Geographypublished 2020 US and territorial census tracts
Release2016-2020 ACS; September 2026 publication + 2020 Island Areas parser v1
Available records85,528
What you can build
Published eligible and ineligible low-income community determinations and supporting criteria. Use this dataset as a sourced input to an application, analytical model or retrieval tool. Retain its native dimensions when joining it with your own records.
Query New Markets Tax Credit geographic eligibility
The example below is a real bounded request against the available release. Replace the environment variable with your server-side API credential. Review endpoint parameters and response schemas before changing selectors.
Verified API request
curl --fail --get "https://api.geoamcan.com/v1/designations?dataset=nmtc-eligibility&limit=1&designation_id=01001020100" \
-H "Authorization: Bearer $GEOAMCAN_API_KEY"Saved response excerpt
{
"source_attribution": {
"nmtc-eligibility": "US Treasury CDFI Fund — New Markets Tax Credit geographic eligibility; https://www.cdfifund.gov/documents/geographic-reports; official source snapshots, no endorsement implied."
},
"requested_area": {
"include_geometry": false,
"dataset": "nmtc-eligibility",
"lat": null,
"lon": null,
"geo_type": null,
"geoid": null,
"vintage": null,
"designation_id": "01001020100",
"area": null
},
"data": [
{
"dataset": "nmtc-eligibility",
"source": "US Treasury CDFI Fund",
"release": "2016-2020 ACS; September 2026 publication + 2020 Island Areas parser v1",
"geographic_resolution": "tract",
"geoid": "01001020100",
"geography_vintage": "2020",
"period": "2016-2020 ACS or 2020 Island Areas",
"naics": "",
"component": "tract",
"metrics": {},
"margins_of_error": {},
"flags": {
"scope": "geographic",
"record": {
"dates": {
"publication": "2026-09-09"
},
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx",
"source_record": {
"State Name": " Alabama",
"County Code": "01001",
"County Name": " Autauga County",
"2020 Census Tract Number FIPS code. GEOID": "01001020100",
"Census Tract Poverty Rate % (2016-2020 ACS)": 13.7,
"Census Tract Unemployment Rate (%) 2016-2020": 2.1,
"Does Census Tract Qualify on Poverty Criteria>=20%?": "NO",
"Census Tract Unemployment to National Unemployment Ratio ": 0.3888888955116272,
"Deep Distress (Poverty>40%;MFI<=40%; OR Unemployment>=2.5)": "NO",
"High Migration Rural County Census Tract for Deep Distress": "NO",
"Severe Distress (Poverty>30%;MFI<=60%; OR Unemployment>=1.5)": "NO",
"Population for whom poverty status is determined 2016-2020 ACS": 1941
},
"designation_type": "NMTC Low-Income Community",
"reference_period": "2016-2020 ACS or 2020 Island Areas"
},
"source_status": "NO",
"designation_id": "01001020100",
"source_component": {},
"geometry_available": true
}
}
],
"availability": {
"nmtc-eligibility": {
"status": "matches",
"coverage": "United States and source-published territories only; no Canadian equivalents",
"release_metadata": {
"passed": true,
"country": "US",
"records": 85528,
"components": {
"n": 85528,
"native_geometries": 0
},
"retrieved_at": "2026-10-30T00:51:32.938518+00:00",
"validated_at": "2026-10-30T01:50:05.171707+00:00",
"coverage_gaps": [],
"geometry_repairs": 0,
"row_storage_bytes": 122918432,
"designation_counts": [
{
"scope": "geographic",
"status": "NO",
"records": 50117
}
],
"source_attribution": "US Treasury CDFI Fund — New Markets Tax Credit geographic eligibility; https://www.cdfifund.gov/documents/geographic-reports; official source snapshots, no endorsement implied.",
"component_row_storage_bytes": 8210685
},
"interpretation": "Geographic overlap is not full-area designation or business/project/funding eligibility. Population conditions apply; facility matches do not designate surrounding areas."
}
},
"next_offset": null,
"returned_count": 1,
"complete": true,
"snapshot": {
"nmtc-eligibility": {
"release_id": 57,
"release": "2016-2020 ACS; September 2026 publication + 2020 Island Areas parser v1",
"fingerprint": "76ffcab46981df24d98bf40e5eada54e"
},
"tiger": {
"release_id": 1,
"release": "2026 + native 2024/2020",
"fingerprint": "0400658a689c0c2b04db479935dae54a"
},
"geography-extended": {
"release_id": 29,
"release": "2026 + native 2024",
"fingerprint": "e63402f6d0af12bc02df1e39a93b9fb8"
},
"designation-boundaries": {
"release_id": 62,
"release": "2010 native tracts + 2020 Island Areas parser v1",
"fingerprint": "c15cd69ac14013bea7024a09f5902f17"
}
},
"metric_definitions": {
"nmtc-eligibility": {
"notes:0": {
"label": "In September 2026, the dataset was reformatted to include High-Migration Rural Census Tracts below 85% Median Family Income under COLUMN C. Only formatting changes were made. No eligibility changes were made.",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"In September 2026, the dataset was reformatted to include High-Migration Rural Census Tracts below 85% Median Family Income under COLUMN C. Only formatting changes were made. No eligibility changes were made."
