Seneca, Illinois
Seneca: Village in Illinois
About
Seneca is a village located in the county of LaSalle in the U.S. state of Illinois. Its population at the 2010 census was 2,371 and a population density of 339 people per km². After 10 years in 2020 city had an estimated population of 2,179 inhabitants.
The village was created 171 years ago in 1853.
Quick Facts about Seneca
| Population : | 2,179 (2020) |
| Country : | United States of America |
| State : | Illinois (United States) |
| County : | LaSalle County |
| Area : | 6.99 km2 |
| Altitude : | 1,650 feet / 503 meters |
| Establishment : | January 01, 1854 (171 years ago) |
| Time Zone : | America/Chicago |
| Local time : | 00:10:59 (5th December 2025) |
| Postal code : | 61360 |
| Density : | 312 Pop. per km² as of 2020 |
| Population growth : | -8.81% (2010-2020) |
Demographics
According to census records, the population of Seneca decreased by 8.81% in 10 years.
| Year | Population | % Change | Method |
| 2010 | 2,371 | - | census |
| 2011 | 2,347 | -1.02% | estimation process |
| 2012 | 2,329 | -0.77% | estimation process |
| 2013 | 2,307 | -0.95% | estimation process |
| 2014 | 2,294 | -0.57% | estimation process |
| 2015 | 2,280 | -0.61% | estimation process |
| 2016 | 2,269 | -0.48% | estimation process |
| 2017 | 2,257 | -0.53% | estimation process |
| 2018 | 2,250 | -0.31% | estimation process |
| 2019 | 2,251 | 0.04% | estimation process |
| 2020 | 2,179 | -3.3% | estimation process |
Demographic Facts
| Estimated population as of July 1, 2019 : | 53,856 |
| Based on demographic estimates as of April 1, 2010 : | 51,214 |
| Based on demographic estimates as of 1 April 2010 : | 5.2% |
| April 1, 2020 Population : | 52,590 |
| April 1, 2010 Population : | 51,199 |
| People under 5 years old, percentage : | 9.6% |
| People under 18 years old, percentage : | 30.3% |
| People over 65 (%) : | 10.2% |
| Female persons, % : | 49.1% |
| White only, percent : | 50.8% |
| Black or African American alone, percent : | 0.9% |
| American Indian and Alaska Native only, % : | 0.8% |
| Asians alone % : | 3.2% |
| Only Native Hawaiians and Other Pacific Islanders, % : | 0.1% |
| % of people who have participated in two or more races : | 1.7% |
| % of Hispanic or Latino : | 81.2% |
| White people, not Hispanic or Latino people, make up the majority of the population. : | 15.2% |
| 2015-2019 Veterans : | 1,104 |
| Percentage of foreign-born people, 2015-2019 : | 36.0% |
| Rate of owner-occupied housing units, 2015-2019 : | 43.2% |
Economic Facts
| Rate of owner-occupied housing units, 2015-2019 : | 43.2% |
| Owner-occupied housing unit median value, 2015-2019 : | $464,200 |
| From 2015 to 2019, the median selected monthly owner costs - with a mortgage : | $2,096 |
| Monthly owner costs, without a mortgage, at the median, 2015-2019 : | $497 |
| 2015-2019 median gross rent : | $1,409 |
| 2015-2019 Households : | 14,717 |
| Population per household, 2015-2019 : | 3.63 |
| Living in the same house a year ago, percentage of people aged one year and up, 2015-2019 : | 92.4% |
| Languages other than English spoken at home, as a percentage of people aged 5 and up, 2015-2019 : | 74.9% |
| Households with computers, %, 2015-2019 : | 81.5% |
| Percentage of households with a broadband Internet subscription, 2015-2019 : | 75.4% |
| Percentage of people aged 25 and up with a high school diploma or higher, 2015-2019 : | 60.8% |
| Bachelor's degree or higher, proportion of people aged 25 and up, 2015-2019 : | 12.3% |
| Percentage of people under the age of 65 who have a disability, 2015-2019 : | 9.2% |
| Persons under the age of 65 who do not have health insurance, as a percentage : | 8.6% |
| Total civilian labor force, percent of population aged 16 and up, 2015-2019 : | 67.1% |
