Census Tiger 1990 Polygon C Miami-Dade County
About This Dataset
This dataset contains the geographic boundaries of census blocks, tracts, and places from the 1990 U.S. Census, mapped as polygons across Miami-Dade County. It's primarily useful for historical analysis, comparing how Miami-Dade's neighborhoods have changed over the past three decades, and understanding demographic patterns from that era.
Why This Matters
- A researcher studying how Miami-Dade's population distribution shifted between 1990 and today by overlaying this historical data with current census information
- A real estate analyst examining the growth and development patterns of specific neighborhoods by tracking which census tracts have changed or expanded since 1990
- A city planner reviewing historical census boundaries to understand how neighborhood definitions and municipal divisions have evolved
Key Metadata
| Publisher | Miami-Dade County, Florida |
|---|---|
| Department | Information Technology Department |
| Category | Communications and Information Technology Department |
| Format | Feature Service |
| Last Updated | Updated 10 months ago |
| Rows | None |
| Civic Relevance | MEDIUM |
| Update Frequency | Not Planned |
| Source | View on Open Data Portal |
| Keywords | 1990 census census blocks census tracts historical demographics Miami-Dade boundaries neighborhood boundaries census geography Tiger data |
Columns / Fields
| Name | Type | Description |
|---|---|---|
OBJECTID |
integer | Tiger90_poly: OBJECTID |
TRACT |
integer | Tiger90_poly: TRACT |
BLOCK |
text | Tiger90_poly: BLOCK |
PLACE |
integer | Tiger90_poly: PLACE |
VDT |
text | Tiger90_poly: VDT |
MCD |
integer | Tiger90_poly: MCD |
BLK |
integer | Tiger90_poly: BLK |
SHAPE__Area |
number | Tiger90_poly: SHAPE__Area |
SHAPE__Length |
number | Tiger90_poly: SHAPE__Length |
Related Datasets
Quality Breakdown
C
Composite Score: 61%
Findings
- Stale: not updated in 300 days
- Row count not available