ZIP codes
6
Costilla County, CO Demographics & ZIP Codes
Costilla County, Colorado demographics and median household income by ZIP code — 6 ZIP codes — population 4,948 — avg. income $42,676 — avg. home value $168,540. Compare income, housing, and ZIP-level data on US5.
Population
4,948
Median household income (avg.)
$42,676
57% of U.S. median
Average home value
$168,540
48% of U.S. median
Average rent
$534
46% of U.S. median
Costilla County demographics
Costilla County, Colorado covers 6 ZIP codes, with a combined ZIP-area population of about 4,948.
Median household income in Costilla County
The average median household income across ZIP codes in Costilla County, Colorado is about $42,676 — about 49% below the CO ZIP average ($84,127), and about 43% below the U.S. median ($75,149).
Among ZIPs with income data, 81133 (Fort Garland) is near the top at about $55,179, while 81152 (San Luis) is near the bottom at about $30,709.
Housing in Costilla County
For housing in Costilla County, Colorado, the average median home value is about $168,540 and the average median rent is about $534.
The most populous ZIP is 81151 (Sanford) with about 1,445 residents. Use the table below to compare ZIP codes across the county.
ZIP codes in Costilla County
Sort by population, income, or home value. Click a column header to toggle ascending / descending.
| ZIP | City | County | State | Population ↓ | Income | Home value |
|---|---|---|---|---|---|---|
| 81151 | Sanford | Costilla County | CO | 1,445 | $39,542 | $156,900 |
| 81152 | San Luis | Costilla County | CO | 1,203 | $30,709 | $135,900 |
| 81133 | Fort Garland | Costilla County | CO | 1,056 | $55,179 | $258,500 |
| 81123 | Blanca | Costilla County | CO | 726 | $37,173 | $123,800 |
| 81126 | — | Costilla County | CO | 491 | $50,776 | $167,600 |
| 81138 | — | Costilla County | CO | 27 | — | — |
Frequently asked questions
What are the demographics of Costilla County?
Costilla County, Colorado has a combined ZIP-area population of about 4,948 across 6 ZIP codes. Browse the ZIP table for population, income, and housing by code.
What is the median household income in Costilla County?
The average median household income across ZIP codes in Costilla County, Colorado is about $42,676, about 49% below the state ZIP average ($84,127), and about 43% below the U.S. median ($75,149). Average median home value is about $168,540. Among ZIPs with data, 81133 (Fort Garland) is near the top ($55,179) and 81152 (San Luis) is near the bottom ($30,709).
How many ZIP codes are in Costilla County?
Costilla County, Colorado includes 6 ZIP codes on US5. Each row links to demographics, median income, and housing for that code.
Where can I find ZIP code demographics for Costilla County?
This page lists ZIP codes in Costilla County, Colorado with population, median household income, and home value. Select a ZIP for a full demographics profile.