People moving in, per 1,000
What this number means, its source and the limits of using it.
Guide updated · Source dates are shown in the app
Say more people move into a county than out. This expresses net movement relative to its population. County figures can be repeated across ZIPs; they are not separately measured ZIP flows.
Reading the number
Group: People. Units: ratio. This measure is repeated from county-level data; neighboring ZIPs can share it.
Source and date
Census PEP county components of change. Expected interval: about 365 days. This is a schedule, not proof that a refresh succeeded.
A guide update is not a data refresh. The source period and collection date, when available, are on the app’s data details. A missing date is unknown, never today. Check freshness.
Access and limits
Buyer and above by default. The app’s current lock is authoritative if settings change. Derived measures also need their input measures open. A missing number is not zero. What each plan shows.