Zip Code 17057
Middletown, Pennsylvania — Dauphin County
📍 ZIP code 17057 is in Middletown, Dauphin County, Pennsylvania.
ZIP code 17057 is located in Middletown, Dauphin County, Pennsylvania. It is a zip code in the Eastern (EST/EDT) Time Zone with an estimated population of 23,143. The area code for ZIP code 17057 is 717.
Quick Answer
Zip code 17057 is in Middletown, Pennsylvania (Dauphin County). It has a population of 23,143, median household income of $70,536, and median home value of $187,300.
Population
23,143
Income
$70,536
Home Value
$187,300
Climate
87°F / 23°F
About Zip Code 17057
Zip code 17057 is located in Middletown, Pennsylvania, within Dauphin County. Home to approximately 23,143 residents, this area sits at an elevation of 307 ft and falls within the Eastern (EST/EDT) timezone. The local area code is 717.
The median household income is $70,536 per year, which is below the national median of $70,784. Homes in this zip code have a median value of $187,300, and the cost of living index is 73 (27% below the national average of 100).
Summers average a high of 87°F while winters drop to 23°F. The area receives about 44 in of rain and 30 in of snow annually. The zip code covers 32.3 square miles of land area and 6.7 square miles of water.
Key Statistics
23,143
$70,536
$187,300
Eastern (EST/EDT)
717
307 ft
32.3 sq mi
38.8
10,513
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Compare With Nearby Zip Codes
| Metric | 17057 | 17034 | 17319 | 17036 | 17370 | 17113 |
|---|---|---|---|---|---|---|
| City | Middletown, PA | Highspire, PA | Etters, PA | Hummelstown, PA | York, PA | Steelton, PA |
| Population | 23,143 | 2,988 | 10,990 | 22,487 | 6,970 | 11,786 |
| Median Income | $70,536 | $51,717 | $101,610 | $105,043 | $86,722 | $60,554 |
| Home Value | $187,300 | $120,100 | $230,100 | $316,900 | $220,900 | $141,300 |
| Cost of Living | 73 | 60 | 97 | 119 | 93 | 61 |
| Median Age | 38.8 | 34.1 | 38.9 | 41.6 | 40.2 | 39.3 |
Cost of Living
100 = National Average. Middletown's cost of living is 27% below the national average.
vs. State Avg
Below
Affordability
Very Affordable
Income-to-Home
2.7x
Demographics
Zip code 17057 has a population of 23,143 people with a median age of 38.8. There are 10,513 housing units in this area.
Racial & Ethnic Composition
Source: U.S. Census Bureau American Community Survey estimates.
Population History
Middletown (17057) population trend from 2010 to 2024
↑ 53.2%Source: U.S. Census Bureau estimates and American Community Survey data.
Climate & Weather
87°F
23°F
44 in
30 in
Middletown experiences warm summers with average highs around 87°F. Winters are cool with lows averaging 23°F. The area receives about 30 in of snow per year.
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Housing & Economy
Median Home Value
$187,300
Median Household Income
$70,536
With 10,513 housing units across 32.3 square miles, 17057 has a housing density of 325 units per square mile. The home price-to-income ratio is 2.7x.
Location & Geography
Latitude
40.1936°
Longitude
-76.7246°
Land Area
32.3 sq mi
Water Area
6.7 sq mi
Nearby Zip Codes
Zip codes closest to 17057 (Middletown, PA) with distances:
ZIP Codes with Similar Income Nationwide
The five U.S. ZIP codes whose median household income is closest to 17057's $70,536. A way to compare Middletown to economically similar communities elsewhere in the country.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
ZIP Codes with Similar Demographics
The five U.S. ZIP codes whose racial and ethnic composition most closely matches 17057 (Middletown, PA). Similarity is measured by cosine distance on the five-category ACS demographic vector.
Computed from U.S. Census Bureau ACS 5-Year Estimates by the Zip Code Near Me Data Team.
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People Also Ask
What zip code is Middletown, Pennsylvania?
Middletown, Pennsylvania uses zip code 17057.
What county is zip code 17057 in?
Zip code 17057 is located in Dauphin County, Pennsylvania.
What is the population of zip code 17057?
The population of zip code 17057 is 23,143 with a median age of 38.8.
Is 17057 in Middletown, Pennsylvania?
Yes, zip code 17057 is in Middletown, Dauphin County, Pennsylvania. The area code is 717.
Frequently Asked Questions
What city is zip code 17057 in?
Zip code 17057 is in Middletown, Pennsylvania. It is part of Dauphin County and uses the Eastern (EST/EDT) timezone.
What is zip code 17057?
Zip code 17057 is a U.S. postal code in Middletown, Pennsylvania (Dauphin County). It has a population of 23,143 and covers 32.3 square miles.
What is the population of zip code 17057?
The population of zip code 17057 (Middletown, PA) is 23,143 with a median age of 38.8. There are approximately 10,513 housing units in this area.
What is the median income in zip code 17057?
The median household income in zip code 17057 (Middletown, PA) is $70,536 per year. The cost of living index is 73 (100 = national average).
What is the average home price in zip code 17057?
The median home value in zip code 17057 (Middletown, PA) is $187,300. The cost of living index is 73 compared to the national average of 100.
What county is zip code 17057 in?
Zip code 17057 is located in Dauphin County, Pennsylvania. The primary city is Middletown.
What is the area code for zip code 17057?
Zip code 17057 in Middletown, PA uses area code 717. It is located in the Eastern (EST/EDT) timezone.
Is zip code 17057 a good place to live?
Zip code 17057 (Middletown, PA) has a cost of living index of 73 (100 = national average), a median household income of $70,536, and median home values of $187,300. The median age is 38.8. Visit the full page for demographics, climate, and nearby zip code comparisons.
What is the cost of living in zip code 17057?
The cost of living index for zip code 17057 (Middletown, PA) is 73, where 100 represents the national average. This area is below the national average. Median home value: $187,300.
What schools serve zip code 17057?
Zip code 17057 in Middletown, Pennsylvania is served by the local school district of Dauphin County. For specific school information, check your state's department of education or GreatSchools.org.
All demographic data on this page is sourced from the U.S. Census Bureau American Community Survey (ACS) 5-Year Estimates. ZIP code boundary and delivery data is sourced from the United States Postal Service (USPS). Data is updated periodically and may not reflect the most current figures. Census Bureau ZIP Code Tabulation Areas (ZCTAs) may differ slightly from USPS ZIP code boundaries.
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Data Sources
- Population, income, housing, age, and demographics
- U.S. Census Bureau, American Community Survey 5-Year Estimates, 2019-2023 vintage.
- ZIP to city and county mapping
- USPS and HUD-USPS ZIP-County Crosswalk.
- Time zones and area codes
- IANA tz database and NANPA.
- Elevation
- U.S. Geological Survey National Elevation Dataset (NED), via the USGS Elevation Point Query Service. Mapped to each ZCTA centroid coordinates. Last refreshed 2026-05-19.
- Last refreshed
- 2026-05-18.