| Female labor force participation in the civilian labor force, as a percentage of the population aged 16 and up, 2015-2019 : | 62.0% |
| Total sales of lodging and food services in 2012 ($1,000) : | 72,896 |
| Total receipts/revenue for health care and social assistance in 2012 ($1,000) : | 350,249 |
| Manufacturers' total shipments in 2012 ($1,000) : | 353,754 |
| 2012 total retail sales ($1,000) : | 2,233,311 |
| 2012 total retail sales per capita : | $43,047 |
| Mean commute time to work (in minutes), workers aged 16 and up, 2015-2019 : | 26.3 |
| 2015-2019 median household income (in 2019 dollars) : | $55,470 |
| Income per capita in the previous 12 months (in 2019 dollars), 2015-2019 : | $20,869 |
| Percentage of people living in poverty : | 14.8% |
| Total number of businesses in 2012 : | 3,147 |
| Men-owned businesses in 2012 : | 1,584 |
| Women-owned businesses in 2012 : | 1,169 |
| Minority-owned businesses in 2012 : | 1,870 |
| Non-minority-owned businesses in 2012 : | 1,040 |
| Veteran-owned businesses in 2012 : | 162 |
| Nonveteran-owned businesses in 2012 : | 2,736 |
| 2010 population per square mile : | 7,656.6 |
| 2010 land area in square miles : | 6.69 |
| Rate of owner-occupied housing units, 2015-2019 : | 69.4% |
| Owner-occupied housing unit median value, 2015-2019 : | $299,900 |
| From 2015 to 2019, the median selected monthly owner costs - with a mortgage : | $1,958 |
| Monthly owner costs, without a mortgage, at the median, 2015-2019 : | $619 |
| 2015-2019 median gross rent : | $1,458 |
| 2015-2019 Households : | 41,263 |
| Population per household, 2015-2019 : | 3.38 |
| Living in the same house a year ago, percentage of people aged one year and up, 2015-2019 : | 92.6% |
| Languages other than English spoken at home, as a percentage of people aged 5 and up, 2015-2019 : | 46.4% |
| Households with computers, %, 2015-2019 : | 96.3% |
| Percentage of households with a broadband Internet subscription, 2015-2019 : | 86.1% |
| Percentage of people aged 25 and up with a high school diploma or higher, 2015-2019 : | 91.4% |
| Bachelor's degree or higher, proportion of people aged 25 and up, 2015-2019 : | 27.3% |
| Percentage of people under the age of 65 who have a disability, 2015-2019 : | 4.3% |
| Persons under the age of 65 who do not have health insurance, as a percentage : | 14.4% |
| Total civilian labor force, percent of population aged 16 and up, 2015-2019 : | 69.7% |
| Female labor force participation in the civilian labor force, as a percentage of the population aged 16 and up, 2015-2019 : | 67.2% |
| Total sales of lodging and food services in 2012 ($1,000) : | 95,104 |
| Manufacturers' total shipments in 2012 ($1,000) : | 209,521 |
| 2012 total retail sales ($1,000) : | 1,659,505 |
| 2012 total retail sales per capita : | $12,891 |
| Mean commute time to work (in minutes), workers aged 16 and up, 2015-2019 : | 30.0 |
| 2015-2019 median household income (in 2019 dollars) : | $70,669 |
| Income per capita in the previous 12 months (in 2019 dollars), 2015-2019 : | $28,697 |
| Percentage of people living in poverty : | 10.0% |
| Total number of businesses in 2012 : | 17,168 |
| Men-owned businesses in 2012 : | 7,713 |
| Women-owned businesses in 2012 : | 8,136 |
| Minority-owned businesses in 2012 : | 14,729 |
| Non-minority-owned businesses in 2012 : | 2,040 |
| Veteran-owned businesses in 2012 : | 1,193 |
| Nonveteran-owned businesses in 2012 : | 15,712 |
| 2010 population per square mile : | 4,134.1 |
| 2010 land area in square miles : | 29.52 |
| Rate of owner-occupied housing units, 2015-2019 : | 43.6% |
| Owner-occupied housing unit median value, 2015-2019 : | $75,200 |
| From 2015 to 2019, the median selected monthly owner costs - with a mortgage : | $949 |
