19709 ZIP Code — Middletown, DE

New Castle County, Delaware

ZIP code 19709 is located in Middletown, Delaware, within New Castle County. It covers approximately 77.65 square miles and serves a population of 48,954 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 302.

About ZIP code 19709

The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $416,600. Owner-occupancy is high at 85%, well above the national average.

Median household income is $119,790. The poverty rate of 5% is below the national average. 32% of households receive Social Security income, suggesting a notable retiree or disability population.

The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. The average commute of 31 minutes is near the national average.

Educational attainment is high — 46% of residents hold a bachelor's degree or higher, well above the national average of 33%.

Overall, ZIP code 19709 reflects a community defined by high homeownership and a significant Social Security-dependent population.

48,954

population

77.65

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

19709 ZIP code map

Cities in ZIP code 19709

Below are the cities the US Postal Service accepts for ZIP code 19709. Using any city not on this list may result in mail delivery delays.

City	Status
Middletown	Preferred

Nearby ZIP codes

19734 Townsend (7.3 mi) 19701 Bear (8.6 mi) 21912 Warwick (8.7 mi) 21915 Chesapeake City (9.7 mi) 19702 Newark (9.7 mi) 19720 New Castle (12 mi) 08079 Salem (12.6 mi) 21650 Massey (13.3 mi) 19713 Newark (13.7 mi) 21635 Galena (13.7 mi) 08070 Pennsville (13.9 mi) 19721 New Castle (13.9 mi)

Demographics updated 06/2026

Population
Total population	48,954
Population density	630 / sq mi
State FIPS	10
County FIPS	003

Geography
Land area	77.65 sq mi
Water area	6.05 sq mi
Latitude	39.4771
Longitude	-75.6717
Timezone	Eastern (ET)
Area code	302

Total population by age

Gender

Race & ethnicity

Economics updated 06/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.5%	33.4%	36.1%
$50k – $100k	26.8%	30.4%	31.6%
$100k – $200k	38.8%	26.6%	24.7%
Over $200k	14.9%	9.5%	7.6%

Demographics & statistics

48,954

Population

630

People per sq mi

40.4

Median age

$119,790

Median household income

$51,823

Per capita income

$416,600

Median home value

$1,456

Median monthly rent

84.5%

Home ownership

4.7%

Poverty rate

5.9%

Unemployment

14,690

Housing units

46.3%

Bachelor's or higher

Age distribution

Male Female

1,278

Under 5

1,430

1,449

5–9

1,620

2,214

10–14

2,477

1,929

15–19

2,157

740

20–24

828

2,642

25–34

2,956

2,718

35–44

3,040

3,174

45–54

3,551

1,608

55–59

1,798

1,401

60–64

1,568

2,344

65–74

2,621

1,312

75–84

1,467

298

85+

334

← Male

Female →

Age summary

Group	Count	%
Under 18	13,207	27.0%
18 and over	35,747	73.0%
65 and over	8,376	17.1%
Median age	40.4 years

Race & ethnicity

White 58.4%

Black or African American 23.5%

Asian 6.1%

Hispanic or Latino 5%

Two or more races 4.9%

Other race 2%

American Indian / Alaska Native 0.1%

Group	Count	%
White	30,117	58.4%
Black or African American	12,108	23.5%
Asian	3,125	6.1%
Hispanic or Latino	2,573	5%
Two or more races	2,528	4.9%
Other race	1,043	2%
American Indian / Alaska Native	33	0.1%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	19.5%	33.4%	36.1%
$50k – $100k	26.8%	30.4%	31.6%
$100k – $200k	38.8%	26.6%	24.7%
Over $200k	14.9%	9.5%	7.6%

Under $10k 2.9%

$10k–$15k 0.8%

$15k–$25k 4.3%

$25k–$35k 2.9%

$35k–$50k 7.7%

$50k–$75k 7.9%

$75k–$100k 13.2%

$100k–$150k 25.1%

$150k–$200k 15.1%

$200k+ 20.1%

Range	% of households
Under $10k	2.9%
$10k–$15k	0.8%
$15k–$25k	4.3%
$25k–$35k	2.9%
$35k–$50k	7.7%
$50k–$75k	7.9%
$75k–$100k	13.2%
$100k–$150k	25.1%
$150k–$200k	15.1%
$200k+	20.1%
Median income	$119,790

Housing

Home values

Under $50k 2.2%

$50k–$100k 1.0%

$100k–$150k 0.2%

$150k–$200k 1.4%

$200k–$300k 14.4%

$300k–$500k 54.3%

$500k–$1M 25.2%

$1M+ 1.3%

Housing overview

Metric	Value
Median home value	$416,600
Median rent / month	$1,456
Owner occupied	84.5%
Renter occupied	15.5%
Vacant	1.5%
Single-family detached	65.2%
Large apartment buildings	2.2%
Mobile homes	0.7%
Median rooms	7.4
Avg household size (owned)	2.91

Year built

Era	%
2020 or later	2.5%
2010–2019	28.5%
2000–2009	34.9%
1990–1999	18.9%
1980–1989	6.8%
1970–1979	2.5%
1960–1969	0.6%
1950–1959	1.9%
1940–1949	0.5%
1939 or earlier	2.9%

Bedrooms

Size	% of units
No bedroom (studio)	0.7%
1 bedroom	2.3%
2 bedrooms	13.0%
3 bedrooms	41.0%
4 bedrooms	34.3%
5+ bedrooms	8.7%

