St. Anne: Demographics & People

St. Anne's population stands at 1,104 people, in 442 households. Population grew 3.2% from 1,070 (2022) to 1,104 (2024). Median age 47.9 years. (8.9y older than Kankakee County; 8.8y older than Illinois). Children under 18 are 17% of the population. Population is 73% White (non-Hispanic) and 23% Hispanic or Latino. The community is somewhat diverse (Simpson index 0.33). 73% of households are family-led. County is losing 250 residents per year (2022-2023). County health: 40% adult obesity, 17% smoke.

Population & Trend

Population grew 3.2% from 1,070 (2022) to 1,104 (2024) — about 5.3× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~1,139 (extrapolated at 1.6%/yr trend). Census Bureau Vintage estimate: 1,187.

Census data vintage2024
Population107,502 people
Annual growth rate · Population change3.2%
Annual growth rate · Population (2022)1,070
Annual growth rate · Population (2024)1,104
Annual growth rate · Population growingYes
Annual growth rate · Trend categorygrowing
Population1,104 people
Population Estimate1,187

Sources: Census ACS 5-Year 2023, Table B01003  ·  Refreshed 2026-04-12

Age Distribution

Median age 47.9y is 9.0 years older than the U.S. median (38.9y). Children under 18 make up 17% — below the U.S. share of ~22%.

Age Summary · Median age47.9 years (vs Illinois 39.1y)
Age Summary · Children Pct17.2%
Age Summary · Characterestablished
Population under 18190
Median age47.9 years (vs Illinois 39.1y)

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Race, Ethnicity & Diversity

Of 1,104 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.33 (0 = single group, 1 = perfectly even distribution); this is read as somewhat diverse.

White residents872
Black residents23
Hispanic or Latino residents203
Diversity Index · Diversity index (Simpson)33.5%
Diversity Index · Diversity labelsomewhat diverse
Diversity Index · Groups counted3
Diversity Index · Largest group share79.4%
Black population3.7%
Hispanic or Latino population23.0%
White (non-Hispanic) population72.6%

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Ancestry

Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.

Top (8)

(unnamed)
German
(unnamed)
Hispanic Total
(unnamed)
Puerto Rican
(unnamed)
Irish
(unnamed)
English
(unnamed)
Black
(unnamed)
American
(unnamed)
Italian

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 0.4% are foreign-born — below the U.S. average of 13.9%. 7% have naturalized to U.S. citizenship.

Residents born in this state912
Residents born in another state115
Share born in this state82.6%
Share born in another state17.4%
Native-born U.S. citizens10.4%
Foreign-born residents0.4%
Naturalized citizens6.6%
Total foreign-born residents37

Households & Family Composition

442 households. Averaging 2.4 people each — matches the U.S. average of 2.5. 73% are family households — above the U.S. share of ~65%. Of 296 families, 19% are married couples with children.

Children under 18218
Total families296
Married couples with children55
Single-parent households23
Average household size2.42
Women who gave birth (past year)16.0%
Grandparents living with grandchildren29
Family households323 households
Households that are families73.1%
Total households442 households

Sources: Census ACS 5-Year 2023  ·  Refreshed 2026-04-12

Residential Stability & Migration

How long residents have lived here and where they came from. 6.9% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 250 residents per year on net (IRS migration data).

Moved within the county (past year)6.9%
Migration · People moving in (annual)94,881
Migration · People moving out (annual)95,131
Migration · Net migration (in − out)-250
Migration · Year2022-2023

Sources: IRS SOI Migration 2021-2022  ·  Refreshed 2026-04-12

Disability

Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.

Residents with a disability43
Disability rate4.2%

Other

Congressional District · District2
Congressional District · FormattedIL-02
Congressional District · Congress118th
Cdc Birth Rate · Fips17,091
Cdc Birth Rate · State Fips17
Cdc Birth Rate · County Fips91
Cdc Birth Rate · CountyKankakee
Cdc Birth Rate · Birth Rate18.4%
Cdc Birth Rate · Lower Ci16.40
Cdc Birth Rate · Upper Ci20.60
Cdc Mortality · Fips17,091
Cdc Mortality · CountyKankakee County
Cdc Mortality · Urban RuralSmall metro
Cdc Mortality · Total Deaths 2020 20234,632
Cdc Vaccination · Fips17,091
Cdc Vaccination · CountyKankakee County
Cdc Vaccination · Dose1 Pop Pct58.1%
Cdc Vaccination · Series Complete Pct54.0%
Cdc Vaccination · Booster Pct52.1%
Cdc Vaccination · Population 2019109,862
Cdc Vaccination · Metro StatusMetro
Family Score · Score10
Family Score · Schools20
Family Score · Children Pct17.2%
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 1,104, growing, established, upper-middle, blue collar
Town Summary · Population1,104 people
Town Summary · CountyKankakee County

Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade