Residential delivery area · Pennsylvania
ZIP Code 17866: Coal Township, PA
ZIP code 17866 uses the postal name Coal Township, Pennsylvania and lies entirely in Northumberland County (Census 2020 ZIP-county file). About 9,800 people live there (Census Bureau, ACS 2020-2024). Median household income is $51,010 (Census Bureau, ACS 2020-2024). By Census place, its land lies in Fairview-Ferndale (4%), Marshallton (4%), Edgewood (2%), Ranshaw (under 1%) and Tharptown (Uniontown) (under 1%); 89% is outside any Census place.
- ACS2020-24
- Census2020
- FHFA2024
- ZBP2023
- IRS2022
- Town
- Coal Township · its only residential ZIP
- County
- Northumberland County
- Census places
- Fairview-Ferndale (4%) census-designated place; Marshallton (4%) census-designated place; Edgewood (2%) census-designated place; Ranshaw (under 1%) census-designated place
- Micro area
- Sunbury, PA
- House district
- PA-9 119th Congress
- State
- Pennsylvania
- Time zone
- Eastern
- Land area
- 24.4 sq mi · 401 people per sq mi
Where is ZIP code 17866?
17866 centers on 40.771°, -76.596° and covers 24.4 square miles of land plus 0.1 of water. It borders 5 ZIP codes: 17860, 17872, 17834, 17824, 17851.
The map draws ZIP code areas only. For the streets inside 17866, 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 17866 compare with the rest of Northumberland County?
| Measure | 17866 | In Northumberland County | In PA |
|---|---|---|---|
| People (ACS 2020-2024) | 9,769 | 5th of 28 | 426th of 1,833 |
| Median household income | $51k | 14th of 15 | 954th of 1,015 |
| Median home value | $88k | 14th of 16 | 1,037th of 1,069 |
Its median household income is higher than in 16% of U.S. residential ZIP codes, and it is denser than 70% 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 17866?
The 2020 Census counted 10,105 people in 17866; the ACS, which samples households over 2020-2024, estimates 9,769. Between the 2010 and 2020 censuses its population fell 2.0% (its boundary stayed at least 90% the same).
- People, ACS 2020-2024
- 9,769
- 2020 Census count
- 10,105−2.0% since 2010 (10,310)
- Households
- 3,575
- Median age
- 44.4
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 17866?
Of the 9,769 people the ACS estimates in 17866, 11.2% are under 18 and 19.8% are 65 or older. The largest group by race and Hispanic origin is White (not Hispanic) (76.0%), then Black (not Hispanic) (16.5%).
- Under 1811.2%
- 18 to 6469.0%
- 65 and older19.8%
- White, not Hispanic76.0%
- Black, not Hispanic16.5%
- Hispanic or Latino5.1%
- Other or two or more2.3%
- Asian, not Hispanic0.1%
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 17866 earn?
Median household income is $51,010 (ACS 2020-2024), the 14th highest of the 15 ranked ZIP codes in Northumberland County. It is not measurably different from 2015-2019 ($45,831 in 2024 dollars): the change is within the surveys' margins of error.
- Median household income
- $51,010
- Income per person
- $25,108
- Below the poverty line
- 14.1%
- Unemployed (of the labor force)
- 6.0%
- Adults 25+ with a bachelor's degree
- 9.0%
- Adjusted gross income per tax return, 2022
- $50,5373,610 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 17866?
- Median home value (owners' estimate)
- $88,300
- Median gross rent
- $745
- Homes owned by their occupants
- 79.8%
- Housing units
- 4,047
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 17866?
113 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 trade21
- Health care and social assistance20
- Other services (except public administration)16
- Accommodation and food services14
- Administrative and support and waste management and remediation services9
- Construction8
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 17866?
| ZIP | Town | People | Household income | Distance |
|---|---|---|---|---|
| 17860 | Paxinos | 2,332 | $92k | 4.7 mi |
| 17872 | Shamokin | 8,894 | $49k | 4.9 mi |
| 17834 | Kulpmont | 3,480 | $56k | 6.8 mi |
| 17824 | Elysburg | 3,949 | $118k | 8.6 mi |
| 17851 | Mount Carmel | 7,234 | $54k | 9.2 mi |
| 17836 | Leck Kill | 190 | $91k | 4.0 mi (near) |
| 17881 | Trevorton | 1,479 | $54k | 4.8 mi (near) |
| 17941 | Klingerstown | 733 | $64k | 5.9 mi (near) |
| 17867 | Rebuck | 239 | $76k | 6.3 mi (near) |
| 17964 | Pitman | 952 | $78k | 6.4 mi (near) |
Source: PlainZIP from the Census 2020 ZCTA boundaries (shared edges) and internal points; figures ACS 2020-2024.