ZIP code profile · 2024 county data
ZIP Code 48434
Sanilac County, Michigan: Census demographics for this ZIP plus the containing county's FBI UCR crime rate.
Data updated 2026-08-24
- 143
- Property rate /100K (county)
- 132
- Population (ZIP)
- 131
- Violent rate /100K (county)
Is ZIP code 48434 safe? Honest data snapshot
ZIP code 48434 sits within Sanilac County, MI, 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: 131 violent incidents and 143 property incidents per 100,000 residents in 2024, per county-level agency submissions.
With 132 residents, ZIP 48434 is among the smaller ZIPs in Sanilac County (#17 of 18 by population), spread across 0.79 square miles (167/sq mi). For a full breakdown of Sanilac County's crime categories and year-over-year trend, see the Sanilac County crime page linked below.
ZIP 48434 has no FBI-native crime rate (postal codes are not police jurisdictions). The property-led county proxy above is from Sanilac County agency submissions; see methodology for the ZCTA plurality map. Methodology.
ZIP 48434 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
- $42,500
- Median age
- 62.8 years
- Owner-occupied homes
- 73%
- Occupied homes
- 64
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 48434?
Within the participating-agency records for Sanilac County, reported violent and property crime rates both sit below their U.S. benchmarks: violent crime is 63% below and property crime is 92% 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 48434. 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, 48434 is among the smaller ZIPs by population (#17 of 18). County-wide counts are especially coarse context for a smaller postal area because most of the denominator and reported incidents may sit elsewhere in the county.
Sanilac County UCR book ZIP 48434 inherits
ZIP 48434 itself is about 167 people per Census sq mi across 0.8 sq mi (132 residents), a postal settlement fact independent of the county UCR proxy.
ZIP 48434 is about 0.3% of the county reporting population (132 of 40,611), so most of the denominator and submitted incidents sit outside this postal code.
Sanilac County leans on aggravated assault at 42% of reported offenses (mix index 3,223). ZIP 48434 has no separate FBI offense book.
Sanilac County 2024 vs 2023: violent counts +2% vs 2023; property counts +5% vs 2023. Year-over-year moves are county agency submissions, still not ZIP-native.
Sanilac 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.
Read with ZIP 48434
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.