Middletown, DE: Population, ZIP Codes & Nearby Cities

Middletown is a small incorporated city in New Castle County, Delaware. In the dataset behind this page it has an estimated population of 35,695, sits at 39.445°N, 75.717°W, and observes Eastern time. Below you will find how it ranks inside Delaware, which ZIP codes it uses, the closest places around it, and how far it is from major US cities.

What are the key facts about Middletown, DE?

What is the population of Middletown, DE?

Middletown has an estimated population of 35,695. That makes it the 3rd largest of 77 places in Delaware, placing it among the state's ten biggest, and the 2nd largest of 25 places in New Castle County. The typical place in Delaware has about 2,314 residents, so Middletown is roughly 15.4 times the size of a typical neighbor in the state.

Estimates for places of this size carry wider margins of error than those for big cities, so treat the figure as a guide to scale. Our guide to understanding city population numbers explains why sources disagree.

Places in Delaware with a similar population include Newark (33,515), Lewes (29,187), Milford (22,102), Bear (20,850), Ocean View (14,360). Comparing these pages is a quick way to see how Middletown differs from communities of the same scale.

How dense is Middletown?

Middletown has about 1,937 people per square mile (748 per square kilometer), which we classify as suburban. Within Delaware, it is denser than about 73% of the listed places. Land at this level is usually a mix of single-family neighborhoods, shopping corridors and parks, where driving is common but destinations are close. Read how to interpret population density to see how we draw these lines.

What ZIP codes does Middletown use?

The postal data lists a single ZIP code for Middletown: 19709. A single code usually means a compact delivery area, but the same code may also serve addresses just outside the town line. Codes beginning with 1 are assigned to the Mid-Atlantic (Delaware, New York and Pennsylvania). Learn more in our guide to how ZIP codes work or check any code with the ZIP code lookup.

What time zone is Middletown in?

Middletown is in the Eastern time zone, which is UTC−5 from Coordinated Universal Time in standard time (IANA zone America/New_York). The area observes daylight saving time, so clocks move forward in March and back in November. The nearest listed place in a different time zone is Fairfield Glade, TN, about 554 miles away, which gives a sense of how far the nearest zone boundary may be. Current local time: see the Eastern time hub. For the rules behind these zones, read US time zones explained.

Where is Middletown located in Delaware?

Middletown lies in the northwestern part of Delaware, at 39.445° north latitude and 75.717° west longitude. The state capital, Dover, is about 22 miles to the southeast. The closest listed place in another state is Elkton, MD, roughly 12 miles to the northwest, which shows how near Middletown is to a state line. For big-city services, the nearest place with more than 100,000 people is Dover, DE, 22 miles to the southeast.

Which cities are near Middletown, DE?

The closest listed place to Middletown is Glasgow, DE, 10.9 miles to the north. Of the eight nearest places below, 5 are in the same county. Distances are straight-line (great-circle) miles measured between place centers; see how distance is calculated.

Which county is Middletown in?

Middletown is in New Castle County, which has the Federal Information Processing Standards (FIPS) code 10003. The county contains 25 places in our data, 15 of which have their own page here and 10 smaller communities that appear only in county and state lists. Other places in the county include Wilmington (70,166), Newark (33,515), Bear (20,850), Glasgow (14,359), Brookside (13,396). Codes like this one help separate places that share a name; see the guide to counties and FIPS codes.

How far is Middletown from major US cities?

Among six major hubs, Middletown is closest to New York, NY at about 128 miles and farthest from Los Angeles, CA at about 2,369 miles in a straight line. Road distances are usually 10 to 30 percent longer. Try the distance calculator for any other pair.

Are there other places called Middletown?

Yes. Our data lists 14 other places named Middletown: Middletown, OH (97,730), Middletown, NY (58,592), Middletown, CT (46,258), Middletown, PA (9,594), Middletown, KY (7,877), Middletown, PA (7,212), Middletown, MD (4,792), Middletown, IN (2,451), and 6 more. When you search for Middletown, add the state or county so you land on the right one. This page covers the Middletown in New Castle County, Delaware.

Planning a move to Middletown?

If you are weighing Middletown, start with the practical numbers: how far it is from where you live, whether it changes your time zone, and how its size and density compare with your current city. Use the distance calculator to measure the trip from where you live. The radius search tool lists every place within any distance of it. Our checklist for comparing cities explains what to check next.

Where to go next

Population and density come from a compiled dataset and are estimates. They may differ from official Census Bureau counts. Verify important figures at census.gov.