Each edition grades its towns against each other only.
4,925 residents make their home in this town in Pennsylvania.
Londonderry Township does well on nearly every count. The town grades A overall and ranks 191st of 1032 in Pennsylvania. On that grade it does better than 90% of U.S. towns. Its strongest subject is incomes: the median household earns $92K. At about $242K, a typical home costs 3 years of the Harrisburg metro’s $81K median household income. Add schools to its strengths: its public schools beat 71% of Pennsylvania towns on state tests and graduation. 14% of the land here is conserved, above both the Pennsylvania town median (8.2%) and the median of U.S. towns (4.3%). Henry Smith Farm is on the National Register of Historic Places.
Figures: incomes, Census ACS, 2020–24 · schools, state test and graduation results · home values, Zillow · USGS PAD-US · National Register of Historic Places.
Where Londonderry Township beats most towns.
Where Londonderry Township’s working residents go each day. Line width shows the share.
Census LEHD 2023
Each subject compared with towns across the country (schools within Pennsylvania), ordered by how far Londonderry Township is from typical.
How TownRatings grades towns →
The archive holds 9 old photos and papers going back to 2014 and 6 maps from 1908 on.
1 place on the National Register of Historic Places.
Explore the history →Museums, parks, gardens and other places to visit around Londonderry Township. Close and well known come first.
8 mi Theme parkHersheypark3.1M visitors a year
25 mi National MonumentCarlisle Federal Indian Boarding School National Monument
8 mi Stadium & arenaHersheypark Stadium
7 mi MuseumHershey's Chocolate World
8 mi Stadium & arenaHersheypark Arena
38 mi Ancient siteGettysburg BattlefieldHersheypark: Epicgenius, CC BY-SA 4.0 · Carlisle Federal Indian Boarding School National Monument: Unknown authorUnknown author, Public domain · Hersheypark Stadium: 45BearsFan, CC BY-SA 4.0 · Hershey's Chocolate World: Phillyfan0419, CC BY-SA 3.0 · Hersheypark Arena: Hersheyarena4ever at English Wikipedia, Public domain · Gettysburg Battlefield: Veggies, Public domain
Who provides power, water and the rest in Londonderry Township, 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 Londonderry Township.
Half the trips to work are shorter than 11 miles. Employers in Londonderry Township added 237 jobs between 2013 and 2023, to 1,078. Only 3% of working residents stay in Londonderry Township for work; the rest commute out. The top destinations are Derry Township (14%), Harrisburg (8%) and Lower Swatara Township (6%).
| Londonderry Township | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Median household income | $92,000 | $81,000 | $80,000 |
| Working residents who work in town | 3.3% | 6.3% | 8% |
| Average trip to work | 24 minutes | 26 minutes | 25 minutes |
Census LEHD 2023 · ACS
Its one school is below. Public schools: Lower Dauphin SD. 234 students attend Londonderry Township’s public school.
| School | Level | Students | Letter |
|---|---|---|---|
| Londonderry El SchLargest public elementary schoolGrades K–5 | Grades K–5 | 234 | B− |
NCES · EDFacts · graded within PA on state tests and graduation
9.7 miles of trail wind through 3 parks and preserves. The biggest place to walk is State Game Lands Number 246, 419 acres with 2.9 miles of trail. Londonderry Township’s trail density comes in at 0.4 miles per square mile.
| Biggest places to walk | Trails | Acres |
|---|---|---|
| 1. State Game Lands Number 246 | 2.9 mi | 419 |
| 2. Canal Lock Boat Launch | — | 6 |
| 3. Susquehanna Street Park | — | 5 |
Trails & parks © OpenStreetMap contributors · Conserved land: USGS PAD-US
In Londonderry Township, 18% of adults binge drink. Nearly a third of adults locally have high blood pressure; 32% have obesity.
| Londonderry Township | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Sleep under 7 hours (CDC PLACES) | 39% | 38% | 36% |
| High blood pressure (CDC PLACES) | 32% | 34% | 35% |
| Obesity (CDC PLACES) | 32% | 35% | 35% |
| Binge drink (CDC PLACES) | 18% | 18% | 16% |
| What stands out | Londonderry Township | PA |
|---|---|---|
| More uninsured adults | 7.3% | 5.8% |
CDC PLACES 2025 · modeled estimates for adults · CMS · HRSA
Children under 18 are 29% of residents (21% statewide); adults 18 to 34 are 17% of residents (22% statewide). 26% of adults 25 and older have a bachelor’s degree or more, vs 35% across Pennsylvania. For residents in Londonderry Township, the share who are 65 or older is 17%.
