Source
Census ACS · vintage 2026 · refresh cadence: annual
Total resident population (ACS B01001 1-year for places ≥65k, 5-year otherwise)
Direction of better
No universal direction; user preference determines what is "better".
Unit
Values are reported in count.
Where the data lives
Tables: municipality_metrics
Columns: population
Input field: population
JSON-LD example
Every value emitted by ValiFit (in /api/v1, MCP responses, on-page JSON-LD) carries a propertyID set to this metric_id, so AI clients can resolve it back here in one round-trip.
{
"@type": "PropertyValue",
"propertyID": "town.population",
"name": "Total Population",
"value": 8,
"unitText": "count",
"additionalProperty": [
{
"@type": "PropertyValue",
"name": "composite",
"value": "Demographics"
},
{
"@type": "PropertyValue",
"name": "level",
"value": "city"
},
{
"@type": "PropertyValue",
"name": "direction",
"value": "optimize"
},
{
"@type": "PropertyValue",
"name": "source_year",
"value": "2026"
},
{
"@type": "PropertyValue",
"name": "fha_safe",
"value": true
}
],
"valueReference": {
"@type": "QuantitativeValue",
"additionalType": "https://valifit.com/catalog/metric",
"identifier": "town.population",
"sameAs": "Census ACS"
},
"mentions": [
{
"@type": "Dataset",
"@id": "https://valifit.com/sources/census-places",
"identifier": "CENSUS_PLACES",
"name": "Census Designated Places",
"url": "https://www.census.gov/library/reference/code-lists/ansi.html",
"sameAs": "https://www.census.gov/library/reference/code-lists/ansi.html",
"creator": {
"@type": "Organization",
"name": "U.S. Census Bureau"
},
"temporalCoverage": "continuous",
"dateModified": "2026-04-01"
}
]
}For programmatic access
GET /api/v1/catalog/metrics?id=town.population
MCP tool: get_catalog with id="town.population"