| Place Name | Effingham |
| Place Type | City |
| ZIP Code(s) | 66023 |
| County | Atchison County |
| Area Code(s) | 913 |
| Timezone | Central Daylight Time (CDT) |
| Population (2022) | 540 |
| Population Growth Rate (2010-19) | -9.34% |
| Majority Ethnicity | White 99.03% |
| Metro/Micro Stats Area | Atchison, KS |
| US Congressional District(s) | Kansas 2nd |
| State House Districts | 62 |
| State Senate Districts | 1 |
| Race/Ethnicy | Percentage of Population (2021) |
|---|---|
| White | 99.03% |
| African American | 0% |
| Hispanic | 0% |
| Asian | 0% |
| Native American | 0% |
| Hawaiin/Pacific Islander | 0.97% |