Residential delivery area · Pennsylvania
ZIP Code 18066: New Tripoli, PA
ZIP code 18066 uses the postal name New Tripoli, Pennsylvania and lies entirely in Lehigh County (Census 2020 ZIP-county file). About 6,100 people live there (Census Bureau, ACS 2020-2024). Median household income is $109,115 (Census Bureau, ACS 2020-2024). By Census place, 2% of its land lies in New Tripoli (a census-designated place); 98% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- New Tripoli · its only residential ZIP
- County
- Lehigh County
- Census places
- New Tripoli census-designated place
- Metro area
- Allentown-Bethlehem-Easton, PA-NJ
- House district
- PA-7 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 44.1 sq mi · 138 people per sq mi
Where is ZIP code 18066?
18066 centers on 40.664°, -75.740° and covers 44.1 square miles of land plus 0.2 of water. It borders 7 ZIP codes: 18053, 18051, 18078, 19529, 18069, 18211, 19530.
The map draws ZIP code areas only. For the streets inside 18066, open its center on OpenStreetMap.
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries and the 2023 Gazetteer (2020 ZCTAs); ZIP-to-county shares, Census places and House districts (119th Congress) from the Census 2020 relationship files (shares of land); metro area from the OMB delineation (July 2023); town name and time zone from simplemaps US ZIP Codes (CC BY 4.0).
How does 18066 compare with the rest of Lehigh County?
| Measure | 18066 | In Lehigh County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 6,102 | 22nd of 35 | 574th of 1,833 |
| Median household income | $109k | 8th of 27 | 132nd of 1,015 |
| Median home value | $328k | 13th of 28 | 205th of 1,069 |
Its median household income is higher than in 86% of U.S. residential ZIP codes, and it is denser than 58% of all U.S. residential ZIP codes. ZIP codes at the ACS caps ($250,000 or more for household income, $2,000,000 or more for home value) share the top rank.
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B19013, B25077); ranks by PlainZIP over residential ZIP codes (ZCTAs).
How many people live in 18066?
The 2020 Census counted 5,834 people in 18066; the ACS, which samples households over 2020-2024, estimates 6,102. Between the 2010 and 2020 censuses its population fell 2.8% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 6,102
- 2020 Census count
- 5,834−2.8% since 2010 (6,005)
- Households
- 2,331
- Median age
- 43.7
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01003, B01002, B11001); 2020 Census (DHC P1); 2010 Census (SF1 P1).
Who lives in 18066?
Of the 6,102 people the ACS estimates in 18066, 19.4% are under 18 and 18.5% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (92.3%).
- Under 1819.4%
- 18 to 6462.0%
- 65 and older18.5%
- White, not Hispanic92.3%
- Other or two or more4.1%
- Hispanic or Latino2.1%
- Black, not Hispanic1.2%
- Asian, not Hispanic0.2%
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B01001 age by sex, B03002 Hispanic or Latino origin by race); shares of the estimated population, small ZIP codes carry wide margins.
What do households in 18066 earn?
Median household income is $109,115 (ACS 2020-2024), the 8th highest of the 27 ranked ZIP codes in Lehigh County. It is not measurably different from 2015-2019 ($115,825 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $109,115±$12,599
- Income per person
- $53,653
- Below the poverty line
- 3.0%
- Unemployed (of the labor force)
- 2.5%
- Adults 25+ with a bachelor's degree
- 35.8%
- Adjusted gross income per tax return, 2022
- $99,4323,080 returns; wages 68% of AGI (IRS)
Source: U.S. Census Bureau, ACS 2020-2024 and 2015-2019 5-year estimates (B19013, B19301, B17001, B23025, B15003; 2015-2019 dollars converted with the BLS CPI-U, 1.22699); IRS Statistics of Income, ZIP code data, tax year 2022 (adjusted gross income per return, filed under the address on the return).
What are homes worth in 18066?
FHFA's house price index for 18066, built from repeat sales and appraisals of the same homes, rose 67% from 2015 to 2025 and rose 43% from 2020 to 2025, and moved +0.4% in 2025.
- Median home value (owners' estimate)
- $328,400
- Median gross rent
- $1,141
- Homes owned by their occupants
- 86.2%
- Housing units
- 2,435
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates (B25077, B25064, B25003, B25001); FHFA House Price Index, annual five-digit ZIP, updated 2026-03-31.
What businesses are in 18066?
106 business establishments had a location in this ZIP code in 2023, 2 fewer than in 2018; the most are in construction (ZIP Code Business Patterns).
- Construction22
- Other services (except public administration)22
- Retail trade13
- Professional, scientific, and technical services7
- Administrative and support and waste management and remediation services7
- Accommodation and food services7
Source: U.S. Census Bureau, ZIP Code Business Patterns 2023 and 2018 (establishments with paid employees, by the business's ZIP code).
Which ZIP codes are next to 18066?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 18053 | Germansville | 2,344 | $83k | 4.2 mi |
| 18051 | Fogelsville | 3,624 | $140k | 6.1 mi |
| 18078 | Schnecksville | 7,857 | $121k | 6.3 mi |
| 19529 | Kempton | 3,109 | $94k | 6.4 mi |
| 18069 | Orefield | 8,515 | $118k | 7.1 mi |
| 18211 | Andreas | 1,207 | $79k | 7.3 mi |
| 19530 | Kutztown | 15,573 | $72k | 8.9 mi |
| 18079 | Slatedale | 303 | $96k | 7.0 mi (near) |
| 18080 | Slatington | 11,226 | $75k | 7.0 mi (near) |
| 18065 | Neffs | 577 | – | 7.1 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.