ZIP code profile · 2024 county data

ZIP Code 23840

Dinwiddie County, Virginia: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.

Data updated 2026-08-24

848
Property rate /100K (county)
1,421
Population (ZIP)
290
Violent rate /100K (county)

Is ZIP code 23840 safe? Honest data snapshot

ZIP code 23840 sits within Dinwiddie County, VA. The figures below are the county's own FBI UCR numbers for 2024, the most accurate available statistic for this location, not a ZIP-specific calculation.

Dinwiddie County reported a violent-crime rate of 290 per 100,000 residents and a property-crime rate of 848 per 100,000 in 2024, drawing on county-level agency submissions.

ZIP 23840 carries a Census-reported population of 1,421, ranking #7 of 9 ZIPs in Dinwiddie County, spread across 52.3 square miles (about 27 people per square mile). For a full breakdown of Dinwiddie County's crime categories and year-over-year trend, see the Dinwiddie County crime page linked below.

ZIP 23840 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Dinwiddie County agency submissions; see methodology for the ZCTA plurality map. Methodology.

ZIP 23840 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 household income
$84,632
Median age
57.3 years
Owner-occupied homes
79%
Occupied homes
606

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 23840?

Within the participating-agency records for Dinwiddie County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 18% below and property crime is 50% 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 23840. 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.

23840 is comparatively spread out at about 27 people per square mile. That settlement pattern may differ sharply from the county's population centers, another reason to use the county rates as regional context rather than a local estimate.

Dinwiddie County UCR book ZIP 23840 inherits

ZIP 23840 itself is about 27 people per Census sq mi across 52.3 sq mi (1,421 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 23840 accounts for roughly 5.1% of the county reporting population (1,421 of 27,947).

Dinwiddie County leans on larceny-theft at 56% of reported offenses (mix index 3,946). ZIP 23840 has no separate FBI offense book.

Dinwiddie County 2024 vs 2023: violent counts -20% vs 2023; property counts -19% vs 2023. Year-over-year moves are county agency submissions, still not ZIP-native.

Dinwiddie 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 23840

Similar county violent rate (~290/100K)

Similar Census population (~1,421)

County detail: Dinwiddie County · State atlas: Virginia

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.