Residential delivery area · Pennsylvania

ZIP Code 16421: Harborcreek, PA

ZIP code 16421 uses the postal name Harborcreek, Pennsylvania and lies entirely in Erie County (Census 2020 ZIP-county file). About 2,300 people live there (Census Bureau, ACS 2020-2024). Median household income is $64,091 (Census Bureau, ACS 2020-2024). Its land lies outside any incorporated or census-designated place.

  • ACS2020-24
  • Census2020
  • FHFA2025
  • ZBP2023
  • IRS2022
1national area: Pennsylvania, Delaware and New York
164sectional center: Pittsburgh, PA (SCF 150)
21delivery area within it
Town
Harborcreek · its only residential ZIP
Metro area
Erie, PA
House district
PA-16 119th Congress
Time zone
Eastern
Land area
10.5 sq mi · 217 people per sq mi

Where is ZIP code 16421?

16421 centers on 42.170°, -79.940° and covers 10.5 square miles of land plus 0.0 of water. It borders 3 ZIP codes: 16511, 16510, 16428.

16428 · North East16510 · Erie16511 · Erie16421 · Harborcreek (this ZIP)1642116428165101651116428 · North East16510 · Erie16511 · Erie16421 · Harborcreek (this ZIP)1642116428165101651116428 · North East16510 · Erie16511 · Erie16421 · Harborcreek (this ZIP)16421164281651016511
Shaded by median household income, in national fifths (ACS 2020-2024); 16421 outlined. Census 2020 ZCTA boundaries. <$54.1k$98.1k+no figure

The map draws ZIP code areas only. For the streets inside 16421, 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 16421 compare with the rest of Erie County?

Rank of 16421 among the residential ZIP codes of its town, county and state (1 = the most; income and home value among ZIP codes of 1,000+ people living in households)
Measure16421In Erie CountyIn PA
People (ACS 2020-2024)2,28923rd of 34904th of 1,833
Median household income$64k19th of 26720th of 1,015
Median home value$224k5th of 25516th of 1,069

Its median household income is higher than in 37% of U.S. residential ZIP codes, and it is denser than 63% 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 16421?

The 2020 Census counted 2,351 people in 16421; the ACS, which samples households over 2020-2024, estimates 2,289. Between the 2010 and 2020 censuses its population fell 6.6% (its boundary stayed at least 90% the same).

People, ACS 2020-2024
2,289±430 (90% margin)
2020 Census count
2,351−6.6% since 2010 (2,518)
Households
952
Median age
50.6

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 16421?

Of the 2,289 people the ACS estimates in 16421, 17.0% are under 18 and 29.0% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (93.9%).

  • Under 1817.0%
  • 18 to 6454.0%
  • 65 and older29.0%
Age of the people of 16421 (ACS 2020-2024, B01001)
  • White, not Hispanic93.9%
  • Other or two or more5.1%
  • Hispanic or Latino0.9%
  • Asian, not Hispanic0.1%
  • Black, not Hispanic0.0%
Race and Hispanic origin in 16421 (ACS 2020-2024, B03002); each person counted once

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 16421 earn?

Median household income is $64,091 (ACS 2020-2024), the 19th highest of the 26 ranked ZIP codes in Erie County. It fell from $92,102 in 2015-2019 (in 2024 dollars), a change larger than the surveys' margins of error.

Median household income
$64,091±$11,855
Income per person
$40,937
Below the poverty line
16.6%
Unemployed (of the labor force)
3.2%
Adults 25+ with a bachelor's degree
23.8%
Adjusted gross income per tax return, 2022
$67,7211,200 returns; wages 67% 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 16421?

FHFA's house price index for 16421, built from repeat sales and appraisals of the same homes, rose 94% from 2015 to 2025 and rose 57% from 2020 to 2025.

Median home value (owners' estimate)
$224,200
Median gross rent
$652
Homes owned by their occupants
65.0%
Housing units
952
0 50 100 150 200 250 1998201020202025 0 50 100 150 200 250 1998201020202025 0 50 100 150 200 250 1998201020202025
Index = 100 in 1998, the first year FHFA reports for 16421; 2025: 273.8. Annual, not seasonally adjusted; FHFA calls its ZIP-level indexes developmental.

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 16421?

50 business establishments had a location in this ZIP code in 2023, the same count as in 2018; the most are in other services (except public administration) (ZIP Code Business Patterns).

  • Other services (except public administration)10
  • Construction6
  • Retail trade6
  • Transportation and warehousing6
  • Health care and social assistance6
  • Accommodation and food services4

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 16421?

ZIP codes that share a boundary with 16421, then the nearest by center
ZIPTownPeopleHousehold incomeDistance
16511Erie11,776$74k3.4 mi
16510Erie24,198$67k4.3 mi
16428North East12,595$79k5.6 mi
16563Erie1,607–4.3 mi (near)
16503Erie15,753$32k6.9 mi (near)
16504Erie15,931$57k7.0 mi (near)
16546Erie929–7.4 mi (near)
16507Erie8,597$33k7.7 mi (near)

Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.