253 years in pictures
Census counts: 292 in 1870, 251 in 2020. The archive holds 6 old photos and papers going back to 2011 and 4 maps from 1943 on.
- 1773Hartleton is settled
Each edition grades its towns against each other only.

Only 7 of the 1,036 Pennsylvania towns we compare have a lower share of working residents who work in town than Hartleton. 17% of adults 25 and older hold a bachelor’s degree or more in Hartleton, below both the Pennsylvania town median (29%) and the median of U.S. towns (29%). The biggest park or preserve is State Game Lands Number 317, at 20 acres. Hartleton has fewer than 1,000 residents, too few for fair grades; the figures below are still real.
Where Hartleton beats most towns.
In a town this size, neighbors are the best guide. Ask them anything.
Census counts: 292 in 1870, 251 in 2020. The archive holds 6 old photos and papers going back to 2011 and 4 maps from 1943 on.
Who provides power, water and the rest in Hartleton, and how to reach them.
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 Hartleton.
Most working residents leave Hartleton for work: only 1% work in town. The top destinations are Mifflinburg (14%), Hartley Township (8%) and Kelly Township (6%). Half commute less than 25 miles.
| Hartleton | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Average trip to work | 24 minutes | 26 minutes | 25 minutes |
| Below the poverty line | 8.1% | 7.6% | 9.6% |
Census LEHD 2023 · ACS
Expected storm and flood damage is higher than in 70% of U.S. communities.
FEMA National Risk Index · OpenFEMA
Hartleton has chilly, snowy winters and warm summers. July afternoons reach 85°, January nights drop to 20° and about 34 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
Hartleton beats the Pennsylvania average on 0 of 26 CDC measures and trails it on 12. 20% of adults smoke cigarettes in Hartleton, against 17% in Pennsylvania’s towns and 14% across U.S. towns. 19% of Hartleton adults report frequent mental distress.
| Hartleton | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Smoke cigarettes (CDC PLACES) | 20% | 17% | 14% |
| Frequent mental distress (CDC PLACES) | 19% | 16% | 17% |
| Frequent physical distress (CDC PLACES) | 16% | 14% | 14% |
| Depression (CDC PLACES) | 26% | 24% | 23% |
| What stands out | Hartleton | PA |
|---|---|---|
| More uninsured adults | 8.8% | 5.8% |
| More older adults who have lost all their teeth | 19.1% | 14.5% |
| More adults with COPD | 9.8% | 7.7% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
| Hartleton | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Miles of trail per square mile | 0.2 miles per square mile | 0.4 | 0.4 |
| Conserved land | 3.8% | 8.2% | 4.3% |
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. State Game Lands Number 317 | — | 20 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
1 within 15 miles of the center of Hartleton
About 2 of every 100 Hartleton residents are enrolled in college, against 6 across Pennsylvania.
Where Hartleton’s working residents go each day. Line width shows the share.
Census LEHD 2023
Borough in Pennsylvania, US
Hartleton is a borough in Union County, Pennsylvania, United States. The population was 247 at the 2020 census. The borough, as well as the adjoining township of Hartley, are both named for Colonel Thomas Hartley, American politician and Revolutionary War leader, and local landowner. An alternative name was Hartleyton and later shortened to the present name. The original name was Kester's (akin to Keister today), and named for Peter Kester who was the first tenant of Hartley. Kester's was on the "great Reuben Haines road" from Northumberland through Dry Valley, New Berlin and the Penns Valley Narrows, and the first public road laid out in the area by Northumberland County court. The road fr…
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
Short answers, built from the data on this page.
Hartleton has fewer than 1,000 residents, too few for fair grades; the figures below are still real.