Ruby Falls Facts
| Area | 2.1 mi² |
| Population | 1,584 |
| Male Population | 682 (43.1%) |
| Female Population | 902 (56.9%) |
| Population change (1975 to 2020) | +202.3% |
| Population change (2000 to 2020) | +79.8% |
| Median Age | 37.9 years (Male: 33.9, Female: 40.3) |
| GDP per capita (PPP) | $60,449 (2022) |
| Local Time | |
| Timezone | Eastern Daylight Time |
| Lat & Lng | 35.01896, -85.33940 |
Map of Ruby Falls
Interactive Map
Ruby Falls Population
Years 1975 to 2030
| Data | 1975 | 1990 | 2000 | 2015 | 2020 | 2025* | 2030* |
|---|---|---|---|---|---|---|---|
| Population | 524 | 708 | 881 | 994 | 1,584 | 1,621 | 1,685 |
| Population Density | 255.5 / mi² | 345.2 / mi² | 429.5 / mi² | 484.6 / mi² | 772.2 / mi² | 790.3 / mi² | 821.5 / mi² |
* Projected
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up gridRuby Falls Population change from 2000 to 2020
Increase of 79.8% from year 2000 to 2020
| Location | Change since 1975 | Change since 1990 | Change since 2000 |
|---|---|---|---|
| Ruby Falls | +202.3% | +123.7% | +79.8% |
| Tennessee | — | — | — |
| United States | — | — | — |
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
Ruby Falls Median Age
Median Age: 37.9 years
| Location | Median Age | Median Age (Female) | Median Age (Male) |
|---|---|---|---|
| Ruby Falls | 37.9 yrs | 40.3 yrs | 33.9 yrs |
| Tennessee | 38.1 yrs | 39.3 yrs | 36.8 yrs |
| United States | 37.4 yrs | 38.7 yrs | 36.1 yrs |
Sources: CIESIN (Center for International Earth Science Information Network)
Ruby Falls Population Density
Population Density: 772 / mi²
| Location | Population | Area | Density |
|---|---|---|---|
| Ruby Falls | 1,584 | 2.051 sq mi | 772 / mi² |
| Tennessee | 6.7 million | 42,144.3 sq mi | 158 / mi² |
| United States | 321.6 million | 3,796,740.8 sq mi | 84.7 / mi² |
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
Ruby Falls Historical and Projected Population
Estimated Population from 1830 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
Ruby Falls Gross Domestic Product (GDP)
GDP per capita, PPP (constant 2017 international $)
| Data | 1990 | 1995 | 2000 | 2005 | 2010 | 2015 | 2020 | 2022 |
|---|---|---|---|---|---|---|---|---|
| GDP per capita | $39,836 | $50,045 | $47,319 | $49,864 | $47,669 | $50,417 | $59,174 | $60,449 |
| Total GDP | $190M | $260.3M | $260.6M | $285.5M | $287.1M | $311M | $382M | $401.5M |
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
Ruby Falls CO2 Emissions
Carbon Dioxide (CO2) Emissions Per Capita in Tonnes Per Year
| Location | CO2 Emissions | CO2 Emissions Per Capita | CO2 Emissions Intensity |
|---|---|---|---|
| Ruby Falls | 24,763 tn | 15.63 tn | 12,072.7 tons/mi² |
| Tennessee | 123,831,692 tn | 18.6 tn | 2,938.3 tons/mi² |
| United States | 5,664,619,810 tn | 17.62 tn | 1,492 tons/mi² |
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
Ruby Falls CO2 Emissions
| 2013 CO2 emissions (tonnes/year) | 24,763 tn |
| 2013 CO2 emissions (tonnes/year) per capita | 15.63 tn |
| 2013 CO2 emissions intensity (tonnes/mi²/year) | 12,072.7 tons/mi² |
Natural Hazards Risk
Relative risk out of 10
| Hazard | Risk Level |
|---|---|
| Earthquake | Medium (3.3) |
| Cyclone | Medium (5) |
* 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, International Bank for Reconstruction and Development - The World Bank, and United Nations Environment Programme Global Resource Information Database Geneva - UNEP/GRID-Geneva. 2005. Global Cyclone Hazard Frequency and Distribution. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4CZ353K.
- 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.
Recent Nearby Earthquakes
Magnitude 3.0 and greater
| Date▼ | Time↕ | Magnitude↕ | Distance↕ | Depth↕ | Location↕ | Link |
|---|---|---|---|---|---|---|
| 12/12/18 | 9:14 AM | 4.4 | 85.9 km | 7,870 m | 12km NNE of Decatur, Tennessee | usgs.gov |
| 11/1/09 | 5:01 PM | 3 | 46.1 km | 24,510 m | 1km ESE of South Cleveland, Tennessee | usgs.gov |
| 8/1/09 | 1:38 PM | 3.2 | 95.7 km | 5,400 m | 11km NE of McCaysville, Georgia | usgs.gov |
| 6/23/08 | 11:30 PM | 3.1 | 46.7 km | 8,760 m | 12km ENE of Varnell, Georgia | usgs.gov |
| 6/19/07 | 6:16 PM | 3.5 | 85.8 km | 1,170 m | 10km ENE of Spencer, Tennessee | usgs.gov |
| 12/18/06 | 8:34 AM | 3.3 | 97.5 km | 17,690 m | 14km ESE of Englewood, Tennessee | usgs.gov |
| 4/11/06 | 3:29 AM | 3.3 | 87 km | 19,550 m | 5km NE of Etowah, Tennessee | usgs.gov |
| 10/12/05 | 6:27 AM | 3.3 | 90.5 km | 8,119 m | 8km NNE of Athens, Tennessee | usgs.gov |
| 5/2/03 | 10:48 AM | 3.1 | 63.3 km | 14,500 m | 11km ENE of Fort Payne, Alabama | usgs.gov |
| 4/29/03 | 9:45 AM | 3.1 | 69.6 km | 3,080 m | 7km E of Fort Payne, Alabama | usgs.gov |
Source: U.S. Geological Survey (USGS)
Ruby Falls
Ruby Falls is a 145-foot high underground waterfall located within Lookout Mountain, near Chattanooga, Tennessee in the United States.
Ruby Falls Wikipedia Page
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.