diff --git a/src/marks/box.js b/src/marks/box.js
index 8bc8a7fbfa..f87d061115 100644
--- a/src/marks/box.js
+++ b/src/marks/box.js
@@ -34,7 +34,7 @@ export function boxX(
     barX(data, group({x1: "p25", x2: "p75"}, {x, y, fill, fillOpacity, ...options})),
     tickX(data, group({x: "p50"}, {x, y, stroke, strokeOpacity, strokeWidth, sort, ...options})),
     dot(data, map({x: oqr}, {x, y, z: y, stroke, strokeOpacity, ...options})),
-    tip && tipmark(data, pointerY(group({x: "median", title: boxStats}, {x, y, z: y, title: x, ...options})))
+    tip && tipmark(data, pointerY(group({x: "p50", title: boxStats}, {x, y, z: y, title: x, ...options})))
   );
 }
 
@@ -61,7 +61,7 @@ export function boxY(
     barY(data, group({y1: "p25", y2: "p75"}, {x, y, fill, fillOpacity, ...options})),
     tickY(data, group({y: "p50"}, {x, y, stroke, strokeOpacity, strokeWidth, sort, ...options})),
     dot(data, map({y: oqr}, {x, y, z: x, stroke, strokeOpacity, ...options})),
-    tip && tipmark(data, pointerX(group({y: "median", title: boxStats}, {x, y, z: x, title: y, ...options})))
+    tip && tipmark(data, pointerX(group({y: "p50", title: boxStats}, {x, y, z: x, title: y, ...options})))
   );
 }
 
@@ -109,41 +109,15 @@ function boxStats(values) {
       break;
     }
   }
-  let _loqr1 = 0;
-  let _hiqr2 = 0;
-  let _q1 = 0;
-  let _q2 = 0;
-  let _q3 = 0;
-  for (const d of V) {
-    switch (true) {
-      case d < loqr1:
-        _loqr1++;
-      // eslint-disable-next-line no-fallthrough
-      case d <= q1:
-        _q1++;
-      // eslint-disable-next-line no-fallthrough
-      case d <= q2:
-        _q2++;
-      // eslint-disable-next-line no-fallthrough
-      case d <= q3:
-        _q3++;
-      // eslint-disable-next-line no-fallthrough
-      case d <= hiqr2:
-        break;
-      default:
-        _hiqr2++;
-    }
-  }
   const f = formatDefault;
   return (
     q1 === q3
       ? [f(q2)]
       : [
-          loqr1 < q2 && `${f(_loqr1)}# < ${f(loqr1)}`,
-          q1 < q2 && `${_q1}# ≤ ${f(q1)}`,
-          `${_q2}# ≤ ${f(q2)}`,
-          q3 > q2 && `${_q3}# ≤ ${f(q3)}`,
-          hiqr2 > q2 && `${f(_hiqr2)}# > ${f(hiqr2)}`
+          q1 < q2 && `p25: ${f(q1)}`,
+          `p50: ${f(q2)}`,
+          q3 > q2 && `p75: ${f(q3)}`,
+          loqr1 < hiqr2 && `[${f(loqr1)} — ${f(hiqr2)}]`
         ]
   )
     .filter((d) => d)