Where am ILOCATED

St. Vrain Valley School District RE 1J, Colorado

St. Vrain Valley School District RE 1J is a unified school district in Boulder County, Weld County, and Larimer County, Colorado, for grades Pre-K to 12. About 200,423 people live in it (2020–2024 estimate). It covers 392 sq mi (1,015 km²) of land.

DenverColorado SpringsAurora
St. Vrain Valley School District RE 1J in Colorado
Johnstown-Milliken School District RE-5J
St. Vrain Valley School District RE 1J and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
200,423 ± 1,915
Grades
Pre-K to 12
Type
Unified school district
Counties
Boulder County61% of the district’s landWeld County31% of the district’s landLarimer County8% of the district’s land
Land area
392 sq mi (1,015 km²)
Median household income
$110,338 ± $3,503
Median home value
$617,000 ± $6,940
Water area
9.42 sq mi (24.4 km²)
State
Colorado
Census code (GEOID)
0805370
Coordinates (central point)
40.171157, -105.175881
Check a point in the school district finder

These coordinates mark a central point for the district, not a school or an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Towns, townships and communities in St. Vrain Valley School District RE 1J, largest first

  1. Longmont (city)99,406 people
  2. Erie (town)33,808 people
  3. Firestone (town)18,049 people
  4. Frederick (town)16,651 people
  5. Dacono (city)6,530 people
  6. Mead (town)5,919 people
  7. Niwot (CDP)3,447 people
  8. Lyons (town)1,838 people
  9. Altona (CDP)587 people

A town, township, city or borough is listed when at least half its land is in the district; a community, when its central point is. Near a district line, an address can belong to the district next door.

Bordering unified school districts, nearest first

  1. Thompson School District R-2J16 mi north
  2. Boulder Valley School District RE-217 mi southwest
  3. Johnstown-Milliken School District RE-5J18 mi northeast
  4. Weld County School District RE-819 mi east
  5. Adams 12 Five Star Schools20 mi southeast
  6. Weld County School District RE-123 mi east
  7. Estes Park School District R-326 mi northwest
  8. East Grand School District 237 mi west

These share a boundary with St. Vrain Valley School District RE 1J. Distances are straight lines between central points.

Before using this answer for enrollment

A district boundary doesn’t decide which school a student attends; the district’s attendance zones and rules do. Confirm the full address and grade with St. Vrain Valley School District RE 1J before you rely on it.

See its schools and enrollment on NCES ↗

Find the school district where you are now or find your town or township.