Open Policing Data Hub

FBI agency record

Marion Police Department

City agencyIA0570200NIBRS since 1993

Linn County, Iowa

Crime trendsNIBRSLEMASPoliciesOpen dataPOP projects

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Crime & staffing trends

No snapshot trend data is stored for this agency yet. Explore its full crime and employment history directly on the FBI Crime Data Explorer, which covers UCR summary data, NIBRS incidents, and police employment for ORI IA0570200.

NIBRS incident detail

NIBRS victims by offense · Jan 2021Dec 2024

Incident-based victim counts reported through NIBRS, from the FBI Crime Data Explorer.

Aggravated Assault: victim & offender age · 278 victims, 292 offenders
Victim sex
Female157 (56%)
Male121 (44%)
Victim race
White235 (85%)
Black or African American42 (15%)
American Indian or Alaska Native1 (0%)
Weapons involved
Personal Weapons140 (52%)
Knife/Cutting Instrument34 (13%)
None33 (12%)
Blunt Object16 (6%)
Handgun14 (5%)
Firearm10 (4%)

Top 6 of 11 categories shown.

Incident location
Residence/Home201 (72%)
Highway/Road/Alley/Street/Sidewalk22 (8%)
Parking/Drop Lot/Garage18 (6%)
Park/Playground5 (2%)
School-Elementary/Secondary5 (2%)
School-College/University5 (2%)

Top 6 of 14 categories shown.

Victim–offender relationship
Boyfriend/Girlfriend97 (32%)
Acquaintance47 (15%)
Spouse24 (8%)
Ex-Relationship (Ex-Boyfriend/Girlfriend)24 (8%)
Stranger23 (7%)
Relationship Unknown22 (7%)

Top 6 of 23 categories shown.

Co-occurring offenses
Drug/Narcotic Violations9 (16%)
Weapon Law Violations9 (16%)
Simple Assault8 (14%)
Destruction/Damage/Vandalism of Property7 (12%)
Drug Equipment Violations6 (10%)
Kidnapping/Abduction6 (10%)

Top 6 of 13 categories shown.

Open data

No open-data portal has been found for this agency. Discovery sweeps Socrata, ArcGIS, and CKAN portals on a schedule, so this can change. Know of a portal or dataset this agency publishes? Tell us.

Staffing

LEMAS survey

This agency was not matched in any local LEMAS extract (each survey wave samples ~3,000–3,500 of the ~19,000 US agencies). See the BJS LEMAS collection for methodology, or browse every LEMAS wave (1987–2020) at NACJD.

FBI police employment

Employment counts for this agency are available through the FBI Crime Data Explorer.

Open data

No open data sources are catalogued for this agency yet. FBI reported-crime data is still available via the Crime Data Explorer link above.

POP conference activity

No POP conference submissions matched to this agency in our records.

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Compared by size, crime mix, rates, and staffing within the same agency class · precomputed from FBI trend and NIBRS data. Methodology: agency-metrics/metrics-spec.md

Assessing a response? These agencies double as informal comparison groups: if your trend falls while comparable agencies hold steady, the case that your response worked is much stronger. See the project report template.