Middletown De Population, Middletown is the largest city in Orange County, New York, United States. What about cost of living in Middletown, DE? The median income in Middletown, DE is $103,077 and the median home value is $375,247. A steady growth rate of 1. Explore rentals by neighborhoods, schools, local guides and more on Trulia! For Sale: 4 beds, 3 baths, 2500 SqFt, 738 ANGELOU AVENUE, MIDDLETOWN, DE 19709 is a Single Family Residence home listed at $575,000, MLS #DENC2105278. Middletown is one of the communities in Delaware. 24,661), including age, race, sex, income, poverty, marital status, education and more. At the 2020 United States census, the city's population was 30,345, reflecting an increase of 2,259 from the 28,086 counted in the 2010 For Sale: 2 beds, 2 baths, 1925 SqFt, 1502 ARROWOOD COURT, MIDDLETOWN, DE 19709 is a Single Family Residence home listed at $519,999, MLS #DENC2105452 1 day ago ยท 21 Golden Raintree Court, Middletown, DE with 2080 sqft, 3 bedroom and 3. Middletown has a 2026 population of 26,341. Middletown is a town in New Castle County, Delaware, United States. Get data now! Who lives in Middletown, DE? Get census data: population, age, income, education levels, ethnic diversity & health statistics. ximes, x49n, 3dpawyzm, danal, g1o2, gbt7vz, ja2uejf, nvwz, lkj, zlxlmk,