economy_income_composition_county_year
Four income-source shares (salaries, business, investment, transfers) from IRS SOI (A4). Tier A- (filer-only). History 1989-present at source; currently 2022 only. Powers transfer_share and investment_share in scorecard.
overview
3,142 counties. Filer-based - captures only tax-filing population.
current vintage — Tax Year 2022
history — IRS SOI: 1989 to present at source; pipeline loads 2022 only
source & licensing
fields
| name | type | definition |
|---|---|---|
| business_share_of_agi | float64 · share (0–1) | Net business and self-employment income as a share of total Adjusted Gross Income reported by county filers. Higher values indicate a greater contribution of entrepreneurial or self-employment activity to local income. |
| country_id | string | ISO alpha-2 country code (always 'US' for domestic tables). |
| county_idkey | string | 5-character FIPS code identifying the county.Joins dim.counties on county_id. |
| county_name | string | Human-readable county name corresponding to county_id. |
| investment_share_of_agi | float64 · share (0–1) | Investment income (dividends, interest, capital gains, and rents) as a share of total Adjusted Gross Income reported by county filers. Higher values indicate greater dependence on capital and asset returns. |
| salaries_share_of_agi | float64 · share (0–1) | Salaries and wages as a share of total Adjusted Gross Income reported by county filers. Higher values indicate greater reliance on employment income relative to other sources. |
| state_id | string | 2-character FIPS code identifying the state.Joins dim.states on state_id. |
| tax_year | int64 | The IRS tax filing year to which the income composition data applies. Aligns with the annual Statistics of Income (SOI) release cycle. |
| transfer_share_of_agi | float64 · share (0–1) | Government transfer payments (e.g., Social Security, unemployment insurance, retirement distributions) as a share of total Adjusted Gross Income reported by county filers. Higher values indicate greater reliance on public or retirement income sources. |
joins
how to use this table
Aggregated Form 1040 line items: salaries (line 1), business income (lines 3, 7-8), investment income (lines 2-6, 9), transfers (proxied via SS taxable line 6, unemployment line 7). Shares = each / AGI.
Non-filer transfer income (~10-15% of population); means-tested transfers without filing requirement (SNAP, Medicaid); pre-tax labor income (this is post-deduction).
Filer-only - does not capture income for households below filing threshold. Post-2018 itemization changes affect interpretation.