Vehicles per household

Vehicles	% of households
No vehicle	2.4%
1 vehicle	22.2%
2 vehicles	48.3%
3 or more	27.1%

Heating fuel

Fuel type	%
Utility gas	68.3%
Electricity	20.3%
Propane / LP gas	5.5%
Fuel oil	5.1%
Wood	0.5%
No fuel used	0.3%

Households & families

Household type	Count	%
Married-couple family	10,778	63.2%
Cohabiting couple	917	5.4%
Male householder, no spouse	1,265	7.4%
Female householder, no spouse	4,107	24.1%
Households with children under 18	6,837	40.1%
Households with seniors (65+)	5,683	33.3%
Average household size	2.86

Marital status

Status	Male	Female
Never married	25.8%	26.7%
Married	64.0%	53.4%
Separated	1.6%	1.0%
Widowed	2.0%	8.2%
Divorced	6.6%	10.7%

Education

Less than 9th grade 2.7%

Some HS, no diploma 2.0%

HS graduate 19.4%

Some college, no degree 18.7%

Associate's degree 11.0%

Bachelor's degree 26.0%

Graduate / professional 20.3%

Metric	%
HS diploma or higher	95.3%
Bachelor's or higher	46.3%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	715	5.2%
Kindergarten	394	2.9%
Elementary school	6,326	45.8%
High school	4,255	30.8%
College / grad school	2,115	15.3%

Employment

Industry of employment

Education & healthcare 27.5%

Finance & real estate 14.0%

Professional & management 11.8%

Retail trade 8.8%

Manufacturing 7.3%

Arts, food & hospitality 6.8%

Public administration 6.0%

Construction 5.2%

Transportation & utilities 4.2%

Wholesale trade 3.3%

Other services 3.1%

Information 1.1%

Agriculture & mining 1.0%

Occupation

Category	%
Management, business & arts	54.6%
Service	13.6%
Sales & office	18.1%
Natural resources & construction	5.2%
Production & transportation	8.5%

Employment type

Type	%
Private sector	81.7%
Government	14.8%
Self-employed	3.4%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	78.2%
Carpool	5.1%
Public transit	1.0%
Walk	0.5%
Work from home	14.1%
Other means	1.1%
Avg commute (minutes)	30.6

Poverty

All people 4.7%

Under 18 years 4.4%

18 and over 4.8%

Married-couple families 2.3%

Female-led households 18.4%

Income support

Source	% of households
Social Security	32.2%
Retirement income	31.4%
Supplemental Security	3.7%
Cash public assistance	1.8%
Food stamps / SNAP	6.3%

Health indicators

Condition	%
Obesity	32.5%
High blood pressure	29.4%
High cholesterol	29.5%
Diabetes	8.6%
Heart disease	4.6%
Stroke	2.2%
Asthma	10.1%
Arthritis	19.4%
Kidney disease	2.3%
Pulmonary disease	4.8%
Cancer	5.5%

Behavior / access	%
Smoking	14.5%
Binge drinking	18.9%
No physical activity	19.5%
Less than 7 hrs sleep	33.2%
Depression	18.2%
Fair or poor health	10.5%
Poor mental health	13.3%
Poor physical health	8.5%
No health insurance	11.3%
Visited doctor (checkup)	72.8%
Visited dentist	71.0%
Cholesterol screening	91.1%
Teeth loss	8.8%

Veterans & disability

Veterans	Count	%
Civilian veterans	2,449	6.9%

Disability	%
Any disability	10.9%
Under 18	4.2%
18–64 years	8.0%
65 and over	31.1%

Health insurance coverage

Type	%
Private insurance	81.8%
Public insurance	28.7%
No insurance	3.0%
Uninsured under 19	1.7%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	46,246	94.5%
Spanish	1,923	4.2%
Other Indo-European	571	1.2%
Asian & Pacific Islander	972	2.1%
Other languages	313	0.7%

Place of birth & citizenship

Origin	Count	%
Native born (US)	43,758	89.4%
Born in same state	43,369	88.6%
Born in different state	20,437	41.7%
Foreign born	389	0.8%
Naturalized citizen	5,196	10.6%
Not a US citizen	3,490	67.2%

Ancestry

Ancestry	Count	%
Italian	6,782	13.9%
French	5,797	11.8%
Arab	1,557	3.2%
English	659	1.3%
Norwegian	237	0.5%

Ancestry	Count	%
Polish	217	0.4%
Irish	157	0.3%
Dutch	99	0.2%
German	64	0.1%

Technology access

Metric	% of households
Computer access	34.9%
Internet access	97.3%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 19709

What city is ZIP code 19709 in?

ZIP code 19709 is primarily assigned to Middletown, Delaware.

What county is ZIP code 19709 in?

ZIP code 19709 falls within New Castle County, Delaware.

Is ZIP code 19709 mostly owner-occupied?

85% of occupied units in ZIP code 19709 are owner-occupied, well above the national average.

How educated is the population of ZIP code 19709?

46% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.

What is the typical home value in ZIP code 19709?

The median home value in ZIP code 19709 is $416,600.

What is the median household income in ZIP code 19709?

The median household income in ZIP code 19709 is $119,790, above the national median of ~$75,000.

What timezone is ZIP code 19709 in?

ZIP code 19709 observes the EST timezone.