard delivery area and covers roughly 21.4 square miles in Allentown, Lehigh County, Pennsylvania. The area is home to 6,889 residents, producing a population density of 323 people per square mile, and falls within the New York time zone. These USPS and Census boundary values drive every downstream statistic on this page, including the benchmarks that compare 18106 against Pennsylvania and the nation.
On the economic side, the median household income for ZIP 18106 sits at $92,813 (19% above the Pennsylvania average), while per-capita income is $50,875. The poverty rate stands at 6.6% and the unemployment rate at 8.4%. On housing, the median home value is $412,200 (81% above the state average) with median rent at $1,419 per month, and 82.5% of occupied units are owner-occupied, a direct signal of whether 18106 behaves more like a homeowner neighborhood or a renter-heavy ZIP.
Education and household profile round out the picture: 49.4% of adults hold a bachelor's degree or higher, the median age is 46.5, and the average commute is 22 minutes. We also surface 10 nearby ZIP codes within roughly 10 miles and 6 additional ZIPs sharing Lehigh County, so you can benchmark 18106 against its immediate geography rather than a national average alone. Every figure is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates, HUD Fair Market Rents, and FHFA Home Price Index data, no estimates, no proprietary scoring. Verify with HUD →
Top industries in ZIP 18106
Top 5 sectors by establishment count
Which industries have the most business establishments in ZIP 18106.
- Health care and social assistance
Health care and social assistance
70 establishments
- Professional, scientific, and technical services
Professional, scientific, and technical services
65 establishments
- Wholesale trade
Wholesale trade
60 establishments
- Retail trade
Retail trade
60 establishments
- Administrative and support and waste management and remediation services
Administrative and support and waste management and remediation services
49 establishments
What this shows Establishment counts come from the Census ZIP Code Business Patterns program, which counts physical business locations rather than employees or revenue.
Source: U.S. Census Bureau, American Community Survey 5-Year Estimates + ZIP Code Business Patterns + HUD FMR + FHFA HPI ACS demographics, ZBP business establishments, HUD Fair Market Rents, FHFA HPI for ZIP 18106, Allentown, PA · 2023 Census ACS 5-Year Estimates use a rolling 60-month sample for stable small-geography estimates; ZBP updated annually; HUD FMR + FHFA HPI updated quarterly/annually.
Quick Facts
6,889
Population
21.4
Area (sq mi)
323
People / sq mi
New York
Time Zone
standard
ZIP Type
Who lives in ZIP 18106?
46.5
Median Age
50.9%
Male
49.1%
Female
13.2%
Foreign-Born
Hispanic or Latino is an ethnicity category from the Census Bureau and may overlap with other categories above.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How much do residents earn?
$92,813
Median Household Income
+19% vs state
$50,875
Per Capita Income
6.6%
Poverty Rate
8.4%
Unemployment Rate
22.1 min
Mean Commute Time
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What is the education profile here?
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
What does housing look like?
2,594
Total Housing Units
2,513
Occupied Units
81
Vacant Units
2.46
Avg Household Size
Occupancy Type
$412,200
Median Home Value
+81% vs state
$1,419
Median Rent
1988
Median Year Built
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023)
How have home values changed over time?
FHFA House Price Index, annual appreciation data based on repeat sales and appraisals
+5.5%
YoY Change (2024)
266
HPI Index (2000 = 100)
+166%
Total Change Since 2000
Home values in ZIP 18106 have increased 5.5% over the past year (2024). Since 2000, this ZIP has seen +166% cumulative appreciation.
| Year | Annual Change | HPI Index |
|---|---|---|
| 2020 | +3.3% | 177 |
| 2021 | +9.8% | 194 |
| 2022 | +13.5% | 221 |
| 2023 | +14.5% | 253 |
| 2024 | +5.5% | 266 |
Source: Federal Housing Finance Agency (FHFA) House Price Index, All-Transactions, Five-Digit ZIP Codes (Developmental Index). Index base = 100 in year 2000. Data through 2024. ZIP codes with few transactions may show missing values.
What businesses operate in this ZIP?
Census Bureau data shows 631 business establishments in ZIP 18106, employing approximately 21,303 people with a combined annual payroll of $1,632,805,000.
631
Businesses
21,303
Employees
$1.6B
Annual Payroll
16
Industry Sectors
| Industry | Establishments | % of Total |
|---|---|---|
| Health care and social assistance | 70 | 11.1% |
| Professional, scientific, and technical services | 65 | 10.3% |
| Wholesale trade | 60 | 9.5% |
| Retail trade | 60 | 9.5% |
| Administrative and support and waste management and remediation services | 49 | 7.8% |
| Other services (except public administration) | 48 | 7.6% |
| Accommodation and food services | 47 | 7.5% |
| Manufacturing | 46 | 7.3% |
| Transportation and warehousing | 42 | 6.7% |
| Finance and insurance | 42 | 6.7% |
| Construction | 34 | 5.4% |
| Management of companies and enterprises | 24 | 3.8% |
| Information | 14 | 2.2% |
| Real estate and rental and leasing | 12 | 1.9% |
| Educational services | 11 | 1.7% |
| Arts, entertainment, and recreation | 5 | 0.8% |
Source: U.S. Census Bureau, ZIP Code Business Patterns (ZBP), 2023. Employment figures may include noise for disclosure avoidance.
Nearby ZIP Codes
Want a side-by-side? Compare 18106 vs 18087 →
| ZIP Code | City | Population | Distance |
|---|---|---|---|
| 18087 | Trexlertown, PA | 738 | 1.5 mi |
| 18195 | Allentown, PA | 0 | 1.6 mi |
| 18046 | East Texas, PA | 64 | 2.7 mi |
| 18069 | Orefield, PA | 8,017 | 3.6 mi |
| 18031 | Breinigsville, PA | 7,528 | 3.3 mi |
| 18104 | Allentown, PA | 43,236 | 3.6 mi |
| 18062 | Macungie, PA | 24,351 | 5.1 mi |
| 18051 | Fogelsville, PA | 3,327 | 3.9 mi |
| 18103 | Allentown, PA | 45,336 | 6.0 mi |
| 18078 | Schnecksville, PA | 7,074 | 6.8 mi |
More ZIP Codes in Lehigh County
Related Areas
Frequently Asked Questions
What county is ZIP code 18106 in? ▼
What is the population of ZIP code 18106? ▼
What is the median household income in ZIP 18106? ▼
What is the average home value in ZIP 18106? ▼
What is the demographic makeup of ZIP 18106? ▼
How many businesses are in ZIP code 18106? ▼
What are the main industries in ZIP code 18106? ▼
How have home values changed in ZIP code 18106? ▼
What is the education level in ZIP code 18106? ▼
What is the average commute time in ZIP 18106? ▼
What percentage of residents own vs. rent in ZIP 18106? ▼
What is the poverty rate in ZIP code 18106? ▼
ZIP Code Research Guides
Official Data Resources for Allentown, PA
Verify and explore additional data for this area using these official government sources.
Source: U.S. Census Bureau, ACS 5-Year Estimates (2023). Business data: Source: Census ZIP Code Business Patterns (ZBP) 2023. Home value trends: Source: FHFA House Price Index (HPI), Five-Digit ZIP Codes.
PlainZIP is not affiliated with the U.S. Census Bureau or any government agency.
Read our methodology , how this data is sourced, computed, and verified.