As of September 01, 2026, the average annual salary for Assistant Investigator in Oregon is $46,021, equivalent to $22 per hour, $885 weekly, or $3,835 monthly. These figures, sourced from Salary.com’s real-time job posting scans, highlight competitive earning potential for Assistant Investigator in cities like San Jose, Santa Clara, and San Francisco.

Annually Salaries for Assistant Investigator in Oregon vary widely, spanning from $37,330 to $55,496. Most professionals fall between the 25th percentile ($41,472) and 75th percentile ($50,980), while top earners (90th percentile) make $55,496 per year. This $9,508 pay gap underscores opportunities for salary growth through certifications, specialized skills like Commitment or Document Review, or targeting high-paying regions like District of Columbia or California.

Location and experience significantly influence earnings. For example, Oregon Assistant Investigator often earn 1.6% higher than national averages due to demand from Fortune 43 companies. However, Oregon currently ranks 15 nationwide for Assistant Investigator job salary. Professionals are advised to focus on high-growth sectors like to offset market challenges.

Based on HR-reported data: a national average with a geographic differential
Assistant Investigator Salaries by Percentile
Percentile Salary Location Last Updated
10th Percentile Assistant Investigator Salary $37,330 OR September 01, 2026
25th Percentile Assistant Investigator Salary $41,472 OR September 01, 2026
50th Percentile Assistant Investigator Salary $46,021 OR September 01, 2026
75th Percentile Assistant Investigator Salary $50,980 OR September 01, 2026
90th Percentile Assistant Investigator Salary $55,496 OR September 01, 2026
25% $41,472 10% $37,330 90% $55,496 75% $50,980 $46,021 50%(Median) Didn’t find job title? Click
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What is An Assistant Investigator ?

The Assistant Investigator supports investigative teams in gathering and analyzing information related to various cases. Responsibilities include conducting interviews, collecting evidence, and maintaining detailed records of findings. This role requires strong analytical skills, attention to detail, and the ability to work collaboratively with other team members. Proficiency in research methodologies and familiarity with relevant laws and regulations are essential. The position may involve fieldwork, data entry, and report writing. Salary for an Assistant Investigator typically ranges from $4...

Source: (as of 06/04/2025). Read more from

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Location Avg. Salary Date Updated
Location Clackamas, OR Avg. Salary $51,342 Date Updated September 01, 2026
Location Oregon City, OR Avg. Salary $50,965 Date Updated September 01, 2026
Location Adams, OR Avg. Salary $48,177 Date Updated September 01, 2026
Location Adel, OR Avg. Salary $47,620 Date Updated September 01, 2026
Location Adrian, OR Avg. Salary $46,823 Date Updated September 01, 2026
Location Agness, OR Avg. Salary $47,336 Date Updated September 01, 2026
Location Albany, OR Avg. Salary $49,099 Date Updated September 01, 2026
Location Allegany, OR Avg. Salary $47,393 Date Updated September 01, 2026
Location Alsea, OR Avg. Salary $48,264 Date Updated September 01, 2026
Location Alvadore, OR Avg. Salary $48,853 Date Updated September 01, 2026
Job Openings for Assistant Investigator in Oregon

Career Path for this job

  1. This Job:

    Assistant Investigator

    0 - 1 years experience
    High School Diploma or Technical Certificate

  2. Up a level:

    Legal Records Clerk II

    1 - 3 years experience
    High School Diploma or Technical Certificate

Recently searched related titles: Legal Clerk, Legal Document Specialist, Legal Technician

Jobs with a similar salary range to Assistant Investigator : Legal File Clerk