Other · DOL Form 5500 · 2024

National Opinion Research Center Retirement Plan

Data updated 2026-08-25

$175M
Total assets Near avg plan size
2,925
Participants Above avg headcount
94th
Percentile by assets National rank
$59,817
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Norc, Inc. Supplemental Retirement Plan · Sponsored by National Opinion Research Center · Illinois · Professional & Technical Services

$175M in assets, 2,925 participants

National Opinion Research Center's Norc, Inc. Supplemental Retirement Plan reported $175M in total assets and 2,925 participants in its 2024 DOL Form 5500 filing, ranking in the 94th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #19,122 in Professional & Technical Services (20,173 peers)

Coverage in Illinois

Norc, Inc. Supplemental Retirement Plan covers 2,925 participants in Illinois, 3.8x the typical Illinois plan (state average ~779 per filing). Assets: $175M.

#19,122
in Professional & Technical Services (20,173 peers)
+18.1%
assets growth YoY
1.8×
vs typical plan assets (national mean)

Norc, Inc. Supplemental Retirement Plan's outsized position by total assets

Norc, Inc. Supplemental Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$174,966,173 Top 6% higher than 94% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Norc, Inc. Supplemental Retirement Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Norc, Inc. Supplemental Retirement Plan lands in the large band (2,925 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Norc, Inc. Supplemental Retirement Plan end-of-year assets rose from $148M in the plan year 2023 filing to $175M in the plan year 2024 filing.
  • Norc, Inc. Supplemental Retirement Plan reported participants rose from 2,589 in the plan year 2023 filing to 2,925 in the plan year 2024 filing.
  • Norc, Inc. Supplemental Retirement Plan reported net income rose from $26M in the plan year 2023 filing to $27M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 362167808 · National Opinion Research Center PY 2024 · Other

Norc, Inc. Supplemental Retirement Plan · $175M · 2,925 · 94th

  • PART $175M
  • PART 2,925
  • PART 94th
  • PART Other
  • PART near Capital University 403(b) Retirement Plan
  • PART ind #19122

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Professional & Technical Services retirement plans → · Plans in Illinois →

Norc, Inc. Supplemental Retirement Plan in the asset neighbourhood

Gannon University Defined Contribution PlanGannon University Defined Co…$175MNorc, Inc. Supplemental Retirement PlanNorc, Inc. Supplemental Reti…$175MCapital University 403(b) Retirement PlanCapital University 403(b) Re…$175MFamily Health Centers of San Diego Tax Deferred Annuity PlanFamily Health Centers of San…$175MExeter Health Resources 403(b) Retirement Savings PlanExeter Health Resources 403(…$175M
End-of-year total assets ($M) among Norc, Inc. Supplemental Retirement Plan and nearest nationwide Other peers. Source: DOL Form 5500 plan year 2024.

Illinois filing particulars

Total Assets (Beginning of Year)$148M
Net Assets (End of Year)$175M
Net Income$27M
Employer EIN362167808
Plan Effective Date2001-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (National Opinion Research Center)

Sponsor-wide plan assets over time

All National Opinion Research Center plans reported in each filing year

Latest sponsor-wide plan assets
$422M 41.37209180115971% vs 2022
2024 filing year
$250M$300M$350M$400M$450M 202220232024 $298M $422M ▲ +41.4%
Year Plans Participants Total Assets
2022 2 3,384 $298M
2023 2 4,866 $359M
2024 2 5,215 $422M

Nearby Other Plans in Illinois

Peer Other plans, same state, same plan type, ranked by total assets.

Norc, Inc. Supplemental Retirement Plan vs. nearby Other plans in Illinois, assets vs. participants Scatter plot of 6 data points. 050001000015000 -1012345 Total assets ($B) Participants Norc, Inc. Supplemental Retirement Plan, Total assets ($B): 0.174966173 · Participants: 2925Norc, Inc. Supplemental Retirement PlanNorthwestern University Retirement Plan, Total assets ($B): 4.444912336 · Participants: 9328Northwestern University Retirement PlanThe University of Chicago Contributory Retirement Plan, Total assets ($B): 3.844546742 · Participants: 5144The University of Chicago Contributory Retirement PlanEndeavor Health Legacy 403(b) Tax Deferred Annuity Plan for Northshore University Healthsystem Employees, Total assets ($B): 2.087217637 · Participants: 13718Endeavor Health Legacy 403(b) Tax Deferred Annuity Plan for Northshore University Healthsystem EmployeesThe University of Chicago Supplemental Retirement Plan, Total assets ($B): 1.928510315 · Participants: 8635The University of Chicago Supplemental Retirement PlanRush University Medical Center 403(b) Retirement Savings Plan, Total assets ($B): 1.809110747 · Participants: 13592Rush University Medical Center 403(b) Retirement Savings Plan
Norc, Inc. Supplemental Retirement Plan vs. nearby Other plans in Illinois, assets vs. participants

Norc, Inc. Supplemental Retirement Plan's out-of-state Other peers by assets and headcount

Outside Illinois, the nearest Other by assets is Capital University 403(b) Retirement Plan in OH ($175M); by covered participants it is Upper Chesapeake Health 403(b) Savings Plan in MD (2,925 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (2,925 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Norc, Inc. Supplemental Retirement Plan assets move in 2024?
Norc, Inc. Supplemental Retirement Plan grew sharply - up 18.1% during 2024, from $148M to $175M. Reported net income was $27M.
How have National Opinion Research Center plan assets changed over time?
Across 3 plan years on file (2022-2024), National Opinion Research Center's sponsor-wide assets grew 41.4%, from $298M to $422M.
Where does Norc, Inc. Supplemental Retirement Plan rank by assets among Form 5500 filers?
Norc, Inc. Supplemental Retirement Plan ranks in the 94th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 10% of all filed plans by assets).
Which Other plans are similar in size to Norc, Inc. Supplemental Retirement Plan?
Among Other plans in other states, the closest by assets is Capital University 403(b) Retirement Plan in OH ($175M, 463 participants).
Which Other plans cover a similar participant headcount to Norc, Inc. Supplemental Retirement Plan?
Among Other plans in other states, the closest by covered participants is Upper Chesapeake Health 403(b) Savings Plan in MD (2,925 participants, $296M in assets).