Postal Codes

19979 ZIP Code

Advertisement

English Español

ZIP code 19979 covers Viola, Delaware, with a population of about 503 and a median household income of $95,325.

Population
503153 per square mile
Median household income
$95,3251.2× the Delaware median
Poverty rate
9.7%2.7 points below the US average
Typical home value
$353,586up 29.4% in five years
Median rent
$1,7081.3× the Delaware median
Degree or higher
14.5%20.5 points below the US average
Homeownership
82%17 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
12

Where 19979 is

Viola, Delaware — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population503
Family households61.3%
Born outside the US0.2%
Speaks a language other than English at home4.2%
White (non-Hispanic)95.6%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino1%
Veterans30.7%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$95,325
Income per person$41,591
Poverty rate9.7%
Households on SNAP or cash assistance2.8%

Household income distribution

Under $10k0.9%
$10–15k15.2%
$15–20k0.0%
$20–25k0.0%
$25–30k2.8%
$30–35k0.0%
$35–40k0.0%
$40–45k1.8%
$45–50k2.8%
$50–60k12.0%
$60–75k7.4%
$75–100k27.2%
$100–125k14.7%
$125–150k0.0%
$150–200k4.6%
$200k or more10.6%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed400
Mean adjusted gross income$62,452
Returns declaring $200,000 or more0%
Returns, under $25k25.0%
Returns, $25k–$50k27.5%
Returns, $50k–$75k15.0%
Returns, $75k–$100k12.5%
Returns, $100k–$200k20.0%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$265,600
Median gross rent$1,708
Rent as a share of household income9%
Owner-occupied82%
Vacant homes0%
Median year built1985

What the homes are

Detached house88.9%
Mobile home11.1%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$353,586as of 2026-07
Typical home value, 1 yearup 0.5%
Typical home value, 5 yearsup 29.4%
Typical home value, 10 yearsup 84.1%
Typical home value since 2000
201220192026$353,586$159,154

$159,154 in 2012 to $353,586 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.9%
Bachelor's degree or higher14.5%
High school diploma or higher86.6%
Works from home6%
Drives to work alone94%
Takes public transport0%
Commutes 45 minutes or more24.8%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity42.7% 9.3 pts above the national average of 33.4%
Diagnosed diabetes14% 2 pts above the national average of 12%
Currently smokes15.4% 2.2 pts above the national average of 13.2%
High blood pressure39.8% 5.7 pts above the national average of 34.1%
Fair or poor general health21.7% 1.4 pts above the national average of 20.3%
No health insurance (18–64)9.5% 1.8 pts below the national average of 11.3%
Depression24.4% 2.5 pts above the national average of 21.9%
No leisure-time physical activity31.7% 6.3 pts above the national average of 25.4%
Arthritis31.6% 6.5 pts above the national average of 25.1%
Binge drinking13.8% 2.2 pts below the national average of 16%
Taking blood pressure medication78% 3.3 pts above the national average of 74.7%
Cancer (non-skin)9.8% 2.1 pts above the national average of 7.7%
Current asthma12.5% 2.1 pts above the national average of 10.4%
Coronary heart disease7.5% 1.3 pts above the national average of 6.2%
Routine check-up in past year81.3% 4.6 pts above the national average of 76.7%
Cholesterol screening86.1% same as the national average of 85.9%
Cognitive disability15.3% 0.5 pts above the national average of 14.8%
Colorectal screening68.9% 4.6 pts above the national average of 64.3%
COPD9% 2.4 pts above the national average of 6.6%
Visited a dentist60.9% same as the national average of 61.3%
Any disability36.5% 5.8 pts above the national average of 30.7%
Lacks emotional support21.6% 3.2 pts below the national average of 24.8%
Food insecurity14.1% 3 pts below the national average of 17.1%
Received food stamps13% 1.3 pts below the national average of 14.3%
Hearing disability8% 1.3 pts above the national average of 6.7%
High cholesterol41.3% 5.1 pts above the national average of 36.2%
Housing insecurity11.9% 1.9 pts below the national average of 13.8%
Independent living disability9.2% 0.8 pts above the national average of 8.4%
Lacks transport7.8% 1.4 pts below the national average of 9.2%
Loneliness33.9% 0.5 pts below the national average of 34.4%
Mammography use73.6% 2.3 pts below the national average of 75.9%
Poor mental health (14+ days)18.1% 1.3 pts above the national average of 16.8%
Mobility disability17.5% 3.5 pts above the national average of 14%
Poor physical health (14+ days)15.7% 2.2 pts above the national average of 13.5%
Self-care disability4.2% same as the national average of 4%
Utility shut-off threat7.4% 1.4 pts below the national average of 8.8%
Sleeps under 7 hours39.3% 2.9 pts above the national average of 36.4%
Stroke4% 0.6 pts above the national average of 3.4%
All natural teeth lost16.3% 3.3 pts above the national average of 13%
Vision disability5.4% same as the national average of 5.6%
Advertisement
Business and employment

