ZIP code profile · 2024 county data

ZIP Code 19717

New Castle County, Delaware: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.

Data updated 2026-08-24

509
Property rate /100K (county)
6,129
Population (ZIP)
121
Violent rate /100K (county)

Is ZIP code 19717 safe? Honest data snapshot

ZIP code 19717 sits within New Castle County, DE, a county whose reported crime runs below the national average (see the county-level FBI figures below, not a ZIP-specific calculation).

Reported crime here runs well below the national average: 121 violent incidents and 509 property incidents per 100,000 residents in 2024, per county-level agency submissions.

ZIP 19717 carries a Census-reported population of 6,129, ranking #20 of 29 ZIPs in New Castle County, spread across 0.26 square miles (about 23,573 people per square mile). For a full breakdown of New Castle County's crime categories and year-over-year trend, see the New Castle County crime page linked below.

ZIP 19717 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from New Castle County agency submissions; see methodology for the ZCTA plurality map. Methodology.

ZIP 19717 Census context

These are ZIP/ZCTA demographic estimates, separate from the county-level FBI proxy above. They describe the local settlement, not a crime rate.

Median age
19.3 years
Occupied homes
0

Source: U.S. Census Bureau, ACS 2022 5-year ZCTA estimates (income, age, and occupied housing tenure).

How useful is the county proxy for ZIP 19717?

Within the participating-agency records for New Castle County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 66% below and property crime is 70% below. The two submitted measures point in the same direction, but they do not establish complete county coverage or turn the result into a ZIP-level rating for 19717. Both comparisons use the same 2024 county reporting population and FBI-submitted counts, so the two directions are internally comparable for this release, not evidence about a different year.

19717 is a densely settled part of the county at about 23,573 people per square mile. Density is not a crime predictor on its own; it only shows why a county-wide average can conceal a very different local setting inside this ZIP.

New Castle County UCR book ZIP 19717 inherits

ZIP 19717 itself is about 23,573 people per Census sq mi across 0.3 sq mi (6,129 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 19717 is about 1.1% of the county reporting population (6,129 of 570,719), so most of the denominator and submitted incidents sit outside this postal code.

New Castle County leans on larceny-theft at 49% of reported offenses (mix index 3,190). ZIP 19717 has no separate FBI offense book.

New Castle County offense mix (2024)

Mix index is HHI × 10,000 on county offense-type shares. Distinct from the per-100K rates in the hero; still county-agency data, not a ZIP-native FBI table.

Nationwide peers for ZIP 19717

Similar county violent rate (~121/100K)

Similar Census population (~6,129)

County detail: New Castle County · State atlas: Delaware

Sources: U.S. Census Bureau (ZIP population, land area, 2020 ZCTA-to-county relationship file, ACS 5-year estimates) and FBI Uniform Crime Reporting (UCR) Program, Crime in the United States (CIUS) Table 10 (county-level crime, attributed via ZIP-to-county crosswalk).

Verify with Census.gov Geography and FBI.gov UCR.

Read our methodology , how this data is sourced, computed, and verified.

Every figure on PlainCrime is rendered directly from FBI Uniform Crime Reporting (UCR) source data, no number is typed in by an editor. This page combines Census ZIP-level figures with a ZIP-to-county crosswalk to attribute FBI UCR crime data honestly, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.