| Monthly owner costs, without a mortgage, at the median, 2015-2019 : | $345 |
| 2015-2019 median gross rent : | $714 |
| 2015-2019 Households : | 4,161 |
| Population per household, 2015-2019 : | 2.37 |
| Living in the same house a year ago, percentage of people aged one year and up, 2015-2019 : | 85.5% |
| Languages other than English spoken at home, as a percentage of people aged 5 and up, 2015-2019 : | 7.3% |
| Households with computers, %, 2015-2019 : | 74.7% |
| Percentage of households with a broadband Internet subscription, 2015-2019 : | 65.3% |
| Percentage of people aged 25 and up with a high school diploma or higher, 2015-2019 : | 81.9% |
| Bachelor's degree or higher, proportion of people aged 25 and up, 2015-2019 : | 11.1% |
| Percentage of people under the age of 65 who have a disability, 2015-2019 : | 12.7% |
| Persons under the age of 65 who do not have health insurance, as a percentage : | 17.7% |
| Total civilian labor force, percent of population aged 16 and up, 2015-2019 : | 48.2% |
| Female labor force participation in the civilian labor force, as a percentage of the population aged 16 and up, 2015-2019 : | 47.3% |
| Total sales of lodging and food services in 2012 ($1,000) : | 35,190 |
| Total receipts/revenue for health care and social assistance in 2012 ($1,000) : | 193,204 |
| Manufacturers' total shipments in 2012 ($1,000) : | 760,126 |
| 2012 total retail sales ($1,000) : | 412,917 |
| 2012 total retail sales per capita : | $39,431 |
| Mean commute time to work (in minutes), workers aged 16 and up, 2015-2019 : | 19.6 |
| 2015-2019 median household income (in 2019 dollars) : | $26,881 |
| Income per capita in the previous 12 months (in 2019 dollars), 2015-2019 : | $16,292 |
| Percentage of people living in poverty : | 35.7% |
| Total number of businesses in 2012 : | 1,051 |
| Men-owned businesses in 2012 : | 434 |
| Women-owned businesses in 2012 : | 380 |
| Minority-owned businesses in 2012 : | 378 |
| Non-minority-owned businesses in 2012 : | 566 |
| Veteran-owned businesses in 2012 : | 111 |
| Nonveteran-owned businesses in 2012 : | 827 |
| 2010 population per square mile : | 1,235.3 |
| 2010 land area in square miles : | 8.55 |
| Rate of owner-occupied housing units, 2015-2019 : | 38.1% |
| Owner-occupied housing unit median value, 2015-2019 : | $119,200 |
| From 2015 to 2019, the median selected monthly owner costs - with a mortgage : | $1,147 |
| Monthly owner costs, without a mortgage, at the median, 2015-2019 : | $344 |
| 2015-2019 median gross rent : | $716 |
| 2015-2019 Households : | 5,906 |
| Population per household, 2015-2019 : | 2.48 |
| Living in the same house a year ago, percentage of people aged one year and up, 2015-2019 : | 86.6% |
| Languages other than English spoken at home, as a percentage of people aged 5 and up, 2015-2019 : | 15.4% |
| Households with computers, %, 2015-2019 : | 70.2% |
| Percentage of households with a broadband Internet subscription, 2015-2019 : | 59.8% |
| Percentage of people aged 25 and up with a high school diploma or higher, 2015-2019 : | 79.7% |
| Bachelor's degree or higher, proportion of people aged 25 and up, 2015-2019 : | 16.3% |
| Percentage of people under the age of 65 who have a disability, 2015-2019 : | 10.1% |
| Persons under the age of 65 who do not have health insurance, as a percentage : | 22.6% |
| Total civilian labor force, percent of population aged 16 and up, 2015-2019 : | 57.2% |
| Female labor force participation in the civilian labor force, as a percentage of the population aged 16 and up, 2015-2019 : | 55.7% |
| Total sales of lodging and food services in 2012 ($1,000) : | 84,418 |
| 2012 total retail sales ($1,000) : | 523,734 |
| 2012 total retail sales per capita : | $31,414 |
