170 years in pictures
The archive holds 1 old photo or paper going back to 2014 and 4 maps from 1942 on.
- 1856Slatedale is settled
Each edition grades its towns against each other only.

A town settled in 1856, now home to 303 people.
No town among the 1,036 in Pennsylvania we compare has a higher share of homes lived in by their owners than Slatedale. 27% of the land in Slatedale is conserved, above both Pennsylvania’s towns (8.2%) and U.S. towns (4.3%). Slatedale has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
In a town this size, neighbors are the best guide. Ask them anything.
The archive holds 1 old photo or paper going back to 2014 and 4 maps from 1942 on.
Museums, parks, gardens and other places to visit around Slatedale. Close and well known come first.
13 mi Theme parkDorney Park & Wildwater Kingdom
14 mi Stadium & arenaPPL Center9 mi Ski areaBlue Mountain Resort44 runs · 1,077 ft vertical
24 mi Park & preserveLehigh River
9 mi MuseumAsa Packer Mansion
20 mi State parkHickory Run State ParkDorney Park & Wildwater Kingdom: Coasterman1234 at en.wikipedia, CC BY-SA 3.0 · PPL Center: Hunter Kahn, CC BY-SA 3.0 · Lehigh River: The original uploader was Malepheasant at English Wikipedia., CC BY-SA 2.0 · Asa Packer Mansion: Chris18240 (talk), Public domain · Hickory Run State Park: Mtruch, CC BY-SA 3.0
Slatedale is unincorporated, so Lehigh County and regional agencies provide most services.
EPA SDWIS (Oct 9, 2026) · HIFLD + EIA-861 2025 · Census 2020 ZCTAs · NCES 2024–25 · registration: vote.gov, updated Nov 18, 2024.
Ordered by what stands out in Slatedale.
0.1 miles of trail in 1 park or preserve. Slatedale’s concentration of trails is 0.3 miles per square mile.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. Slatedale Playground | — | 1 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
Slatedale’s middle household income is put at $96,000. For half of commuters, work is under 14 miles away. The top destinations are Allentown (10%), Upper Macungie Township (9%) and North Whitehall Township (5%).
| Slatedale | Typical Pennsylvania town | Typical U.S. town | |
|---|---|---|---|
| Median household income | $96,000 | $81,000 | $80,000 |
| Average trip to work | 25 minutes | 26 minutes | 25 minutes |
Census LEHD 2023 · ACS
A winter brings about 27 inches of snow, with January nights at 19° and July afternoons at 85°.
NOAA U.S. Climate Normals, 1991–2020
Expected losses in Slatedale break down as 54% from inland flooding and 24% from cold waves. FEMA expects less storm and flood damage locally than in 63% of U.S. communities.
FEMA National Risk Index · OpenFEMA
For adults in Slatedale, the share who get no exercise outside work is 21%. Against the Pennsylvania average, Slatedale comes out ahead on 4 CDC measures out of 26, and behind on 2.
| Slatedale | Typical Pennsylvania town | Typical U.S. town | |
|---|---|---|---|
| Frequent mental distress (CDC PLACES) | 15% | 16% | 17% |
| Sleep under 7 hours (CDC PLACES) | 34% | 38% | 36% |
| Get no exercise (CDC PLACES) | 21% | 24% | 25% |
| Fair or poor health (CDC PLACES) | 16% | 19% | 19% |
| What stands out | Slatedale | PA |
|---|---|---|
| Fewer older adults who have lost all their teeth | 8.3% | 14.5% |
| Fewer adults in fair or poor health | 16% | 18.7% |
| More adults who have had cancer | 10.4% | 8.8% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Zillow Home Value Index · Redfin Data Center
3 within 15 miles of the center of Slatedale
About 5 of every 100 Slatedale residents are enrolled in college, about the same as Pennsylvania.
Where Slatedale’s working residents go each day. Line width shows the share.
Census LEHD 2023
Unincorporated community in Pennsylvania, US
Slatedale is an unincorporated community and census-designated place (CDP) in Washington Township, Lehigh County, Pennsylvania. As of the 2010 census, it had a population of 455. It is part of the Lehigh Valley, which had a population of 861,899 and was the 68th-most populous metropolitan area in the U.S. as of the 2020 census.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Slatedale has fewer than 1,000 residents, too few for fair grades; the figures below are still real.