Not loaded
Houston and Harris County publish a huge amount of open data, scattered across dozens of portals nobody tracks. This catalog lists every dataset we've found in one place, whether or not it's loaded into the explorer. Know a source we're missing? Add it, and it's shared with everyone.
| Source | What it is | Items | Loaded |
|---|---|---|---|
| Harris County ArcGIS Online services.arcgis.com |
One organization shared by county departments, precincts and staff. Mixes authoritative layers (fire stations, parks, crashes) with many working copies and one-off maps; review before use. | 3,112 | 16 |
| Rice University ArcGIS Online services.arcgis.com |
Research and class projects. Houston gems (HCFCD buyout lots, draft 2026 FEMA flood map, historical census, redlining) among worldwide student work. Research copies of agency data need permission before reuse. | 2,888 | 0 |
| Houston Advanced Research Center (HARC) ArcGIS Online services2.arcgis.com |
Environmental and regional research layers; source of the 2021 city cool-center list. | 528 | 1 |
| City of Houston GIS (ArcGIS Hubs) geohub.houstontx.gov |
Two Hub sites (Public Works geohub, citywide mycity) over several ArcGIS servers. Official. | 314 | 119 |
| Harris County Flood Control District ArcGIS Online services2.arcgis.com |
High-water marks, floodplains, projects, acreage by program. Source of the storm HWM layers. | 265 | 4 |
| City of Houston Open Data (data.houstontx.gov) data.houstontx.gov |
Separate from the GIS hubs. Mostly spreadsheets; finance (checkbook, payroll, budget) and census stay current, much else frozen since a 2023 migration. | 94 | 0 |
| U.S. Census Bureau api.census.gov |
4 | 3 | |
| FEMA (OpenFEMA and National Flood Hazard Layer) www.fema.gov |
4 | 3 | |
| U.S. Environmental Protection Agency data.epa.gov |
2 | 2 | |
| Centers for Disease Control and Prevention data.cdc.gov |
2 | 2 | |
| Texas Commission on Environmental Quality www.tceq.texas.gov |
2 | 1 | |
| Texas Water Development Board www.twdb.texas.gov |
1 | 1 | |
| U.S. Geological Survey water data waterservices.usgs.gov |
1 | 0 | |
| City of Houston 311 public data extracts www.houstontx.gov |
1 | 1 | |
| METRO (Harris County transit) www.ridemetro.org |
1 | 0 | |
| Stanford Open Policing Project openpolicing.stanford.edu |
1 | 0 | |
| TxDOT Crash Records Information System (CRIS) cris.dot.state.tx.us |
1 | 0 |
2,869 matches (likely staff working copies and non-Houston research layers hidden)
Output generated from running the Join Features analysis tool.
309 Gulfton Circular Route
Hub keywords: HW;Wastewater
Hub keywords: HW;Water
Harris County Data for ACP 2023
ACP Harris County Enrollment Data 2023
2023 ACP Enrollment Data for Harris County, Tx Broadband
Broadband ACP Data for July, 2023
Broadband ACP Enrollment Data for 2023
Acreage_by_Interest
AcreageByPrecinct
AcreageByProgram
Acreage_by_Watershed
Harris County Pollution Control Blue Sky Acrolein
[Planning and Development] The American Community Survey (ACS) Gross Rent 5-Year Estimates spreadsheet provides data on rent cost ranges at the Census Block Group level across three counties in the Houston Metropolitan Area—Harris, Fort Bend, and Montgomery. Gross rent includes t…
[Planning and Development] The American Community Survey (ACS) Housing Unit 5-Year Estimates spreadsheet provides data on income levels at the Census Block Group level across three counties in the Greater Houston Metropolitan Area—Harris, Fort Bend, and Montgomery. These estimate…
[Planning and Development] The American Community Survey (ACS) Housing Unit 5-Year Estimates spreadsheet provides data on the number and characteristics of housing units at the Census Block Group level across three counties in the Greater Houston Metropolitan Area—Harris, Fort Be…
[Planning and Development] The American Community Survey (ACS) Housing Value 5-Year Estimates spreadsheet provides data on the value ranges of owner-occupied housing units at the Census Block Group level across three counties in the Greater Houston Metropolitan Area—Harris, Fort …
[Planning and Development] The American Community Survey (ACS) 5-Year Estimates spreadsheet provides data on median gross rent at the Census Block Group level across Harris, Fort Bend, and Montgomery Counties in the Greater Houston Metropolitan Area. Gross rent includes the month…
[Planning and Development] The American Community Survey (ACS) 5-Year Estimates spreadsheet provides data on both median household income and median housing value at the Census Block Group level across Harris, Fort Bend, and Montgomery Counties in the Greater Houston Metropolitan…
[Planning and Development] The American Community Survey (ACS) Population Estimates by age and sex spreadsheet provides male and female population counts at the Census Block Group level across three counties in the Greater Houston Metropolitan Area: Harris, Fort Bend, and Montgom…
[Planning and Development] The American Community Survey (ACS) 5‑Year estimates for Houston, TX provides a detailed breakdown of the city’s population of ages 25 and older by level of education attainment at the Census Block Group level across Harris, Fort Bend, and Montgomery Co…
[Planning and Development] The American Community Survey (ACS) 5‑Year estimates for Houston, TX provides a detailed breakdown of the city’s residents ages 16 and older by their employment status at the Census Block Group level across Harris, Fort Bend, and Montgomery Counties in …
[Planning and Development] The American Community Survey (ACS) 5‑Year estimates for Houston, TX provides a detailed breakdown of the city’s residents aged 5 and older by language spoken at home at the Census Block Group level across Harris, Fort Bend, and Montgomery Counties in t…
[Planning and Development] The American Community Survey (ACS) 5-Year Population Estimates by Race and Ethnicity spreadsheet provides demographic data at the Census Block Group level across three counties in the Greater Houston Metropolitan Area—Harris, Fort Bend, and Montgomery.…
Active Construction Projects
Active Construction Projects
Addresses Edward 1854 Dean Persons In Motion
Found Houston or Harris County open data we don't list? A portal, a map service, a spreadsheet on an agency page, a research dataset? Tell us where it is. Reviewed suggestions are added to the catalog for everyone.