Index Every US public charity, on the record

Social science in Maryland

51 public charities the IRS codes as social science, 18 of them reporting revenue of $50,000 or more.

Organizations

Largest first

By revenue on the last return. Organizations that file Form 990-N report no figures and come last.

Organization	Return	Revenue
Washington Institute for a New SudanBaltimore	Form 990-N	No figure

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By size

Under $50K25
$50K to $500K6
$500K to $1M7
$1M to $2.5M1
$2.5M to $5M1
Over $5M3
No figure on file8

Size classes

Peers are ranked inside these.

$50K to $500K
6 organizations, median $134K
$500K to $5M
9 organizations, median $785K
Over $5M
3 organizations, median $19.7M

Most common codes

Research institutes and public policy analysis
NTEE V05
9
Social science
NTEE V20
6
Economics
NTEE V22
6
Professional societies and associations
NTEE V03
5
Interdisciplinary research
NTEE V30
4
Other social science
NTEE V99
3
Alliances and advocacy
NTEE V01
2
Behavioral science
NTEE V23
2

Cities

Baltimore
13
Bethesda
5
Silver Spring
4
Rockville
3
College Park
2
Potomac
2
Accokeek
1
Annapolis
1
Bowie
1
Catonsville
1

Source. IRS public records, as of October 13, 2026. Financial figures are from the most recent return on file. Street addresses are not published here.

Peers. Public charities with the same focus group, state and size class, and a return no more than 33 months old.

Scope. The Index covers the 501(c)(3) organizations the IRS classes as publicly supported charities, in the 50 states and the District of Columbia. Churches, schools, hospitals and supporting organizations are classed separately and are not included.