| Mean commute time to work (in minutes), workers aged 16 and up, 2015-2019 : | 17.1 |
| 2015-2019 median household income (in 2019 dollars) : | $38,316 |
| Income per capita in the previous 12 months (in 2019 dollars), 2015-2019 : | $19,775 |
| Percentage of people living in poverty : | 35.0% |
| Total number of businesses in 2012 : | 1,842 |
| Men-owned businesses in 2012 : | 920 |
| Women-owned businesses in 2012 : | 757 |
| Minority-owned businesses in 2012 : | 636 |
| Non-minority-owned businesses in 2012 : | 1,064 |
| Veteran-owned businesses in 2012 : | 140 |
| Nonveteran-owned businesses in 2012 : | 1,547 |
| 2010 population per square mile : | 1,309.1 |
| 2010 land area in square miles : | 12.49 |
Where ot Eat in Seneca
1 Subway
114 W Jackson St, Seneca, IL 61360, United States ➦ Show Map
☎ +18153578050 🔗 Url
Other Places in Seneca
1 Seneca City Hall
340 N Cash St, Seneca, IL 61360 ➦ Show Map
☎ +18153578771 🔗 Url
2 Brookfield Town Hall
Seneca, IL 61360 ➦ Show Map
☎ +18153571144 🔗 Url
Schools in Seneca
College & universities near Seneca, IL
| Code | Name | City | ZIP |
|---|---|---|---|
| 145831 | Illinois Valley Community College | Oglesby (IL) | 61348-9692 |
| 146296 | Joliet Junior College | Joliet (IL) | 60431-8938 |
| 462345 | The Salon Professional Academy-Shorewood | Shorewood (IL) | 60404-8789 |
| 146454 | Educators of Beauty College of Cosmetology-Peru | PERU (IL) | 61354-1450 |
| 148098 | Professional's Choice Hair Design Academy | Joliet (IL) | 60435 |
Stations (22)
Amtrak & bus stations near Seneca, IL
| Code | Name | Address | Type |
|---|---|---|---|
| DWT | Dwight station | 119 West Main St. | RAIL |
| PLO | Plano | 101 West Main Street | RAIL |
| PON | Pontiac station | 721 West Washington St. | RAIL |
| MDT | Mendota station | 783 Main Street | RAIL |
| JOL | Joliet Transportation Center | 50 East Jefferson Street | RAIL |
Other places with the same name (8)
- Seneca , South Carolina city in South Carolina with a population of 8,564 people.
- Seneca , Missouri city in Missouri with a population of 2,394 people.
- Seneca , Kansas city in Kansas with a population of 2,079 people.
- Seneca , Michigan township in Lenawee County, Michigan with a population of 1,181 people.
- Seneca , Wisconsin town in Crawford County, Wisconsin, United States with a population of 1,051 people.
- Seneca , Oregon city in Oregon, USA with a population of 225 people.
- Seneca , South Dakota town in South Dakota, United States of America with a population of 37 people.
Other cities in LaSalle County
Cities, towns, neighborhoods & other populated places in LaSalle County , IL. (more)
| City Name | Population | Title |
|---|---|---|
| Ottawa | 18,097 | City in Illinois, United States |
| Streator | 12,933 | City in Illinois |
| Peru | 9,612 | City in Illinois, United States |
| La Salle | 9,609 | City in LaSalle County, Illinois, United States |
| Mendota | 6,904 | Township in LaSalle County, Illinois |
| Northville | 6,753 | Township in LaSalle County, Illinois |
| Marseilles | 4,778 | City in LaSalle County, Illinois |
| Deer Park | 4,199 | Village in United States of America |
| Oglesby | 3,526 | City in LaSalle Co. |
| Sheridan | 2,515 | Village in Illinois, United States |
| Utica | 1,988 | Village also known as Utica, in LaSalle County, Illinois |
| Earlville | 1,570 | City in Delaware County, Iowa, United States of America |
| Garfield | 1,483 | Human settlement in Illinois, United States of America |
| Serena | 1,088 | Human settlement in Illinois, United States of America |
| Leland | 902 | Village in Illinois, United States |
| Farm Ridge | 858 | Township in LaSalle County, Illinois |
Distance to Other Cities
Seneca distances to largest Illinois cities
