ZIP code profile · 2024 county data

ZIP Code 20603

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

Data updated 2026-09-05

1,004
Property rate /100K (county)
32,495
Population (ZIP)
310
Violent rate /100K (county)

Is ZIP code 20603 safe? Honest data snapshot

ZIP code 20603 sits within Charles County, MD. 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.

Charles County reported a violent-crime rate of 310 per 100,000 residents and a property-crime rate of 1,004 per 100,000 in 2024, drawing on county-level agency submissions.

ZIP 20603 is the largest ZIP in Charles County by population, 32,495 residents (#1 of 22 county ZIPs), across 16.2 square miles (2,006/sq mi). For a full breakdown of Charles County's crime categories and year-over-year trend, see the Charles County crime page linked below.

ZIP 20603 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Charles County agency submissions; see methodology for the ZCTA plurality map. Methodology.

ZIP 20603 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
$132,753
Median age
38.5 years
Owner-occupied homes
79%
Occupied homes
11,202
Median home value
$407,700
Bachelor's degree or higher
36.7%
Poverty rate
6.0%
Unemployment rate
4.3%

ZIP 20603's median home value of $407,700 sits higher than 57% of the 419 MD ZIPs with a reported value, roughly mid-range for the state.

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

How useful is the county proxy for ZIP 20603?

Within the participating-agency records for Charles County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 12% below and property crime is 41% 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 20603. 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.

Within the county, 20603 is one of the most populous ZIPs (#1 of 22). Its 32,495 residents therefore represent a comparatively large share of the local population, but the county total still combines reports from places outside this ZIP.

Charles County UCR book ZIP 20603 inherits

ZIP 20603 itself is about 2,006 people per Census sq mi across 16.2 sq mi (32,495 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 20603's 32,495 residents are about 19.5% of the 2024 county reporting population (166,617), a large postal share of a county-wide rate.

Charles County leans on larceny-theft at 52% of reported offenses (mix index 3,344). ZIP 20603 has no separate FBI offense book.

Charles County 2024 vs 2023: violent counts -4% vs 2023; property counts -5% vs 2023. Year-over-year moves are county agency submissions, still not ZIP-native.

Charles 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 20603

Similar county violent rate (~310/100K)

Similar Census population (~32,495)

County detail: Charles County · State atlas: Maryland

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.