# Ilam vs Russley, the record side by side

| | [Ilam](https://www.chch.live/ilam) | [Russley](https://www.chch.live/russley) |
|---|---|---|
| Population | **10,730 (2023)** | 2,440 (2023) |
| 2023 Census (SA1 join) | **10,224 (indicative)** | 1,074 (indicative) |
| Census households | **2,673** | 429 |
| Under 15 (Census) | 10% | **18%** |
| 65+ (Census) | 10% | **31%** |
| Area | **3.85 km²** | 1.3 km² |
| People per km² | **2,787** | 1,877 |
| Reports filed | **5,655** | 1,118 |
| Rank on the roll | **22nd of 108** | 73rd of 108 |
| Reports per km² | **1,469** | 860 |
| First report on record | 2015 | 2015 |
| Busiest day | **2023-11-25 (23 reports)** | 2023-01-11 (15 reports) |
| Crashes on record | **313 (2 fatal · 45 serious)** | 108 (7 fatal · 30 serious) |
| Epicentres inside the outline | 1 (biggest M3.1) | 1 (biggest M3.5) |
| Of the outline, red-zoned | — | — |
| The 2011 grade | — | — |
| Flooded on record | 0.3% (1 event) | — |
| The sea’s reach | — | — |
| Slope-hazard bands | — | — |
| The remembered ground | — | — |
| The wild ledger | 1% of the outline | — |
| The kept view | 1% of the outline | — |
| The waiting water | 0% high-hazard (20% managed) | — |
| The quiet lines | all of the outline (44% under the airport’s contours), bird-strike buffer | all of the outline (16% under the airport’s contours), bird-strike buffer |
| The drawn water | 102 reaches (Waimairi Stream, Avon River), 3% setback strips | **14 reaches (Ilam Stream, Pinehurst Crescent Drain), 3% setback strips** |
| The allowed shape | 18% under density overlays, Suburban Density Transition | — |
| The rebuild’s receipts | **1,304 frames filed (2010–2014)** | 415 frames filed (2011–2014) |
| The pedal network | **0.0 km inside the outline (0.0 km separated), Nor'West Arc, Uni-Cycle** | 0.0 km inside the outline |
| The remembered names | — | 3 plaques, Avonhead Park, Manakura 1 Drainage Reserve |
| The rules on the ground | **13 drawn rules, Te Ngai Tuahuriri Runanga** | 3 drawn rules, Te Ngai Tuahuriri Runanga |
| On the hazard register | **6 parcels (3 current)** | 4 parcels (1 current) |
| Made ground on file | 107 parcels (all vouched or natural) | 20 parcels (3 unvouched) |
| Surveyed rocks | — | — |
| Cleanups on file | 1 parcel (none verified) | 2 parcels (2 verified) |
| The model’s verdict | possible (56% of the outline) | low (100% of the outline) |
| Engineered defences | — | — |
| The canopy | **2,437 trees (42 veterans, 1,206 remembered felled)** | 572 trees (1 veteran, 299 remembered felled) |
| The plan’s word | Residential Suburban (40% of the outline, 58% residential) | Residential Suburban (46% of the outline, 48% residential) |
| The plan’s reservations | 3% of the outline (3 designations, learning) | **7% of the outline (7 designations, movement, learning)** |
| The plan’s exceptions | 30% of the outline (15 matters, utilities, heritage) | — |
| The listed city | 16 scheduled items (10 highly significant) | — |
| The usual complaints | Roading/Streets (763), Dumped Rubbish (662), Graffiti (588) | Roading/Streets (191), Water Leak (127), Overgrown Vegetation (75) |
| Schools | **3** | 0 |
| Parks | **7** | 3 |
| Facilities | 0 | 0 |
| Tracks | **30** | 3 |
| Bus stops | **38** | 12 |
| Bus routes through | **7** | 3 |
| Heritage places | **15** | 0 |

Same record, same caveats, the stream counts reports, not virtue.

## Questions, answered briefly

**What is the difference between Ilam and Russley?**

Ilam counts 10,730 people (2023) to Russley's 2,440; Ilam covers 3.85 km², Russley 1.3 km²; the record holds 5,655 reports for Ilam and 1,118 for Russley.

**Which has more heritage places, Ilam or Russley?**

Ilam, 15 on the heritage register to the other’s 0.

**Where do these numbers come from?**

The same public record for both, council reports, the crash register, the heritage schedule, Stats NZ’s counts. The stream counts reports, not virtue; the caveats are each suburb’s own.

HTML: https://www.chch.live/compare?a=ilam&b=russley
Data: https://api.chch.live/suburb?slug=ilam · https://api.chch.live/suburb?slug=russley