Stories

Shortform articles communicating the latest analysis and methods from the NCCS team.

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methods

Estimating Sector Size With Payroll Taxes

This data story outlines the process for estimating the amount of payroll taxes nonprofits pay annually.

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Stories

E-filed 990s are up 1.5x since 2015, and 60k+ new public charities have grown into the full Form 990

How many 990s were e-filed for tax year 2015 versus 2023, and how many public charities founded 2015-2023 have filed a full Form 990, from canonical IRS/NCCS data.

efile trends

Nonprofits in the Milwaukee metro, 1989–2026: counts, focus areas, and revenue

How many nonprofits operate in the four-county Milwaukee metro, what they do, and where their revenue comes from — a snapshot and a multi-decade trend from canonical IRS/NCCS data.

geography

nccsdata Part 4: Summary Tables

Part 4 of 4 data stories covering the nccsdata R package. This story focuses on summarising NCCS legacy data.

R packages

nccsdata Part 2: NTEE Codes

Part 2 of 4 data stories covering the nccsdata R package. This story focuses on parsing NTEE codes.

R packages

nccsdata Part 3: Geographic Filters

Part 3 of 4 data stories covering the nccsdata R package. This story focuses on working with Census FIPS codes.

R packages

nccsdata Part 1: Downloading Data

First of four data stories on the nccsdata R Package. This story covers data downloads.

R packages

Estimating Sector Size With Payroll Taxes

This data story outlines the process for estimating the amount of payroll taxes nonprofits pay annually.

SOI extracts payroll tax
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