# Kennebec

> city in and county seat of Lyman County, South Dakota, United States

**Wikidata**: [Q2408990](https://www.wikidata.org/wiki/Q2408990)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kennebec,_South_Dakota)  
**Source**: https://4ort.xyz/entity/kennebec

## Summary

Kennebec is a city in and the county seat of Lyman County, South Dakota, United States. Located at coordinates 43.904°N, 99.863°W in the Central Time Zone, it had a population of 281 according to the 2020 United States Census. The town covers an area of approximately 2.21 square kilometers at an elevation of 514 meters above sea level.

## Key Facts

- **Classification**: City, town in the United States, and county seat of Lyman County
- **Population**: 240 (2010 Census), 281 (2020 Census)
- **Area**: 2.209553–2.209554 square kilometers (0% water coverage)
- **Elevation**: 514 meters above sea level
- **Coordinates**: 43.904166666667°N, 99.862777777778°W
- **Postal Code**: 57544
- **Local Dialing Code**: 605
- **Time Zone**: Central Time Zone
- **Per Capita Income**: $33,728 (2016–2020 American Community Survey)
- **Number of Households**: 149 (2016–2020 American Community Survey)
- **FIPS 55-3 Code**: 46-33580
- **GNIS Feature IDs**: 1265266 (human settlement), 1267443 (administrative territorial entity)
- **GeoNames ID**: 5228958
- **OpenWeatherMap City ID**: 5228958
- **OpenStreetMap Relation ID**: 195148

## FAQs

**What is Kennebec's administrative role in South Dakota?**
Kennebec serves as the county seat of Lyman County, South Dakota, functioning as the administrative center for county government operations.

**How has Kennebec's population changed between 2010 and 2020?**
According to U.S. Census data, Kennebec's population increased from 240 residents in 2010 to 281 residents in 2020, representing growth of 41 people over the decade.

**Where is Kennebec located geographically?**
Kennebec is situated in Lyman County, South Dakota, United States, at coordinates 43.904°N latitude and 99.863°W longitude, with an elevation of 514 meters above sea level.

**What identifiers are used for Kennebec across different systems?**
Kennebec is identified by multiple systems including VIAF ID 150242367, GeoNames ID 5228958, GNIS Feature IDs 1265266 and 1267443, FIPS code 46-33580, and Library of Congress Authority ID n92110959.

## Why It Matters

Kennebec holds significance as the administrative heart of Lyman County, serving as the county seat where government functions and official business are conducted. Its status as an incorporated municipality with a stable population and documented economic metrics makes it a representative example of small-town America in the Great Plains region. The town's comprehensive documentation across multiple authoritative databases—including census records, geographic information systems, and library authority files—demonstrates its established presence in the American municipal landscape. With per capita income of $33,728 and 149 households, Kennebec represents the economic and demographic profile typical of rural South Dakota communities.

## Notable For

- Serving as the county seat of Lyman County, South Dakota
- Experiencing population growth from 240 to 281 residents between the 2010 and 2020 U.S. Census counts
- Being documented in the 2016–2020 American Community Survey with detailed economic and household data
- Having representation across 31 Wikimedia project language editions and site links
- Maintaining a completely land-based territory with 0% water coverage within its municipal boundaries

## Body

### Administrative Status and Governance

Kennebec operates as an incorporated municipality classified as both a city and town in the United States. Its most significant administrative function is serving as the county seat of Lyman County, South Dakota, making it the center of county government operations. This designation is formally recognized through its GNIS Feature ID 1267443, which classifies it as an administrative territorial entity. The town falls under the governance structure of the United States and is administered within the framework of South Dakota state law.

### Geography and Physical Characteristics

Kennebec is positioned at precise coordinates 43.904166666667° north latitude and 99.862777777778° west longitude in Lyman County. The municipality encompasses a total area of 2.209553 to 2.209554 square kilometers, with the variation reflecting different measurement methodologies and time points (notably April 1, 2010). Notably, the town's territory contains no significant water bodies, with water comprising 0% of its total area as recorded in the 2010 assessment.

The town sits at an elevation of 514 meters above sea level, positioning it within the rolling prairie landscape characteristic of central South Dakota. Kennebec operates within the Central Time Zone, aligning with the majority of South Dakota's time observance.

