ZIP code profile · 2024 county data
ZIP Code 21085
Harford County, Maryland: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.
Data updated 2026-08-24
- 594
- Property rate /100K (county)
- 16,590
- Population (ZIP)
- 140
- Violent rate /100K (county)
Is ZIP code 21085 safe? Honest data snapshot
ZIP code 21085 sits within Harford County, MD, 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: 140 violent incidents and 594 property incidents per 100,000 residents in 2024, per county-level agency submissions.
ZIP 21085 carries a Census-reported population of 16,590, ranking #8 of 20 ZIPs in Harford County, spread across 18.97 square miles (about 875 people per square mile). For a full breakdown of Harford County's crime categories and year-over-year trend, see the Harford County crime page linked below.
ZIP 21085 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Harford County agency submissions; see methodology for the ZCTA plurality map. Methodology.
ZIP 21085 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
- $100,573
- Median age
- 43.8 years
- Owner-occupied homes
- 80%
- Occupied homes
- 6,551
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 21085?
Within the participating-agency records for Harford County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 60% below and property crime is 65% 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 21085. 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.
ZIP 21085 sits near the middle of Harford County's ZIP population ordering (#8 of 20). The county comparison is useful regional context, but it cannot say how reported incidents are distributed within this postal area.
Harford County UCR book ZIP 21085 inherits
ZIP 21085 itself is about 875 people per Census sq mi across 19 sq mi (16,590 residents), a postal settlement fact independent of the county UCR proxy.
ZIP 21085 accounts for roughly 6.4% of the county reporting population (16,590 of 260,924).
Harford County's 2024 UCR book concentrates in larceny-theft (66% of 1,915 offenses; mix index 4,720). ZIP 21085 inherits that county mix, not a postal-native split.
Harford County 2024 vs 2023: violent counts -9% vs 2023; property counts flat vs 2023. Year-over-year moves are county agency submissions, still not ZIP-native.
Harford 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 21085
Similar county violent rate (~140/100K)
- ZIP 37321, TN · 139.9/100K · Rhea County
- ZIP 30434, GA · 140/100K · Jefferson County
- ZIP 65613, MO · 139.6/100K · Polk County
- ZIP 44833, OH · 140.2/100K · Morrow County
Similar Census population (~16,590)
- ZIP 35121, AL · 16,591 pop · Δ1
- ZIP 60478, IL · 16,591 pop · Δ1
- ZIP 93631, CA · 16,588 pop · Δ2
- ZIP 75474, TX · 16,586 pop · Δ4
County detail: Harford 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.