elb_centroid: Centroids of electoral divisions in the 2025 Australian...

In prefviz: Visualizes Preference Data via Ternary Plots in Two and Higher Dimensions

Centroids of electoral divisions in the 2025 Australian Federal Election

Description

Provides the centroids of all electorates in the 2025 Australian Federal Election. The dataset is computed from 2025 Electoral Boundaries data.

Usage

elb_centroid

Format

A tibble of 5 columns:

id

Unique identifier for electorate

elect_div

Electoral division name

area_sqkm

Area of the electorate in square kilometres

long

Longitude of the electoratecentroid

lat

Latitude of the electorate centroid

Source

Australian Electoral Commission (AEC) https://www.aec.gov.au/electorates/maps.htm

Examples

library(ggplot2)
library(ggthemes)

# Load the dataset
data(elb_centroid)

# Plot the centroids on top of the electoral boundaries
ggplot(elb_map) + 
  geom_polygon(
    aes(x = long, y = lat, group = group),
    fill = "grey90", color = "white") +
  geom_point(
    data = elb_centroid,
    aes(x = long, y = lat),
    size = 1, alpha = 0.8
  ) +
  theme_map()

prefviz documentation built on April 13, 2026, 5:07 p.m.