Industries
Business Distribution by Industry in Rohrersville
| Industry Description | Number of Establishments | Average Age of Business |
|---|---|---|
| Construction of buildings | 6 | — |
| Religion | 5 | 36 years |
Rohrersville Facts
| Area | 0.4 mi² |
| Population | 45 |
| Male Population | 20 (44.6%) |
| Female Population | 25 (55.4%) |
| Population change (1975 to 2020) | -52.1% |
| Population change (2000 to 2020) | -69.2% |
| Median Age | 35.5 years (Male: 37.5, Female: 33.8) |
| Area Codes | 301 |
| Neighborhoods | Downtown Frederick |
| Local Time | |
| Timezone | Eastern Daylight Time |
| Lat & Lng | 39.43343, -77.66277 |
| Zip Codes | 21779 |
Map of Rohrersville
Interactive Map
Rohrersville Population
Years 1975 to 2030
| Data | 1975 | 1990 | 2000 | 2015 | 2020 | 2025* | 2030* |
|---|---|---|---|---|---|---|---|
| Population | 94 | 126 | 146 | 170 | 45 | 44 | 45 |
| Population Density | 243.5 / mi² | 326.3 / mi² | 378.1 / mi² | 440.3 / mi² | 116.5 / mi² | 114 / mi² | 116.5 / mi² |
* Projected
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up gridRohrersville Population change from 2000 to 2020
Decrease of 69.2% from year 2000 to 2020
| Location | Change since 1975 | Change since 1990 | Change since 2000 |
|---|---|---|---|
| Rohrersville | -52.1% | -64.3% | -69.2% |
| Maryland | — | — | — |
| United States | — | — | — |
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
Rohrersville Median Age
Median Age: 35.5 years
| Location | Median Age | Median Age (Female) | Median Age (Male) |
|---|---|---|---|
| Rohrersville | 35.5 yrs | 33.8 yrs | 37.5 yrs |
| Maryland | 38.2 yrs | 39.6 yrs | 36.8 yrs |
| United States | 37.4 yrs | 38.7 yrs | 36.1 yrs |
Sources: CIESIN (Center for International Earth Science Information Network)
Rohrersville Population Density
Population Density: 117 / mi²
| Location | Population | Area | Density |
|---|---|---|---|
| Rohrersville | 45 | 0.386 sq mi | 117 / mi² |
| Maryland | 6 million | 12,405.9 sq mi | 483 / 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
Rohrersville 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.
Area Codes
Percentage Area Codes used by businesses in Rohrersville
Price Distribution
Business distribution by price for Rohrersville
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
Rohrersville CO2 Emissions
Carbon Dioxide (CO2) Emissions Per Capita in Tonnes Per Year
| Location | CO2 Emissions | CO2 Emissions Per Capita | CO2 Emissions Intensity |
|---|---|---|---|
| Rohrersville | 1,224 tn | 27.2 tn | 3,169.9 tons/mi² |
| Maryland | 98,007,598 tn | 16.37 tn | 7,900.1 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
Rohrersville CO2 Emissions
| 2013 CO2 emissions (tonnes/year) | 1,224 tn |
| 2013 CO2 emissions (tonnes/year) per capita | 27.2 tn |
| 2013 CO2 emissions intensity (tonnes/mi²/year) | 3,169.9 tons/mi² |
Natural Hazards Risk
Relative risk out of 10
| Hazard | Risk Level |
|---|---|
| Flood | Medium (7) |
* 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 Flood Hazard Frequency and Distribution. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4668B3D.
Recent Nearby Earthquakes
Magnitude 3.0 and greater
| Date▼ | Time↕ | Magnitude↕ | Distance↕ | Depth↕ | Location↕ | Link |
|---|---|---|---|---|---|---|
| 1/17/16 | 7:12 PM | 3.03 | 19.1 km | 4,740 m | 3km NE of Ranson, West Virginia | usgs.gov |
| 7/16/10 | 9:04 AM | 3.6 | 29 km | 7,030 m | 1km NW of Germantown, Maryland | usgs.gov |
| 6/3/10 | 12:25 PM | 3.05 | 93.5 km | 1,500 m | Pennsylvania | usgs.gov |
| 4/26/78 | 7:30 PM | 3.1 | 57.4 km | 15,000 m | Potomac-Shenandoah region | usgs.gov |
Source: U.S. Geological Survey (USGS)
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.