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
},
"notes:1": {
"label": "The New Markets Tax Credit (NMTC) Program supports activities in eligible Low-Income Communities (LICs), which are defined by statute as population census tracts with a poverty rate of 20 percent or greater or a median family income (MFI) at or below 80 percent of the applicable area median family income (26 USC §45D(e)): ‘‘(1) IN GENERAL.—The term ‘low-income community’ means any population census tract if— ‘‘(A) the poverty rate for such tract is at least 20 percent, or ‘‘(B)(i) in the case of a tract not located within a metropolitan area, the median family income for such tract does not exceed 80 percent of statewide median family income, or ‘‘(ii) in the case of a tract located within a metropolitan area, the median family income for such tract does not exceed 80 percent of the greater of statewide median family income or the metropolitan area median family income. Subparagraph (B) shall be applied using possessionwide median family income in the case of census tracts located within a possession of the United States.” Source: http://cdfifund.gov/docs/2000_nmtc_statute.pdf",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"The New Markets Tax Credit (NMTC) Program supports activities in eligible Low-Income Communities (LICs), which are defined by statute as population census tracts with a poverty rate of 20 percent or greater or a median family income (MFI) at or below 80 percent of the applicable area median family income (26 USC §45D(e)): ‘‘(1) IN GENERAL.—The term ‘low-income community’ means any population census tract if— ‘‘(A) the poverty rate for such tract is at least 20 percent, or ‘‘(B)(i) in the case of a tract not located within a metropolitan area, the median family income for such tract does not exceed 80 percent of statewide median family income, or ‘‘(ii) in the case of a tract located within a metropolitan area, the median family income for such tract does not exceed 80 percent of the greater of statewide median family income or the metropolitan area median family income. Subparagraph (B) shall be applied using possessionwide median family income in the case of census tracts located within a possession of the United States.” Source: http://cdfifund.gov/docs/2000_nmtc_statute.pdf"
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
},
"notes:10": {
"label": "Column D. Census Tract Poverty Rate % (2016-2020 ACS)",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"Column D. Census Tract Poverty Rate % (2016-2020 ACS)"
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
},
"notes:11": {
"label": "Column E. Does Census Tract Qualify on Poverty Criteria>=20%?",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"Column E. Does Census Tract Qualify on Poverty Criteria>=20%?"
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
},
"notes:12": {
"label": "Column F. Census Tract Percent of Benchmarked Median Family Income (%) 2016-2020 ACS",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"Column F. Census Tract Percent of Benchmarked Median Family Income (%) 2016-2020 ACS"
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
},
"notes:13": {
"label": "Column G. Does Census Tract Qualify on Median Family Income Criteria<=80%?",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"Column G. Does Census Tract Qualify on Median Family Income Criteria<=80%?"
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
},
"notes:14": {
"label": "Column H. Census Tract Unemployment Rate (%) 2016-2020",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"Column H. Census Tract Unemployment Rate (%) 2016-2020"
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
},
"notes:15": {
"label": "Column I. County Code",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"Column I. County Code"
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
},
"notes:16": {
"label": "Column J. State Name",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"Column J. State Name"
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
},
"notes:17": {
"label": "Column K. County Name",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"Column K. County Name"
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
},
"notes:18": {
"label": "Column L. Tract Unemployment to National Unemployment Ratio",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"Column L. Tract Unemployment to National Unemployment Ratio"
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
},
"notes:19": {
"label": "Column M. Population for whom poverty is determined",
"unit": "source documentation",
"universe": null,
"source_definition": {
"source_row": [
"Column M. Population for whom poverty is determined"
],
"source_url": "https://www.cdfifund.gov/system/files?file=2026-09/NMTC_LIC_Eligibility_Dataset_9_3_2026.xlsx"
}
}
}
},
"coverage_limitations": {
"nmtc-eligibility": []
},
"native_area_contexts": {},
"commuting_flows": []
}Captured 2026-11-03. Excerpt omits pagination credentials and may shorten nested records. Download verified source responses.
Coverage and interpretation
Coverage is limited to published source geographies and releases. Missing, suppressed and unavailable observations must not be treated as zero.
The active release shown here is a catalog snapshot. Check the live catalog and response provenance for current readiness. The underlying public source and Geoamcan access terms are separate; consult the source’s licensing and attribution requirements.
Source and methodology
Source: US Treasury CDFI Fund. Geoamcan is an independent API provider, with no agency affiliation or endorsement. Read our data methodology for source handling, geographic joins and update practices.
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