ZIP code profile · 2024 county data
ZIP Code 08561
Mercer County, New Jersey: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.
Data updated 2026-09-05
- 328
- Population (ZIP)
- 1
- Violent rate /100K (county)
- 1
- Property rate /100K (county)
Is ZIP code 08561 safe? Honest data snapshot
ZIP code 08561 sits within Mercer County, NJ, 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.
With 328 residents, ZIP 08561 is among the smaller ZIPs in Mercer County (#22 of 22 by population), spread across 1.14 square miles (288/sq mi). For a full breakdown of Mercer County's crime categories and year-over-year trend, see the Mercer County crime page linked below.
ZIP 08561 has no FBI-native crime rate (postal codes are not police jurisdictions). Figures above use the Mercer County proxy where reported; see methodology for the ZCTA plurality map. Methodology.
ZIP 08561 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
- $54,318
- Median age
- 50.3 years
- Owner-occupied homes
- 46%
- Occupied homes
- 138
- Median home value
- $430,900
- Bachelor's degree or higher
- 30.0%
- Poverty rate
- 0.0%
- Unemployment rate
- 0.0%
ZIP 08561's median home value of $430,900 sits higher than 59% of the 518 NJ 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).
ZIP 08561 settlement vs Mercer County
ZIP 08561 itself is about 288 people per Census sq mi across 1.1 sq mi (328 residents), a postal settlement fact independent of the county UCR proxy.
ZIP 08561 is about 0.1% of the county reporting population (328 of 387,340), so most of the denominator and submitted incidents sit outside this postal code.
Mercer County leans on larceny-theft at 50% of reported offenses (mix index 3,889). ZIP 08561 has no separate FBI offense book.
Settlement lines use Census ZCTA figures only; incomplete county agency coverage blocks any UCR mix or rate desk for this ZIP.
Read with ZIP 08561
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.