Rockwood R-VI School District

A few homes at the edge of someone else's ZIP Code

The counts below come from the census blocks assigned to Rockwood R-VI, grouped by the ZIP Code area each block falls in. The Census Bureau publishes the blocks; the grouping is computed here, and it is the only place these particular numbers exist.

• Homes inside the boundary47,521
• Residents123,247
• ZIP Code areas it reaches15
• Where it is the only district2
• Where it shares with another district11
• Where it holds under half a percent2
• Land area154 square miles
• Homes per square mile308

The ZIP Code areas it reaches

The spread is the thing to notice. In 63040 this district holds 100% of the homes; in 63304 it holds no homes at all. Same district, opposite answers, and a lookup that names it without the share tells the second household the same thing as the first.

• ZIP Code 63040 · Wildwood, Missouri100% of the homes
• ZIP Code 63038 · Wildwood, Missouri100% of the homes
• ZIP Code 63005 · Wildwood, Missouri99% of the homes
• ZIP Code 63025 · Eureka, Missouri90% of the homes
• ZIP Code 63011 · Ballwin, Missouri60% of the homes
• ZIP Code 63026 · Fenton, Missouri45% of the homes
• ZIP Code 63021 · Ballwin, Missouri35% of the homes
• ZIP Code 63069 · Wildwood, Missouri18% of the homes
• ZIP Code 63017 · Chesterfield, Missouri12% of the homes
• ZIP Code 63049 · High Ridge, Missouri5.2% of the homes
• ZIP Code 63051 · LaBarque Creek, Missouri1.0% of the homes
• ZIP Code 63088 · Valley Park, Missouri0.8% of the homes
• ZIP Code 63073 · Boles, Missouri0.6% of the homes
• ZIP Code 63122 · Kirkwood, Missourino homes at all
• ZIP Code 63304 · Weldon Spring, Missourino homes at all

The areas it leads without holding most of the homes

Rockwood R-VI is the largest district in 6 ZIP Code areas. Answer with its name alone and the answer misses 16,826 of the 52,413 homes those areas hold — though in 2 of them it holds every home there is. The count is homes, not addresses, and it is the number no lookup prints.

Rockwood R-VI is the largest name in ZIP Code 63026 · Fenton, Missouri and still holds a minority of it: 8,016 of 17,999 homes. The other 9,983 homes are with Fox C-6, Northwest R-I and Lindbergh. This is the shape that makes a one-name answer worst — the name is right for fewer homes than it is wrong for.

ZIP Code 63011 · Ballwin, Missouri is a two-district area: 9,146 of its 15,317 homes are inside Rockwood R-VI, and the other 6,171 homes are with Parkway C-2. Which one an address belongs to is settled by the street, not by the five digits.

In ZIP Code 63025 · Eureka, Missouri the split runs 5,735 to 608 and the larger part is Rockwood R-VI's: the rest is 608 homes with Northwest R-I.

Rockwood R-VI holds 6,848 of the 6,912 homes in ZIP Code 63005 · Wildwood, Missouri, so its name is right for most of the area and wrong for the rest: 48 homes with Parkway C-2 and 16 homes in a district too small to name here.

In ZIP Code 63038 · Wildwood, Missouri the single-name answer is the true one: Rockwood R-VI holds all 2,430 homes counted there, and no other district holds a share worth naming.

Rockwood R-VI reaches into ZIP Code 63021 · Ballwin, Missouri with 8,203 of its 23,270 homes; 3 districts there hold a real share of it, and Parkway C-2 leads them. The familiar answer for that area is one of the others, and it is wrong for those 8,203 homes.

Rockwood R-VI reaches into ZIP Code 63017 · Chesterfield, Missouri with 2,118 of its 18,209 homes, behind Parkway C-2. The familiar answer for that area is the other name, and it is wrong for those 2,118 homes.

ZIP Code 63069 · Wildwood, Missouri is another area where Rockwood R-VI is present without being the answer: 1,161 of its 6,295 homes, behind Meramec Valley R-III.