Census ZIP Code Business Patterns 2022

Business establishments12
People employed66
Annual payroll$3,771,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 53.4% of US census tracts
FEMA ratingRelatively Low
Expected annual loss44.2 out of 100
Community resilience57.2 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Drought94.5Relatively Moderate at its worst in this ZIP code
Cold wave88Relatively High at its worst in this ZIP code
Winter weather87.1Relatively High at its worst in this ZIP code
Hurricane86.6Relatively Moderate at its worst in this ZIP code
Wildfire77Relatively Low at its worst in this ZIP code
Heat wave68.8Relatively Moderate at its worst in this ZIP code
Hail64.3Relatively Low at its worst in this ZIP code
Lightning58.7Relatively Moderate at its worst in this ZIP code
Landslide57.3Very Low at its worst in this ZIP code
Strong wind56.9Relatively Moderate at its worst in this ZIP code
Earthquake51Relatively Low at its worst in this ZIP code
Tornado50.6Relatively Low at its worst in this ZIP code
Ice storm50.4Relatively Low at its worst in this ZIP code
River flooding49.8Relatively Moderate at its worst in this ZIP code
Compared with Delaware and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPDelawareUnited States
Median household income$95,325$82,855$78,538
Income per person$41,591$44,219$43,289
Poverty rate9.7%10.7%12.4%
Median home value$265,600$326,800$303,400
Median gross rent$1,708$1,341$1,348
Homeownership82%72.3%65%
Bachelor's degree or higher14.5%35.3%35%
Unemployment rate5.9%5.1%5.2%
Works from home6%13.3%13.5%
Born outside the US0.2%10.4%13.9%
Median age41.538.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationDOVER, DE US13 km away
Rain in a year48 in
Snow in a year13 in

Average high and low by month

January44.4°F / 27.6°F3.43 in rain, 4.1 in snow
February47.4°F / 29°F3.08 in rain, 5.9 in snow
March54.5°F / 35.4°F4.21 in rain, 0.6 in snow
April66°F / 44.9°F3.72 in rain
May74.4°F / 54.4°F3.89 in rain
June82.7°F / 63.8°F4.56 in rain
July86.9°F / 69°F4.14 in rain
August85.1°F / 67.3°F4.92 in rain
September79.2°F / 61°F4.25 in rain
October68.9°F / 49.5°F4.06 in rain
November58°F / 39.3°F3.36 in rain
December48.6°F / 32.1°F3.99 in rain, 2.6 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarketNone of this ZIP code
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

This ZIP code is served by 2 school districts, so the address decides which one, not the ZIP code.

Lake Forest School District77.1% of this ZIP code's land area
Caesar Rodney School District22.9% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability73more vulnerable than 73% of US census tracts
Socioeconomic status61more vulnerable than 61% of US census tracts
Household characteristics91more vulnerable than 91% of US census tracts
Racial and ethnic minority status56more vulnerable than 56% of US census tracts
Housing type and transport59more vulnerable than 59% of US census tracts
Walkability4.9 out of 20Least walkable
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

19943 Felton, DE2.3 km away
19980 Woodside, DE3.4 km away
19962 Magnolia, DE6.6 km away
19934 Camden Wyoming, DE6.7 km away
19946 Frederica, DE10.2 km away
19902 Dover Afb, DE12.1 km away
19903 Dover, DE13.1 km away
19952 Harrington, DE13.1 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Kent County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area3.28 sq mi
Population density153 people per sq mi
Latitude, longitude39.0419, -75.5726

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

Advertisement