Allentown, PA · standard
ZIP Code 18106
Lehigh County, Pennsylvania - Census ACS demographics, housing tenure, and business patterns, benchmarked against every US ZIP.
- 6,889
- 323/sq mi High-density area
- $92,813
- Median income Above-median income area
- $412,200
- Median home value Above-median home value
- 49.4%
- Bachelor's or higher Above-average bachelor's attainment
National ZIP placement
Allentown pairs an upper-quartile household income with upper-quartile home values, in a low-density, homeowner-dominated area.
- Top 24%
- household income, US ZIPs
- Top 19%
- home value, US ZIPs
- 323
- people per sq mi
- 83%
- owner-occupied homes
Source: U.S. Census Bureau ACS 5-Year Estimates (2019–2023). Percentiles rank ZIP 18106 against every reporting US ZIP.
FHFA HPI release change
What changed in the latest House Price Index year
- FHFA House Price Index values in ZIP 18106 (Allentown, PA) rose +5.5% from 2023 to 2024. The all-transactions index moved from 252.5 in 2023 to 266.4 in 2024 (2000 = 100).
ZIP code 18106 is a mid-sized community (a standard USPS delivery area) in Allentown, Lehigh County, Pennsylvania, home to 6,889 residents across 21.4 square miles, a density of 323 people per square mile, in the New York time zone.
ZIP 18106 lands in the middle-income range, with a median household income of $92,813 (19% above the average Pennsylvania ZIP), while per-capita income is $50,875. The poverty rate is 6.6%, with unemployment at 8.4%; those measures add context to the income figure. Housing is both higher-cost and owner-heavy: median home value is $412,200 (81% above the average Pennsylvania ZIP), while 82.5% of occupied homes are owner-occupied and median rent is $1,419.
A solid share of residents have a four-year degree: 49.4% of adults hold a bachelor's degree or higher, the median age is 46.5, and the average commute is 22 minutes. The page also surfaces 10 ZIP codes within roughly 10 miles and 6 more in Lehigh County, so 18106 can be compared with both its immediate and county-level context.
Every figure on this page is sourced from the U.S. Census Bureau American Community Survey 5-Year Estimates (including median rent) and the FHFA House Price Index, no estimates, no proprietary scoring. Verify with Census →
Top industries in ZIP 18106
Top 5 sectors by establishment count in Allentown, PA
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 + FHFA HPI ACS demographics and median rent, ZBP business establishments, 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; 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 ZIP avg
$50,875
Per Capita Income
6.6%
Poverty Rate
8.4%
Unemployment Rate
22.1 min
Mean Commute Time
How ZIP 18106 ranks among Pennsylvania ZIPs
Allentown, PA household income vs. every Pennsylvania ZIP code
Median household income among 1,642 reporting Pennsylvania ZIPs (this ZIP's population is too small for a reliable national-corpus placement)
$92,813 Top 21% higher than 79% of 1,642 Pennsylvania ZIPs
Each bar is a $20K-wide band; taller bars hold more Pennsylvania ZIPs. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source U.S. Census Bureau, ACS 5-Year Estimates · 2019–2023
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?
Housing stock: occupied vs vacant
2,594housing units
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 ZIP avg
$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 18106 vs its nearest neighbors, by population
Resident population of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 18103
Allentown (18103)
45,336 residents
- 18104
Allentown (18104)
43,236 residents
- 18062
Macungie (18062)
24,351 residents
- 18069 8,017
Orefield (18069)
8,017 residents
- 18031 7,528
Breinigsville (18031)
7,528 residents
- 18078 7,074
Schnecksville (18078)
7,074 residents
- 18106 6,889
Allentown (18106)
6,889 residents
- 18051 3,327
Fogelsville (18051)
3,327 residents
- 18087 738
Trexlertown (18087)
738 residents
What this shows Among its immediate neighbors, ZIP 18106 ranks #7 by population - useful context the national average alone can't give.
ZIP 18106 vs its nearest neighbors, by median income
Median household income of this ZIP and the closest reporting ZIP codes within ~10 miles.