| Londonderry Township | Pennsylvania towns | U.S. towns | |
|---|---|---|---|
| Aged 65 or older | 17% | 21% | 18% |
| Bachelor’s degree or more, 25+ | 26% | 29% | 29% |
| Median age | 40.5 years | 43.2 years | 40.5 years |
49% women, 51% men
That’s an even split within the survey’s margin of ±3.8 points. Across Pennsylvania, 50.7% of residents are women.
| Londonderry Township | PA | U.S. | |
|---|---|---|---|
| Under 10 | 19.5% | 10.8% | 11.6% |
| 10 to 17 | 9.5% | 9.7% | 10.3% |
| 18 to 24 | 6.6% | 9% | 9.1% |
| 25 to 34 | 10.4% | 13% | 13.7% |
| 35 to 44 | 9.9% | 12.6% | 13.2% |
| 45 to 54 | 9.6% | 11.9% | 12.2% |
| 55 to 64 | 17.4% | 13.6% | 12.7% |
| 65 to 74 | 11.1% | 11.4% | 10.2% |
| 75 and older | 6.1% | 8.1% | 7% |
| No diploma | 3.7% | 7.9% | 10.4% |
| High school | 46.2% | 32.9% | 26% |
| Some college | 15.5% | 15.1% | 19.1% |
| Associate’s | 9% | 8.9% | 8.8% |
| Bachelor’s | 19.1% | 20.9% | 21.6% |
| Graduate | 6.5% | 14.3% | 14.1% |
U.S. Census Bureau · ACS 2020-2024 5-year estimates · in a town of 4,900, single groups can be off by several points
In July, afternoons reach 86°; in January, nights fall to 22°, and about 24 inches of snow falls in a winter.
NOAA U.S. Climate Normals, 1991–2020
The national flood insurance program has paid 224 claims in Londonderry Township since 1978. Expected damage from storms and floods is higher here than in just over half of U.S. communities. Federal aid has come to Londonderry Township households in 2 declared disasters; the latest was in 2011. 73% of the town’s expected losses from natural hazards come from inland flooding, followed by hurricanes at 8%.
FEMA flood insurance claims · FEMA disaster declarations and aid · FEMA National Risk Index · OpenFEMA
5 within 15 miles of the center of Londonderry Township
About 6 of every 100 Londonderry Township residents are enrolled in college, about the same as Pennsylvania.
Township in Pennsylvania, US
Londonderry Township is a township in Dauphin County, Pennsylvania, United States. The population was 4,899 at the 2020 census. The township includes the Three Mile Island Nuclear Generating Station, the location of the largest accident in the history of the American nuclear power generating industry, which took place in 1979. The nuclear power plant closed in 2019.
From Wikipedia, licensed CC BY-SA 4.0 · facts via Wikidata (CC0)
10 towns share a border with Londonderry Township.
It grades higher overall than all 6 graded towns on its borders; Mount Joy Township (A−) comes closest.
| Town | PA rank | Overall | Cost | Safety | Schools | Health |
|---|---|---|---|---|---|---|
| Londonderry Township | #191 | A | B | — | B+ | B+ |
| Conoy Township | #486 | B+ | C | — | A− | B+ |
| West Donegal Township | #582 | B | D | — | A− | A− |
| Newberry Township | #430 | B+ | B+ | B | B | B |
| Middletown | #819 | C+ | B− | B− | C | C+ |
| Mount Joy Township | #300 | A− | C+ | — | B+ | A− |
| Lower Swatara Township | #409 | B+ | B− | A− | C | B |
| Goldsboro | — | — | — | — | — | — |
Londonderry Township, Conoy Township, West Donegal Township and Mount Joy Township report no FBI crime data of their own. Goldsboro isn’t graded (fewer than 1,000 residents, or not enough data). Compare Londonderry Township with a neighbor →
Short answers, built from the data on this page.
By most measures, yes. Londonderry Township grades A overall, better than 90% of U.S. towns and #191 of 1032 in Pennsylvania. It grades B+ for health and B+ for schools.
Cost of living, which also weighs rents, property taxes and how many households pay 30% or more of their income for housing, grades B.