Who takes the other homes in its ZIP Codes

Rockwood R-VI runs kindergarten through grade 12 itself, so an address it holds sees no change of authority between grade school and high school. The districts listed below are the ones that take the other homes in the ZIP Code areas it shares — Parkway C-2, Kirkwood R-VII and Francis Howell R-III. They are neighbors on the same postal ground, not the next stop for its own students.

• Parkway C-2 School District37,390 homes in 6 shared ZIP Code areas
• Kirkwood R-VII School District16,160 homes in 1 shared ZIP Code area
• Francis Howell R-III School District15,769 homes in 1 shared ZIP Code area
• Northwest R-I School District14,327 homes in 4 shared ZIP Code areas
• Fox C-6 School District6,566 homes in 3 shared ZIP Code areas
• Meramec Valley R-III School District5,032 homes in 1 shared ZIP Code area

Who it shares ZIP Codes with

Rockwood R-VI shares ZIP Code areas with 8 different districts. The most frequent are Parkway C-2, Northwest R-I, Fox C-6 and Valley Park. In a neighborhood this crowded the question is not which district serves the ZIP Code but which side of which street an address is on.

• Parkway C-2 School District5 shared ZIP areas
• Northwest R-I School District4 shared ZIP areas
• Fox C-6 School District3 shared ZIP areas
• Valley Park School District2 shared ZIP areas
• Washington School District2 shared ZIP areas
• Hillsboro R-III School District1 shared ZIP area

Where this district sits

• School districts in Missouri749 of 1,034 ZIP areas split
• Every district with a page here260 districts listed

What to do next

Ask the district office to confirm your street address. A district settles that question on its own site: look for a school locator, a find my school tool, or an attendance zone map. Where there is none, ask the office itself.

A ZIP Code is a set of mail delivery routes, not a boundary: in 11 of the 15 ZIP Code areas Rockwood R-VI reaches, at least one other district holds a real share of the homes as well, and the line between them runs along streets. Only the district can say which side of that line an address is on.

This site links to no district website. None of the federal files it is built from publishes one, and a guessed address is worse than none. It is the district office, not a search engine, that settles an address.

If a house purchase depends on the answer, ask the district itself for written confirmation of that exact address. A listing is not a district record, and neither is this page.

What this cannot tell you

The homes were counted in the 2020 Census and the district lines are the 2026 boundary file. Nothing on this page adjusts one to the other. Where houses have been built or cleared since the count, a share here describes the place as it was counted rather than as it stands today, and in the fastest-growing ZIP Code areas that gap is the largest single source of error on this site.

A share on this page is a share of the homes in the ZIP Code area, not a probability for any particular address. Enrollment is decided by street address, and a district may run magnet, charter or choice programs that ignore the boundary entirely. If a decision depends on the answer, the district office is the only authority; this page shows what the federal boundary files say and when they were published.

A district boundary is not a school attendance zone. This site never says which school an address is assigned to: no current national dataset of attendance zones exists, and the district draws them itself. Nor is anything here endorsed or certified by the Census Bureau; we use their published files, and that is the whole of the relationship.

A ZIP Code is a set of mail delivery routes, not an area. What is mapped here is the Census Bureau's ZIP Code Tabulation Area, the closest published approximation to it. The two are not identical, and a handful of ZIP Codes used only for post office boxes or single buildings have no tabulation area at all.

Where these numbers come from

School district boundaries come from the Census Bureau's Census Geographic Relationship File, current 2026 vintage, which assigns every census block to a unified district or to an elementary and a secondary district. Homes and residents in each block come from the 2020 Census Redistricting Data (PL 94-171), H1_001 and P1_001. The ZIP Code areas come from the same Geographic Relationship File, block to ZIP Code Tabulation Area. District names and grade ranges come from the Census Gazetteer 2025, with 2020 for districts no longer listed.

The place name printed beside a ZIP Code comes from the Census 2020 ZIP Code Tabulation Area relationship files: place, county subdivision and county, taken 2026-09-06. It is a label rather than a measurement: the Census Bureau does not publish which post office a ZIP Code belongs to, so the place named is the one covering the most land inside the area, not the city the Postal Service prints on an envelope.

Everything else on this page — the shares, the counts of districts per ZIP, the comparison between the two grade bands, the rankings — is computed here from those files. The source publishes none of it. Snapshot taken 2026-09-03.