Residential delivery area · Pennsylvania
ZIP Code 17512: Columbia, PA
ZIP code 17512 uses the postal name Columbia, Pennsylvania and lies entirely in Lancaster County (Census 2020 ZIP-county file). About 18,000 people live there (Census Bureau, ACS 2020-2024). Median household income is $66,684 (Census Bureau, ACS 2020-2024). By Census place, 15% of its land lies in Columbia, and 1% in smaller places; 84% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2025
- ZBP2023
- IRS2022
- Town
- Columbia · its only residential ZIP
- County
- Lancaster County
- Census places
- Columbia
- Metro area
- Lancaster, PA
- House district
- PA-11 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 16.0 sq mi · 1,134 people per sq mi
Where is ZIP code 17512?
17512 centers on 40.040°, -76.486° and covers 16.0 square miles of land plus 4.9 of water. It borders 7 ZIP codes: 17554, 17582, 17368, 17552, 17547, 17603, 17601.
The map draws ZIP code areas only. For the streets inside 17512, 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 17512 compare with the rest of Lancaster County?
| Measure | 17512 | In Lancaster County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 18,148 | 10th of 60 | 227th of 1,833 |
| Median household income | $67k | 43rd of 44 | 666th of 1,015 |
| Median home value | $245k | 46th of 47 | 412th of 1,069 |
Its median household income is higher than in 41% of U.S. residential ZIP codes, and it is denser than 79% 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 17512?
The 2020 Census counted 18,267 people in 17512; the ACS, which samples households over 2020-2024, estimates 18,148. Between the 2010 and 2020 censuses its population grew 2.4% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 18,148
- 2020 Census count
- 18,267+2.4% since 2010 (17,836)
- Households
- 7,692
- Median age
- 43.6
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 17512?
Of the 18,148 people the ACS estimates in 17512, 18.7% are under 18 and 24.6% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (73.9%), then Hispanic or Latino (16.2%).
- Under 1818.7%
- 18 to 6456.7%
- 65 and older24.6%
- White, not Hispanic73.9%
- Hispanic or Latino16.2%
- Black, not Hispanic5.4%
- Other or two or more4.3%
- Asian, not Hispanic0.3%
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 17512 earn?
Median household income is $66,684 (ACS 2020-2024), the 43rd highest of the 44 ranked ZIP codes in Lancaster County. It is not measurably different from 2015-2019 ($59,137 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $66,684±$9,694
- Income per person
- $39,740
- Below the poverty line
- 13.3%
- Unemployed (of the labor force)
- 2.1%
- Adults 25+ with a bachelor's degree
- 23.7%
- Adjusted gross income per tax return, 2022
- $61,7479,070 returns; wages 73% 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 17512?
FHFA's house price index for 17512, built from repeat sales and appraisals of the same homes, rose 90% from 2015 to 2025 and rose 55% from 2020 to 2025, and moved +0.5% in 2025.
- Median home value (owners' estimate)
- $245,200
- Median gross rent
- $1,072
- Homes owned by their occupants
- 65.0%
- Housing units
- 8,127
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 17512?
309 business establishments had a location in this ZIP code in 2023, 12 more than in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).
- Other services (except public administration)56
- Retail trade50
- Construction39
- Health care and social assistance32
- Accommodation and food services32
- Professional, scientific, and technical services18
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 17512?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 17554 | Mountville | 7,453 | $98k | 3.3 mi |
| 17582 | Washington Boro | 1,702 | $100k | 3.9 mi |
| 17368 | Wrightsville | 7,005 | $93k | 4.2 mi |
| 17552 | Mount Joy | 19,761 | $98k | 4.9 mi |
| 17547 | Marietta | 9,210 | $92k | 5.6 mi |
| 17603 | Lancaster | 67,571 | $77k | 8.3 mi |
| 17601 | Lancaster | 56,382 | $102k | 9.4 mi |
| 17538 | Landisville | 7,314 | $87k | 4.8 mi (near) |
| 17317 | East Prospect | 466 | $89k | 5.1 mi (near) |
| 17550 | Maytown | 313 | – | 5.7 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.