Seneca, KS Community Profile: Data

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Seneca, Kansas - Basic Facts

Seneca is the common name for the community and surrounding area while the formal official name is the City of Seneca.

It is an incorporated place (Class Code P1) located in Nemaha County at latitude 39.8342 and longitude -96.0642. Nemaha County is in the Central time zone (GMT -6). The elevation is 1,142 feet.

The formal boundaries for the City of Seneca (see map) encompass a land area of 1.64 sq. miles and a water area of 0 sq. miles.

Alternate Unofficial Names for Seneca: Castle Rock.

Camera Icon Photos of the local Seneca, KS area

Also See: Seneca, KS ZIP Codes and ZIP Code Maps

Seneca, KS Data & Demographics (As of July 1, 2014)


Total Population 1,968
Population in Households 1,887
Population in Familes 1,468
Population in Group Qrtrs 81
Population Density1 1,206
Diversity Index2 5


Total Households 913
Average Household Size 2.07
Family Households 534
Average Family Size 3


Total Housing Units 991 (100%)
Owner Occupied HU 676 (68.2%)
Renter Occupied HU 236 (23.8%)
Vacant Housing Units 78 ( 7.9%)
Median Home Value $81,559
Average Home Value $120,870


Median Household Income $45,704
Average Household Income $63,094
Per Capita Income $28,561
  (Compound Annual Growth Rates)


2010-2014 2014-2019
Population -0.27% -0.15%
Households 0.13% 0.07%
Families 1.13% -0.04%
Median Household Income   3.3%
Per Capita Income   3.12%
1) Population Density = Total Population per square mile.
2) The Diversity Index is a scale of 0 to 100 that represents the likelyhood that two persons, chosen at random from the same area, belong to different race or ethnic groups. If an area's entire population belongs to one race AND one ethnic group, then the area has zero diversity. An area's diversity index increases to 100 when the population is evenly divided into two or more race/ethnic groups.
Based on Census 2010 counts, the Diversity Index for the United States was 60.6 and it is expected to increase to 64.8 by July 1, 2018.


Seneca, KS - Peer Comparisons by Rank and Percentile

The table below compares Seneca to the other 671 incorporated cities, towns and CDPs in Kansas by rank and percentile using July 1, 2014 data. The location Ranked # 1 has the highest value. A location that ranks higher than 75% of its peers would be in the 75th percentile of the peer group.

Variable Description Rank Percentile
Total Population # 128 81st
Population Density1 # 192 72nd
Diversity Index2 # 646 4th
Median Household Income # 357 47th
Per Capita Income # 75 89th

Additional comparisons and rankings can be made with a VERY EASY TO USE Kansas Census Data Comparison Tool.