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PeerBasis
Compensation Comparability Determination

Lewis & Clark National Park Association

Executive Director / CEO

EIN 936036653
OR · NTEE A82Z
FY ending 2024-09-30
June 9, 2026

This analysis benchmarks the total compensation of Cynthia Thompson, Executive Director / CEO ($56,787) against every comparable organization that fit the selection criteria — 24 in total — drawn systematically from IRS Form 990 filings, not a hand-picked subset.

Compensation sits at approximately the 79th percentile of comparable organizationswithin the typical range

Benchmarked executive: Cynthia Thompson — reported title “Executive Director”, a direct title match to the Executive Director / CEO role.

How comparable organizations were selected

24 organizations qualified on sector, size, and geography 24 within the band form the benchmarked peer set.

Distribution of comparable compensation

$3,763 total compensation of comparable organizations → $69,163 $56,787
$17,79310th
$27,28925th
$37,181Median
$51,19075th
$60,02690th
$56,787This org · 79th
p10$17,793
p25$27,289
p50$37,181
p75$51,190
p90$60,026
$56,787

Comparable organizations

Each figure is Form 990 Part VII columns D + F (reportable pay plus other compensation and benefits; column F may include amounts from related organizations), normalized to OR cost of living (BEA RPP, 2023) and to its filing year (CPI-U); the reported amount is on each linked 990.

OrganizationStateRevenueMatched titleComp
(reported)
Comp
(adjusted)
FY
Montgomery Co Historical Society IN$103,557 Exec Directo $24,621 $27,959 2024
Swiss Heritage Society Inc IN$105,467 President $18,692 $21,226 2024
Colonial Theater Inc ME$90,527 Executive Director $30,000 $33,303 2023
Berkeley Architectural Heritage Association CA$88,893 Executive Director $33,500 $31,150 2024
Burnett County Historical Society Inc WI$116,296 Executive Director $6,719 $7,779 2023
Tioga County Historical Society PA$86,949 Managing Director $28,891 $31,940 2023
Historic Lexington Foundation VA$119,424 Executive Director $22,238 $23,121 2024
Ohio To Erie Trail Fund OH$83,119 Exec Director-non Voting $36,000 $41,059 2024
Ebenezer Maxwell Mansion Inc PA$121,034 Exec Dir -1/1/23 To 9/12/23 $45,311 $50,094 2023
Sewickley Valley Historical Society PA$81,939 Executive Director $41,167 $45,513 2023
Marquette Range Iron Mining MI$80,308 Director/man $14,263 $16,321 2023
Codington County Historical Society SD$123,793 Museum Director $49,778 $60,904 2023
Haddam Historical Society Inc CT$79,914 Exec Directo $44,837 $46,606 2023
Captain Avery Museum Inc MD$124,562 Executive Director $46,688 $48,391 2023
National Society Of The Sons Of The American Revolution PA$78,057 President & Registrar $3,504 $3,763 2024
Preservation Of Historic Winchester Inc VA$76,418 Executive Director $24,314 $25,280 2024
Southwest Seattle Historical Society WA$128,815 Executive Dir. $60,138 $57,978 2024
Dwight D Eisenhower Society PA$132,722 Executive Dir. $41,074 $44,107 2024
Abraham Lincoln Association IL$133,129 Executive Manager $29,125 $31,743 2023
Historic Windsor Inc VT$69,919 Exec.director $50,262 $54,477 2024
Peterborough Historical Society NH$136,828 Executive Direc $68,827 $68,435 2024
Hillforest Historical Foundation Inc IN$137,979 Executive Director - Left Mid-year $28,697 $32,588 2024
Brown County Historical Society WI$143,537 Executive Director $61,500 $69,163 2024
Hunterdon County Historical Society NJ$150,272 Executive Adminstrator $60,000 $57,686 2024

Comp (reported) is the figure on each organization's Form 990 (columns D + F); Comp (adjusted) normalizes it to OR cost of living and 2024 dollars. Click any organization to verify the figure on ProPublica.

Methodology

Comparable organizations were drawn from electronically filed IRS Form 990 returns and matched on sector (NTEE code), budget (a size-adaptive revenue band that tightens as the organization grows), and geography (same-state first, broadening only when too few peers qualify); every organization within the band forms the peer set. To compare fairly across regions and years, peer compensation is normalized to OR cost of living (BEA Regional Price Parities, 2023) and to the subject's filing year (CPI-U). The figure benchmarked is Form 990 Part VII, Section A, columns D + F — reportable pay plus other compensation, benefits, and deferred amounts (column F may include amounts from related organizations) — with the chief executive matched by role. Related-organization amounts (column E) and institutional trustees are excluded. Full methodology: peerbasis.org/methodology.

Sample, role match & sensitivity

Sensitivity — the subject's percentile under alternative compensation definitions:

BasisSubject percentile
Total compensation (D + F), cost-of-living + inflation adjusted — the PeerBasis default79th
Total compensation (D + F), as reported (no adjustments)83rd
Reportable pay only (column D), adjusted79th
All sources (D + E + F), adjusted79th

If the percentile moves materially across these definitions, the result is sensitive to methodology choices, and the board should weigh which basis best fits its facts.

Rebuttable presumption of reasonableness · 26 CFR 53.4958-6

Compensation paid by a tax-exempt organization is presumed reasonable — shifting the burden to the IRS — when three requirements are met. This report supplies the comparability data for the second. The board should record the following in its minutes concurrently with its decision:

Draft board minutes — executive compensation

  1. The compensation of the Executive Director / CEO (Cynthia Thompson) was approved in advance by [the Board / Compensation Committee], composed of members with no conflict of interest with respect to the arrangement.
  2. Prior to its determination, the authorized body obtained and relied upon appropriate comparability data, namely the PeerBasis Compensation Comparability Determination dated June 9, 2026, comparing compensation against 24 similarly situated organizations (Same NTEE sector (A82), nationwide + budget 0.67–1.5× revenue).
  3. The authorized body determined that total compensation of $56,787 is reasonable (approximately the 79th percentile of comparable organizations) and documented the basis for this determination concurrently, on [date], by a vote of [__ for / __ against].

Sources: IRS Form 990 e-file data (apps.irs.gov); IRS Business Master File (NTEE classification). Every figure traces to an original public filing — click any organization above to verify it on ProPublica. PeerBasis is a service of Prismind Analytics; its methodology is published, was commissioned for independent adversarial review, and discloses its own limitations. This report is comparability data to support a board's good-faith determination under IRC 4958; it is not legal or tax advice. Generated by PeerBasis on June 9, 2026.