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PeerBasis
Compensation Comparability Determination

Umatilla County Historical Society

Executive Director / CEO

EIN 936094816
OR · NTEE A82Z
FY ending 2024-12-31
June 9, 2026

This analysis benchmarks the total compensation of Shannon Gruenhagen, Executive Director / CEO ($37,867) against every comparable organization that fit the selection criteria — 91 in total — drawn systematically from IRS Form 990 filings, not a hand-picked subset.

Compensation sits at approximately the 23rd percentile of comparable organizationsbelow the typical range for comparable organizations

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

How comparable organizations were selected

91 organizations qualified on sector, size, and geography 91 within the band form the benchmarked peer set.

Distribution of comparable compensation

$1,526 total compensation of comparable organizations → $169,996 $37,867
$17,59410th
$39,47325th
$57,815Median
$74,25475th
$93,49090th
$37,867This org · 23rd
p10$17,594
p25$39,473
p50$57,815
p75$74,254
p90$93,490
$37,867

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
120 East State NJ$259,821 Project Leader $97,240 $93,490 2024
Nittany Antique Machinery Association PA$268,569 Secretary $2,400 $2,577 2024
Rocky Mount Historical Association TN$256,386 Executive Director $69,271 $80,723 2023
Mount Gulian Society NY$256,383 Executive Di $97,804 $97,979 2023
Furnace Town Foundation Inc MD$256,119 Executive Di $59,289 $59,688 2024
Leelanau Historical Society MI$270,796 Executive Dir. $37,577 $42,999 2023
Rangeley Lakes Region Historical Society ME$254,765 Executive Director $85,828 $92,546 2024
American Society Of Church History MN$274,036 Executive Se $25,000 $27,386 2023
Rock River Heritage Inc WI$274,514 Exc Director $60,064 $67,548 2024
Corning Painted Post Historical Society NY$274,718 Director $43,810 $42,629 2024
Friends Of Clermont Inc NY$250,561 Executive Di $3,432 $3,340 2024
Lakewood Historical Society OH$249,834 Executive Di $67,600 $75,113 2025
Lombard Historical Society IL$248,983 Costanzo $53,045 $57,815 2023
Chenango County Historical Society NY$277,540 Executive Director $60,152 $58,531 2024
Crested Butte Mountain Heritage CO$278,634 Executive Di $52,845 $53,158 2025
West Des Moines Historical Society IA$247,603 Executive Di $52,986 $62,473 2024
Schoharie County Historical Society NY$245,308 Curator $64,789 $63,043 2024
Colonial Pennsylvania Farmstead PA$244,925 Vice President $1,841 $2,035 2023
Historic Cherry Hill NY$282,305 Exec Director $50,602 $49,238 2024
Anoka County Historical Society MN$283,591 Executive Di $73,458 $78,161 2024
Lelooska Foundation WA$241,645 President $12,253 $11,813 2024
Waseca County Historical Society MN$285,423 Executive Dir. $34,024 $37,272 2023
Lake Jackson Historical Association TX$286,570 Executive Dir. $55,623 $59,915 2024
Sherborn Community Center Foundation Inc MA$286,631 Function And Operations Manager $30,000 $28,282 2025
Crawford County Historical Society PA$239,650 Executive Director $35,907 $39,698 2023

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 default23rd
Total compensation (D + F), as reported (no adjustments)30th
Reportable pay only (column D), adjusted24th
All sources (D + E + F), adjusted22nd

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 (Shannon Gruenhagen) 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 91 similarly situated organizations (Same NTEE sector (A82), nationwide + budget 0.67–1.5× revenue).
  3. The authorized body determined that total compensation of $37,867 is reasonable (approximately the 23rd 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.