### Demographics and Population

Federal census data documents Kennebec's population trajectory over the 2010–2020 decade. The 2010 United States Census, conducted April 1, 2010, recorded 240 residents using census determination methodology. By the 2020 United States Census, also conducted April 1, the population had grown to 281 residents—a numerical increase of 41 people, representing substantial percentage growth for a small municipality.

The 2016–2020 American Community Survey, released December 31, 2020, provides supplementary demographic details using survey methodology. This dataset identifies 149 households within Kennebec, offering insight into the community's residential composition.

### Economic Profile

Economic data from the 2016–2020 American Community Survey indicates Kennebec's per capita income at $33,728, measured in United States dollars. This figure, determined through survey methodology and referencing the five-year period ending December 31, 2020, provides a benchmark for understanding the economic conditions within the community. The household count of 149 suggests an average household size consistent with broader American small-town demographics.

### Postal and Communications Infrastructure

Kennebec is served by the United States Postal Service under ZIP code 57544. The town's telecommunications are organized under area code 605, which serves the entire state of South Dakota. This single area code designation reflects the state's relatively low population density and unified telecommunications planning.

### Database Identifiers and Authority Records

Kennebec maintains extensive presence across authoritative databases and identification systems:

**Federal and Geographic Identifiers:**
- FIPS 55-3 Code: 46-33580 (recorded August 1, 2016)
- GNIS Feature ID: 1265266 (human settlement classification), 1267443 (administrative territorial entity)
- GeoNames ID: 5228958

**Library and Bibliographic Identifiers:**
- VIAF ID: 150242367 (Virtual International Authority File)
- Library of Congress Authority ID: n92110959
- National Library of Israel J9U ID: 987007533005605171

**Digital and Web Identifiers:**
- Freebase ID: /m/0_r87 (archived reference from October 28, 2013)
- SNARC ID: 1976
- Yale LUX ID: place/ced4e8d7-29fc-42dc-b20c-42efaf0daf26
- Who's on First ID: 101721791
- OpenWeatherMap City ID: 5228958
- OpenStreetMap Relation ID: 195148

### Media and Wikimedia Presence

Kennebec has substantial representation across Wikimedia projects, with 31 total site links spanning multiple language editions. Wikipedia articles about the town exist in 30 language versions including Arabic, Azerbaijani, Catalan, Cebuano, Welsh, English, Spanish, Basque, Persian, French, Hindi, Hungarian, Italian, Dutch, Norwegian, Polish, Portuguese, Serbian, Swedish, Ukrainian, and both simplified and traditional Chinese, among others.

The official Wikipedia title is "Kennebec, South Dakota," which also serves as the commons category name for media files. Visual documentation includes an image of the Kennebec water tower (Kennebec_SD_water_tower.jpg) and a locator map showing the town's position within Lyman County's incorporated and unincorporated areas (Lyman_County_South_Dakota_Incorporated_and_Unincorporated_areas_Kennebec_Highlighted.svg).

### Official Nomenclature

The municipality's official name is simply "Kennebec," as recorded in authoritative sources. Alternative designations include "Kennebec, South Dakota" and "Kennebec, SD," which incorporate state identification for disambiguation purposes. The Wikidata description formally characterizes it as "city in and county seat of Lyman County, South Dakota, United States."

## References

1. Virtual International Authority File
2. Freebase Data Dumps. 2013
3. [Geographic Names Information System](http://geonames.usgs.gov/docs/federalcodes/NationalFedCodes_20160801.zip)
4. 2010 U.S. Gazetteer Files
5. [2010 United States Census](https://data.census.gov/cedsci/table?g=0100000US%241600000&y=2010&d=DEC%20Redistricting%20Data%20%28PL%2094-171%29)
6. [2020 United States Census](https://data.census.gov/cedsci/table?t=Populations%20and%20People&g=0100000US,%241600000&y=2020)
7. [2016–2020 American Community Survey](https://data.census.gov/cedsci/table?d=ACS%205-Year%20Estimates%20Detailed%20Tables)
8. GeoNames
9. 2016 U.S. Gazetteer Files
10. National Library of Israel Names and Subjects Authority File
11. [2016–2020 American Community Survey](https://data.census.gov/cedsci/table?t=Income%20and%20Poverty&g=0100000US,%241600000&tid=ACSST5Y2020.S1902)