Seneca Population History 1990 - 2023

What is the current population of Seneca?

Based on the latest 2024 data from the US census, the current population of Seneca is 2,311. Seneca, Illinois is the 7,108th largest city in the US.

What was the peak population of Seneca?

The peak population of Seneca was in 2010, when its population was 2,371. In 2010, Seneca was the 6,934th largest city in the US; now its fallen to the 7,108th largest city in the US. Seneca is currently 2.5% smaller than it was in 2010.

How quickly is Seneca growing?

Seneca has grown 12.6% since the 2000. Seneca, Illinois is growing somewhat quickly; it is growing faster than 73% of similarly sized cities since 2000.

What is the voting age population of Seneca, Illinois?

The total voting age population of Seneca, Illinois, meaning US citizens 18 or older, is 1,759. The voting age population is 50.3% male and 49.7% female.

What percentage of Seneca, Illinois residents are senior citizens?

According to the latest census statistics, 12.8% of the residents of Seneca are 65 or older.

What are the racial demographics of Seneca, Illinois?

The racial demographics of Seneca are 98.4% White, 1.3% Two or more races and 0.3% Black. Additionally, 4.4% of the population identifies as Hispanic.

What percentage of Seneca, Illinois residents are below the poverty line?

In Seneca, 11.1% of residents have an income below the poverty line, and the child poverty rate is 15.5%. On a per-household basis, 11.4% of families are below the poverty line in Seneca.

What percentage of Seneca, Illinois residents are in the labor force?

Among those aged 16 and older, 69.2% of Seneca residents are in the labor force.

What are the education levels among Seneca, Illinois residents?

Among the adult population 25 years old and over, 92.8% of Seneca residents have at least a high school degree or equivalent, 17.7% have a bachelor's degree and 9.5% have a graduate or professional degree.

What percentage of Seneca, Illinois residents speak a non-English language at home?

Among Seneca residents aged 5 and older, 1.2% of them speak a non-English language at home. Broken down by language: 0.5% of residents speak Spanish at home, 0.7% speak an Indo-European language, and 0.0% speak an Asian language.

What is the unemployment rate in Seneca, Illinois?

The unemployment rate in Seneca is 9.1%, which is calculated among residents aged 16 or older who are in the labor force.

What percentage of Seneca, Illinois residents work for the government?

In Seneca, 12.9% of the residents in the non-military labor force are employed by the local, state and federal government.

What is the median income in Seneca, Illinois?

The median household income in Seneca is $72,273.

What percentage of housing units are owner-occupied in Seneca, Illinois?

In Seneca, 83.8% of housing units are occupied by their owners.

What percentage of housing units are rented in Seneca, Illinois?

Renters occupy 16.2% of housing units in Seneca.

What percentage of Seneca, Illinois housing units were built before 1940?

Of all the housing units in Seneca, 24.3% of them were build before 1940.

What percentage of Seneca, Illinois housing units were built after 2000?

In Seneca, 9.8% of the total housing units were built after the year 2000.

What is the median monthly rent in Seneca, Illinois?

The median gross monthly rent payment for renters in Seneca is $741.

What percentage of households in Seneca, Illinois have broadband internet?

In Seneca, 91.7% of households have an active broadband internet connection.