- 18051
Fogelsville (18051)
$139,506 median income
- 18078
Schnecksville (18078)
$120,857 median income
- 18069
Orefield (18069)
$117,895 median income
- 18031
Breinigsville (18031)
$113,625 median income
- 18062
Macungie (18062)
$110,675 median income
- 18104
Allentown (18104)
$94,601 median income
- 18106
Allentown (18106)
$92,813 median income
- 18087
Trexlertown (18087)
$72,917 median income
- 18103
Allentown (18103)
$72,895 median income
What this shows By household income, ZIP 18106 ranks #7 of 9 neighboring ZIPs, local affluence varies block to block, not just metro to metro.
| 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 |
Nationwide ZIPs with similar ACS profiles
Two Census-derived peer sets for ZIP 18106, both outside PA so the neighborhoods are not geographic containment (Nearby and same-county blocks stay local).
Similar population
Nearest cross-state ZIPs by resident population (6,889 here; floor ≥1,000).
Similar median household income
Nearest cross-state ZIPs by ACS median household income.
More ZIP Codes in Lehigh County
Related Areas
Frequently Asked Questions
What county is ZIP code 18106 in?
ZIP code 18106 (Allentown) is located in Lehigh County, Pennsylvania. Lehigh County contains multiple ZIP codes, see the full list at /counties/lehigh-pa.
What is the population of ZIP code 18106?
ZIP code 18106 in Allentown, PA has a population of 6,889 according to the Census Bureau ACS 2023 estimates.
What is the median household income in ZIP 18106?
The median household income in ZIP 18106 is $92,813, which is 22% above the national average of $76,288.
What is the average home value in ZIP 18106?
The median home value in ZIP 18106 is $412,200, which is 48% above the national average of $278,155.
What is the demographic makeup of ZIP 18106?
The largest racial group in ZIP 18106 is White at 74.3%. Hispanic or Latino residents make up 13.4% of the population.
How many businesses are in ZIP code 18106?
ZIP code 18106 has 631 business establishments employing approximately 21,303 people, according to Census Bureau ZIP Code Business Patterns (ZBP) 2023 data.
What are the main industries in ZIP code 18106?
The top industries by establishment count in ZIP 18106 are: Health care and social assistance (70), Professional, scientific, and technical services (65), Wholesale trade (60). There are 16 industry sectors represented in total.
How have home values changed in ZIP code 18106?
According to the FHFA House Price Index, home values in ZIP 18106 increased by 5.5% in 2024. Since 2000, home values in this ZIP have appreciated by approximately 166%. This is a developmental index based on repeat sales and appraisal data from Fannie Mae and Freddie Mac.
What is the education level in ZIP code 18106?
In ZIP code 18106, 74.0% of residents aged 25+ have a high school diploma or higher, and 49.4% hold a bachelor's degree or higher. These figures come from the Census Bureau ACS 5-Year Estimates (2023).
What is the average commute time in ZIP 18106?
The mean commute time for workers in ZIP code 18106 is 22.1 minutes according to Census ACS data. The national average is roughly 26 minutes, so commuters here spend less time traveling to work than typical.
What percentage of residents own vs. rent in ZIP 18106?
In ZIP code 18106, approximately 82.5% of occupied housing units are owner-occupied and 17.5% are renter-occupied, based on Census ACS 2023 data.
What is the poverty rate in ZIP code 18106?
The poverty rate in ZIP code 18106 is 6.6% according to Census Bureau ACS 2023 estimates. This measures the percentage of the population living below the federal poverty threshold.
Related
Take this with you
What to do with ZIP 18106's numbers, next.
- See how ZIP 18106 compares to a neighboring ZIP code on the same Census fields Compare this ZIP
- Check where Allentown, PA ranks among every U.S. ZIP code on income, education, or homeownership View national rankings
- Save this ZIP to your shortlist to track alongside others you're considering View your shortlist
ZIP Code Tabulation Areas (ZCTAs) are Census Bureau approximations of USPS ZIP codes; figures describe the ZCTA area, not any single address within it.