US ZIP Code
17840

Locust Gap, PA

Northumberland County  ·  Pennsylvania

● Active
👥 197 Population ↓ 67% since 2019
💰 $69,087 Median HH Income
▼ 9% below avg ↑ 22% since 2019
🎂 63.1 Median Age ↑ 50% since 2019
🎓 4.0% College Grads
▼ 90% below avg
📊 0.0% Unemployment
▼ 100% below avg ↓ 100% since 2019
ZIP Code Details
ZIP Code17840
CityLocust Gap
StatePennsylvania (PA)
CountyNorthumberland County
Area Code272/570
Elevation1,211 ft
Latitude40.774452
Longitude-76.426433
TimezoneNew York (DST)
FIPS42097
ZIP TypeStandard
StatusActive
People & Population (ACS 2023)
♂ Male 50.3% (99) Female 49.8% (98) ♀

Race & Ethnicity

White: 100%Race
White100.0%

Age Breakdown

Under 5
17%
5–17
8%
25–44
13%
45–64
18%
65+
6%

Key Indicators

Median Age63.1 yrs ↑ 50% since 2019
Avg Household Size2.86
Below Poverty0.0% ▼ 100% below avg
College Grads4.0% ▼ 90% below avg
Unemployment0.0% ▼ 100% below avg
HS Graduate77 (51.7%)
Some College51 (34.2%)
Associates15 (10.1%)
Bachelors6 (4%)

Education

HS Grad: 51.7%Some College: 34.2%Associates: 10.1%Bachelors: 4%Edu
HS Grad51.7%
Some College34.2%
Associates10.1%
Bachelors4.0%
Housing & Income

Housing Tenure

Owner: 85.5%Renter: 14.5%Tenure
Owner85.5%
Renter14.5%

Home Value Distribution

Under $50k
68%
$50k–100k
10%
$300k–500k
22%

Financials

Median HH Income$69,087 ▼ 9% below avg ↑ 22% since 2019
Total Units136
Vacant Units67
Avg HH Size2.86

Income Distribution

$25k–50k
11%
$50k–75k
50%
$75k–100k
14%
$100k–150k
25%
Employment & Commute

How People Get to Work

Drove Alone
100%

Commute Time

Under 15 min
13%
15–30 min
21%
30–45 min
19%
Over 45 min
47%
Housing Stock

Year Built

Before 1940
8%
1960s–1970s
11%
1980s–1990s
8%
2000+
74%

Summary

Total Units136
Vacant67
Owner Occupied85.5%
Renter Occupied14.5%
Avg HH Size2.86
Frequently Asked Questions
ZIP code 17840 is in Locust Gap, PA, in Northumberland County.
ZIP code 17840 is located in Pennsylvania (PA).
ZIP code 17840 is in Northumberland County, PA.
ZIP 17840 observes the New York timezone. Daylight Saving Time is observed.
The estimated population of ZIP code 17840 is 197 people (ACS 2023).
The median household income in ZIP code 17840 is $69,087 (ACS 2023).
Home value data not available.
About ZIP Code 17840

ZIP code 17840 is located in Locust Gap, Pennsylvania, within Northumberland County. With a population of 197, this is a sparsely populated ZIP code with an older community — the median age is 63.1 years. Economically, 17840 is a solidly middle-class ZIP code: the median household income of $69,087 is near the national average.

The population of 17840 is primarily White (100.00%). Residents are less-educated — 4.0% hold a bachelor's degree or higher, which is well below the national average. Household income has grown by 22% since 2019.

Overall, ZIP code 17840 in Locust Gap, PA is characterized as solidly middle-class, less-educated, an older community, and predominantly owner-occupied.