Miami-Dade lost tax filers but gained reported income in 2022–23

Miami-Dade had 21,399 more departing than arriving tax returns in the IRS’s 2022–23 migration data, yet incoming returns reported $484.033 million more in adjusted gross income than outgoing returns, a 22Miami calculation shows.

Within Florida, the IRS counted 19,464 incoming returns and 37,210 outgoing returns. For moves between Miami-Dade and other U.S. states, the agency recorded 23,379 incoming returns and 26,812 outgoing returns. Both groups had more departing than arriving returns, even though their reported-income balances pointed in different directions.

The interstate inflow reported $4.170403 billion, compared with $2.375692 billion for the outflow. For moves within Florida, incoming returns reported $1.309298 billion, while outgoing returns reported $2.605799 billion. Those group totals help explain why a large positive interstate income balance coexisted with a substantial negative balance within the state.

The period matters. The figures cover 2022–23, which remained the latest county migration series listed on the IRS index when checked on November 3, 2026. They provide a documented historical baseline, rather than a live reading of moves taking place this year.

The dates refer to returns filed and processed in calendar years 2022 and 2023, generally reporting income earned in 2021 and 2022. The IRS compares mailing addresses across the filings. An address may not be an actual residence or the place where income was earned, and it can change after the income year ends. The series therefore links reported income to changing filing addresses rather than measuring income physically brought into Miami-Dade at the moment of a move.

The income balance behind the headline

The official summary rows report 43,906 incoming returns with $5.584864 billion in adjusted gross income, and 65,305 outgoing returns with $5.100831 billion. Subtracting the outgoing income from the incoming income produces $484.033 million. Subtracting the return counts produces the outward balance.

Dividing each group's reported income by its return count gives approximately $127,200 per incoming return and $78,108 per outgoing return. These are arithmetic means, not median incomes. They describe income per tax return in the covered groups, and should not be presented as the earnings of a typical individual mover.

The arithmetic means differ by about $49,092 per return. That gap explains how the incoming group could report more aggregate income despite being smaller. It does not imply that a particular arriving filer earned that much more than a particular departing filer. The average is calculated from the published total for each group, so unusually large reported amounts can influence it. The IRS counts returns, which may represent joint filers or dependents as well as individual filers; neither the mean nor the return count is a measure of income per person.

The distribution within each group remains important. An average cannot establish whether most incoming filers had higher incomes, or whether a relatively small number contributed a large share of the total. The county totals support the aggregate comparison; they do not supply that complete distribution.

Moves within Florida tell a different story

Separating moves across state lines from moves within Florida adds a useful geographic distinction. Published IRS summary rows show an approximately $1.795 billion positive AGI balance between Miami-Dade and other US states. The balance between Miami-Dade and other Florida counties was approximately negative $1.297 billion. Foreign flows contributed a smaller negative balance of about $14.2 million.

The published subgroup balances sum to $484.032 million, $1,000 below the total-migration balance of $484.033 million. That small residual reflects independently rounded source entries. The central comparison is unchanged: the positive interstate balance was largely offset by the negative balance with other Florida counties.

County boundaries matter for a regional business. A move beyond Miami-Dade's boundary may still leave a household within South Florida. It changes the county of residence without necessarily removing the household from the wider regional economy. Conversely, a business serving a specific neighborhood cannot assume that regional retention preserves its own customer base.

Income is different from wealth

Adjusted gross income is an income measure from a tax return. It is not an inventory of a household's property, financial assets or debts. Calling the net AGI balance a wealth transfer would give readers a broader claim than the data support.

Nor does the positive balance represent $484 million paid to Miami-Dade government, invested in local buildings or spent at local businesses. It is the difference between reported income attached to two groups of migrating returns. Understanding where that income is earned, held or spent would require additional evidence.

The distinction is particularly useful for real estate analysis. Income can be relevant to purchasing and rental capacity, but a tax-filer average does not establish a housing budget. Liquid assets, liabilities, household size and financing terms can all change the relationship. An affluent arrival and an affluent homebuyer are not automatically the same observation.

Why this analysis uses a snapshot

The IRS says its 2022–23 matching changes increased the number of returns included by about 5% compared with the previous method. It also updated disclosure protection. Those changes require care before treating differences from earlier releases as purely economic changes.

County detail includes suppressed cells marked with a -1 sentinel. Such a cell is missing published information, rather than an observed value of zero. Summing the visible rows can therefore produce a partial result. This analysis uses the agency's published summary rows for its main calculations, without presenting a reconstructed detail series as a fully comparable historical trend.

What the two balances tell us

In the covered 2022–23 cohort, Miami-Dade received fewer migrating returns than it lost, but the incoming group carried more reported income in total: a net gain of $484.033 million alongside a net outflow of 21,399 returns.