Residential delivery area · Pennsylvania
ZIP Code 18915: Colmar, PA
ZIP code 18915 uses the postal name Colmar, Pennsylvania and lies entirely in Montgomery County (Census 2020 ZIP-county file). About 1,600 people live there (Census Bureau, ACS 2020-2024). Median household income is $141,696 (Census Bureau, ACS 2020-2024). By Census place, 9% of its land lies in Montgomeryville (a census-designated place); 91% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Colmar · its only residential ZIP
- County
- Montgomery County
- Census places
- Montgomeryville census-designated place
- Metro area
- Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
- House district
- PA-1 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 1.2 sq mi · 1,373 people per sq mi
Where is ZIP code 18915?
18915 centers on 40.273°, -75.256° and covers 1.2 square miles of land. It borders 4 ZIP codes: 18932, 19440, 18914, 19446.
The map draws ZIP code areas only. For the streets inside 18915, 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 18915 compare with the rest of Montgomery County?
| Measure | 18915 | In Montgomery County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 1,648 | 57th of 70 | 1,008th of 1,833 |
| Median household income | $142k | 16th of 55 | 43rd of 1,015 |
| Median home value | $534k | 18th of 58 | 49th of 1,069 |
Its median household income is higher than in 95% of U.S. residential ZIP codes, and it is denser than 81% 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 18915?
The 2020 Census counted 1,668 people in 18915; the ACS, which samples households over 2020-2024, estimates 1,648. Its boundary changed between the 2010 and 2020 censuses, so the two counts are not compared.
- People, ACS 2020-2024
- 1,648±417 (90% margin)
- 2020 Census count
- 1,668
- Households
- 603
- Median age
- 44.7
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 18915?
Of the 1,648 people the ACS estimates in 18915, 20.2% are under 18 and 22.8% are 65 or older. The largest group by race and Hispanic origin is Asian (not Hispanic) (45.4%), then White (not Hispanic) (43.3%).
- Under 1820.2%
- 18 to 6457.0%
- 65 and older22.8%
- Asian, not Hispanic45.4%
- White, not Hispanic43.3%
- Hispanic or Latino4.8%
- Black, not Hispanic3.9%
- Other or two or more2.5%
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 18915 earn?
Median household income is $141,696 (ACS 2020-2024), the 16th highest of the 55 ranked ZIP codes in Montgomery County.
- Median household income
- $141,696±$32,156
- Income per person
- $68,536
- Below the poverty line
- 2.8%
- Unemployed (of the labor force)
- 0.0%
- Adults 25+ with a bachelor's degree
- 60.9%
- Adjusted gross income per tax return, 2022
- $107,401960 returns; wages 76% 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 18915?
FHFA's house price index for 18915, built from repeat sales and appraisals of the same homes, rose 71% from 2015 to 2025 and rose 44% from 2020 to 2025.
- Median home value (owners' estimate)
- $534,300
- Median gross rent
- $1,473
- Homes owned by their occupants
- 92.2%
- Housing units
- 603
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 18915?
158 business establishments had a location in this ZIP code in 2023, 6 more than in 2018; the most are in retail trade (ZIP Code Business Patterns).
- Retail trade25
- Health care and social assistance21
- Wholesale trade16
- Construction15
- Professional, scientific, and technical services15
- Manufacturing13
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 18915?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 18932 | Line Lexington | 436 | – | 1.4 mi |
| 19440 | Hatfield | 19,431 | $99k | 2.0 mi |
| 18914 | Chalfont | 21,598 | $149k | 2.7 mi |
| 19446 | Lansdale | 61,848 | $106k | 3.8 mi |
| 19454 | North Wales | 27,755 | $118k | 3.3 mi (near) |
| 18936 | Montgomeryville | 296 | $250k+ | 3.5 mi (near) |
| 18927 | Hilltown | 239 | – | 3.7 mi (near) |
| 18964 | Souderton | 14,546 | $96k | 4.8 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.