{"@context":{"@vocab":"https://schema.org/"},"@type":"Dataset","@id":"https://api.ai-analytics.org/migration/31-143#migration","name":"Migration — Polk County, NE","description":"IRS county-to-county migration for Polk County, NE (2022-2023): net -6 tax returns ($571,000 net AGI). 120 in, 126 out.","spatialCoverage":"Polk County, NE","isAccessibleForFree":true,"license":"https://creativecommons.org/publicdomain/zero/1.0/","place_id":"31-143","county":{"county_id":1723252439754365700,"county_fips":"31143","place_id":"31-143","state":"NE","county_name":"Polk County","inflow_returns":120,"inflow_individuals":216,"inflow_agi_usd_thousands":6021,"outflow_returns":126,"outflow_individuals":226,"outflow_agi_usd_thousands":5450,"net_returns":-6,"net_individuals":-10,"net_agi_usd_thousands":571,"top_origins":"[{\"fips\": \"31-141\", \"name\": \"Platte County\", \"state\": \"NE\", \"returns\": 25, \"agi_usd_thousands\": 1665}]","top_destinations":"[{\"fips\": \"31-141\", \"name\": \"Platte County\", \"state\": \"NE\", \"returns\": 24, \"agi_usd_thousands\": 383}]","filing_year_pair":"2022-2023","ingested_at":"2026-06-26T19:18:48Z"},"top_origins":[{"fips":"31-141","name":"Platte County","state":"NE","returns":25,"agi_usd_thousands":1665}],"top_destinations":[{"fips":"31-141","name":"Platte County","state":"NE","returns":24,"agi_usd_thousands":383}],"_source":{"data_provider":"AI Analytics","data_provider_url":"https://api.ai-analytics.org","license":"https://creativecommons.org/publicdomain/zero/1.0/","primary_source":"https://www.irs.gov/statistics/soi-tax-stats-migration-data","primary_source_dataset":"IRS SOI County-to-County Migration Flows (FY2022-2023)","generated_at":"2026-06-27T21:06:16.339Z"}}