ZIP Code 19966: Population, Income, Housing

State: DE

Total population: 35,884 Household income: $78,305 Rent: $1,325

Overview

Total population

35,884

Rent

$1,325

Year built

2003

Household income

$78,305

Per capita income

$42,477

Poverty rate

11.8%

Unemployment rate

N/A

Household size

2.3 persons

Rent over 30% of income

46.2%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Data are sourced from the American Community Survey (ACS) 5-Year Estimates, 2024 release — the latest dataset currently available. New 5-year estimates are published annually, about 6–12 months after the end of each reference year.

Demographics

State

Delaware

County

Sussex County

City

Millsboro

Total population

35,884

Adults over 25

27,356

Total households

15,435

Household size

2.3 persons

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Income & Poverty

Household income

$78,305

Per capita income

$42,477

Poverty rate

11.8%

Unemployment rate

N/A

Rent over 30% of income

46.2%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Housing

Rent

$1,325

Year built

2003

Households that rent

17.8%

Households that own

82.2%

Rooms per home (all homes)

5.8

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Race

White

72.6%

Black

7.9%

Asian

1.8%

Two or more races

8.3%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Ethnicity

Hispanic or Latino

12.2%

Not Hispanic or Latino

87.8%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Commute

Commute rate

13,475 (87.8%)

Commute time to work

30 mins

Work from home

1,881 (12.2%)

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Education

Less than high school

29.6%

High school graduate or GED

34.9%

Some college or associate degree

9.5%

Bachelor’s degree or higher

26.1%

Note: Rent, income, and year built are shown as median values, while household size is shown as an average (see explanations below).

ZIP data use Census ZCTAs, which closely match USPS ZIP Codes in most cases (see FAQ for details).

Comparison of ZIP Code 19966 with: Sussex County, DE Delaware United States

ZIP 19966

Total population35,884

Rent$1,325

Year built2003

Household income$78,305

Per capita income$42,477

Poverty rate11.8%

Unemployment rateN/A

Sussex County, DE

Total population255,626

Rent$1,238

Year built1999

Household income$81,497

Per capita income$46,684

Poverty rate10.9%

Unemployment rate3.2%

Delaware State

Total population1,021,191

Rent$1,401

Year built1987

Household income$84,954

Per capita income$45,375

Poverty rate10.4%

Unemployment rate3.7%

United States

Total population334,922,499

Rent$1,413

Year built1980

Household income$80,734

Per capita income$44,673

Poverty rate12.5%

Unemployment rate4%

Metric	ZIP19966	CountySussex, DE	StateDelaware	CountryUnited States
Total population	35,884	255,626	1,021,191	334,922,499
Rent	$1,325	$1,238	$1,401	$1,413
Year built	2003	1999	1987	1980
Household income	$78,305	$81,497	$84,954	$80,734
Per capita income	$42,477	$46,684	$45,375	$44,673
Poverty rate	11.8%	10.9%	10.4%	12.5%
Unemployment rate	N/A	3.2%	3.7%	4%

View the full multi-level comparison →

Summary for 19966

Rent & Income

In 19966, the typical monthly rent is $1,325 and the typical household income is $78,305. Rent here is lower than Delaware, and household income is lower than Delaware. The estimated poverty rate is 11.8%.

Housing & Affordability

This ZIP Code is primarily owner-occupied, with renters accounting for about 17.8% of households. About 46.2% of renters spend more than 30% of their income on housing, indicating high cost burden.

Education & Employment

Educational attainment is moderate, with about 26.1% of adults holding a bachelor’s degree or higher.

ZIP 19966 — Rent vs Household Income

ZIP 19966 — Poverty

How ZIP 19966 compares in Delaware (12 ZIP Codes)

Metric	This ZIP	Rank	Starts from	State range
Rent	$1,325	2 / 12	from lower rent	$1,215 – $1,827
Household income	$78,305	7 / 12	from higher income	$60,221 – $132,956
Poverty rate	11.8%	7 / 12	from lower poverty	5% – 19.6%

Rankings are calculated among ZIP Codes in Delaware with total population > 30,000 (year 2024).

Detailed Ranking Explanation for ZIP Code 19966

Rent

In terms of rental prices, this ZIP stands 2nd out of 12 ZIP Codes in Delaware. Across Delaware, figures vary from $1,215 in ZIP 19805 up to $1,827 in ZIP 19701.

