Ridgelands Facts
| Area | 99.1 km² |
| Population | 137 |
| Male Population | 72 (52.3%) |
| Female Population | 65 (47.7%) |
| Population change (1975 to 2020) | +85.1% |
| Population change (2000 to 2020) | +41.2% |
| Median Age | 40.6 years (Male: 42, Female: 39.4) |
| GDP per capita (PPP) | $41,181 (2022) |
| Local Time | |
| Timezone | Australian Eastern Standard Time |
| Lat & Lng | -23.25000, 150.28333 |
Map of Ridgelands
Interactive Map
Ridgelands Population
Years 1975 to 2030
| Data | 1975 | 1990 | 2000 | 2015 | 2020 | 2025* | 2030* |
|---|---|---|---|---|---|---|---|
| Population | 74 | 91 | 97 | 122 | 137 | 142 | 149 |
| Population Density | 0.7 / km² | 0.9 / km² | 1 / km² | 1.2 / km² | 1.4 / km² | 1.4 / km² | 1.5 / km² |
* Projected
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up gridRidgelands Population change from 2000 to 2020
Increase of 41.2% from year 2000 to 2020
| Location | Change since 1975 | Change since 1990 | Change since 2000 |
|---|---|---|---|
| Ridgelands | +85.1% | +50.5% | +41.2% |
| Queensland | — | — | — |
| Australia | — | — | — |
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
Ridgelands Median Age
Median Age: 40.6 years
| Location | Median Age | Median Age (Female) | Median Age (Male) |
|---|---|---|---|
| Ridgelands | 40.6 yrs | 39.4 yrs | 42 yrs |
| Queensland | 36.8 yrs | 37.5 yrs | 36.1 yrs |
| Australia | 37.7 yrs | 38.6 yrs | 36.8 yrs |
Sources: CIESIN (Center for International Earth Science Information Network)
Ridgelands Population Density
Population Density: 1.4 / km²
| Location | Population | Area | Density |
|---|---|---|---|
| Ridgelands | 137 | 99.1 km² | 1.4 / km² |
| Queensland | 4.8 million | 1,730,083.5 km² | 2.7 / km² |
| Australia | 23.8 million | 7,690,961.5 km² | 3.1 / km² |
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
Ridgelands Historical and Projected Population
Estimated Population from 0 to 2100
Sources:
- JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
- CIESIN (Center for International Earth Science Information Network)
- [Link] Klein Goldewijk, K., Beusen, A., Doelman, J., and Stehfest, E.: Anthropogenic land use estimates for the Holocene – HYDE 3.2, Earth Syst. Sci. Data, 9, 927–953, https://doi.org/10.5194/essd-9-927-2017, 2017.
Human Development Index (HDI)
Statistic composite index of life expectancy, education, and per capita income.
Source: [Link] Kummu, M., Taka, M. &Guillaume, J. Gridded global datasets for Gross Domestic Product and Human Development Index over 1990–2015. Sci Data 5, 180004 (2018) doi:10.1038/sdata.2018.4
Ridgelands Gross Domestic Product (GDP)
GDP per capita, PPP (constant 2017 international $)
| Data | 1990 | 1995 | 2000 | 2005 | 2010 | 2015 | 2020 | 2022 |
|---|---|---|---|---|---|---|---|---|
| GDP per capita | $29,086 | $26,620 | $35,655 | $41,886 | $34,776 | $39,581 | $40,170 | $41,181 |
| Total GDP | $3.5M | $3.3M | $4.9M | $5.8M | $4.9M | $5.6M | $5.6M | $5.9M |
Source: [Link] Kummu, M., Kosonen, M. & Masoumzadeh Sayyar, S. Downscaled gridded global dataset for gross domestic product (GDP) per capita PPP over 1990–2022. Sci Data 12, 178 (2025) doi:10.1038/s41597-025-04487-x
Ridgelands CO2 Emissions
Carbon Dioxide (CO2) Emissions Per Capita in Tonnes Per Year
| Location | CO2 Emissions | CO2 Emissions Per Capita | CO2 Emissions Intensity |
|---|---|---|---|
| Ridgelands | 2,461 tn | 17.97 tn | 24.8 tons/km² |
| Queensland | 83,884,578 tn | 17.64 tn | 48.5 tons/km² |
| Australia | 401,155,564 tn | 16.88 tn | 52.2 tons/km² |
Sources: [Link] Moran, D., Kanemoto K; Jiborn, M., Wood, R., Többen, J., and Seto, K.C. (2018) Carbon footprints of 13,000 cities. Environmental Research Letters DOI: 10.1088/1748-9326/aac72a
Ridgelands CO2 Emissions
| 2013 CO2 emissions (tonnes/year) | 2,461 tn |
| 2013 CO2 emissions (tonnes/year) per capita | 17.97 tn |
| 2013 CO2 emissions intensity (tonnes/km²/year) | 24.8 tons/km² |
Natural Hazards Risk
Relative risk out of 10
| Hazard | Risk Level |
|---|---|
| Earthquake | Medium (4) |
* Risk, particularly concerning flood or landslide, may not be for the entire area.
Sources:
- Dilley, M., R.S. Chen, U. Deichmann, A.L. Lerner-Lam, M. Arnold, J. Agwe, P. Buys, O. Kjekstad, B. Lyon, and G. Yetman. 2005. Natural Disaster Hotspots: A Global Risk Analysis. Washington, D.C.: World Bank. https://doi.org/10.1596/0-8213-5930-4.
- Center for Hazards and Risk Research - CHRR - Columbia University, Center for International Earth Science Information Network - CIESIN - Columbia University. 2005. Global Earthquake Hazard Distribution - Peak Ground Acceleration. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4BZ63ZS.
About Our Data
The data on this page is estimated using a number of publicly available tools and resources. It is provided without warranty, and could contain inaccuracies. Use at your own risk.

