What is the crime rate for ZIP code 20851?

The FBI does not publish crime data by ZIP code, and for Montgomery County, MD (the county containing ZIP 20851) agencies did not report complete 2024 data to the UCR Program. The county figures shown cover only the agencies that submitted, so no meaningful crime rate can be stated for this area. Low reported counts here indicate missing reports, not an absence of crime.

What county is ZIP code 20851 in?

ZIP code 20851 is located in Montgomery County, MD.

ZIP code profile · 2024 county data

ZIP Code 20851

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

Compiled by PlainCrime

Data updated 2026-08-24

14,659
Population (ZIP): 0
Violent rate /100K (county): 0
Property rate /100K (county)

Is ZIP code 20851 safe? Honest data snapshot

ZIP code 20851 sits within Montgomery County, MD, in which law-enforcement agencies did not report complete 2024 data to the FBI UCR Program. The county figures below cover only the agencies that submitted, so they are not a measure of crime in this area and no comparison to the national average is drawn from them.

ZIP 20851 carries a Census-reported population of 14,659, ranking #28 of 48 ZIPs in Montgomery County, spread across 2.54 square miles (about 5,771 people per square mile). For a full breakdown of Montgomery County's crime categories and year-over-year trend, see the Montgomery County crime page linked below.

ZIP 20851 has no FBI-native crime rate (postal codes are not police jurisdictions). Figures above use the Montgomery County proxy where reported; see methodology for the ZCTA plurality map. Methodology.

ZIP 20851 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: $107,578
Median age: 36.0 years
Owner-occupied homes: 60%
Occupied homes: 5,081

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

ZIP 20851 settlement vs Montgomery County

ZIP 20851 itself is about 5,771 people per Census sq mi across 2.5 sq mi (14,659 residents), a postal settlement fact independent of the county UCR proxy.

ZIP 20851 is about 1.4% of the county reporting population (14,659 of 1,062,061), so most of the denominator and submitted incidents sit outside this postal code.

Settlement lines use Census ZCTA figures only; incomplete county agency coverage blocks any UCR mix or rate desk for this ZIP.

Nationwide peers for ZIP 20851

Similar Census population (~14,659)

ZIP 36619, AL · 14,658 pop · Δ1
ZIP 46561, IN · 14,658 pop · Δ1
ZIP 03106, NH · 14,654 pop · Δ5
ZIP 30103, GA · 14,654 pop · Δ5

County detail: Montgomery 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.