Household income

When comparing household incomes, ZIP Code 19966 stands 7th out of 12 ZIP Codes. Throughout Delaware, numbers span from $60,221 in ZIP 19805 up to $132,956 in ZIP 19709.

Poverty rate

Looking at poverty indicators, this ZIP stands 7th out of 12 ZIP Codes. At the state level, values extend from 5% in ZIP 19709 up to 19.6% in ZIP 19805.

💰 Rent in ZIP Code 19966 (with Utilities)

Estimated Monthly Rent: $1,325 ℹ️ What’s Included:
✅ Base rent, electricity, gas, water/sewer, and heating fuels
❌ Not included: internet, cable TV, renter's insurance, parking

💡 What does this rent estimate mean?

Explanation: This estimate shows what renters typically pay each month for housing — including the apartment or home and essential utilities like heat, water, and electricity.

Included in this number: Rent plus electricity, gas, water/sewer, and heating fuel.

Not included: Internet, cable, parking, renter’s insurance, or furniture rental.

Note: This cost does not depend on the number of people living in the home.

👨‍👧‍👦 Household Income in ZIP Code 19966

Annual Household Income: $78,305

💡 What does Household Income mean?

Definition: This represents the middle value of all household incomes in the ZIP code — half of households earn less, and half earn more.

Includes: wages, salaries, self-employment income, Social Security, pensions, investments, unemployment, public assistance, and rental income.

Does NOT include: capital gains, non-cash benefits (like food stamps), or tax refunds.

Household = any group of people (or a single person) living in the same housing unit.

Example: A couple earning $40,000 and $30,000 together have a household income of $70,000. If that's in the middle of all local incomes, it's the value shown here.

📉 Poverty Rate in ZIP Code 19966

Estimated Rate: 11.8%

💡 What does the Poverty Rate represent?

Definition: The percentage of people in this area living below the federal poverty threshold.

How it works: The threshold is a dollar amount set by the U.S. Census Bureau that varies by family size and age. If a household's income is below that level, everyone in it is included in this rate.

Example: In a town of 10,000 people, if 1,500 have incomes below the poverty line, the poverty rate is 15%.

Note: This statistic only includes people living in households; it does not count those in student housing, military barracks, or nursing homes.

🏘️ Renter vs. Owner Households in ZIP Code 19966

In ZIP Code 19966, households that rent: 2,744 (17.8%)

📊 What does the renter household percentage reveal about this ZIP Code?

Household Type	Count	Share
Renter-Occupied	2,744	17.8%
Owner-Occupied	12,691	82.2%

Definition: This is the percentage of households that rent their home rather than own it. It includes only occupied housing units.

Why it matters: Areas with a high share of renter households often have younger populations, higher mobility, and different housing needs compared to mostly owner-occupied areas.

Example: If 65% of homes in an area are renter-occupied, it means 65 out of every 100 households rent their home.

📉 Renters Spending Over 30% of Income on Rent in ZIP Code 19966

In ZIP Code 19966, cost-burdened renters (households spending over 30% of income on housing): 1,269 (46.2%)

🏚️ What Does It Mean When Renters Spend Over 30% of Their Income on Housing?

Household Group	Households	Share
Cost-burdened renters (over 30%)	1,269	46.2%
Other renter households	1,475	53.8%
Total renter households	2,744	100%

Shares are calculated as a percentage of renter households.

This shows how many renters in the ZIP code are considered cost-burdened — meaning they spend more than 30% of their income on housing (rent and basic utilities).

It’s a sign that housing might be unaffordable in the area or that lower-income residents may be struggling with rent.

Data comes from the U.S. Census Bureau’s American Community Survey.

📊 Education Levels in ZIP Code 19966

Less than High School: 8,090 people (29.6%)

Includes adults who did not complete high school.

High School Graduate or GED: 9,535 people (34.9%)

Includes adults whose highest education is a high school diploma or GED.

Some College or Associate Degree: 2,594 people (9.5%)

Includes adults who attended college without completing a bachelor’s degree (some college or associate degree).

Bachelor’s Degree or Higher: 7,137 people (26.1%)

Includes adults with a bachelor’s degree or higher (bachelor’s, master’s, professional, or doctoral degree).

👥 Total Adults (25+): 27,356

ℹ️ Have questions about how these statistics are calculated? See our data methodology & FAQs

Source: ACS 5-Year Estimates (U.S. Census Bureau) — unemployment rate from BLS. Some values are derived metrics.