Coal Valley: Demographics & People
Census counts 4,229 people in Coal Valley, in 1,657 households. Population grew 2.1% from 4,142 (2022) to 4,229 (2024). Median age 45.3 years. (5.0y older than Rock Island County; 7.6y older than Illinois). Children under 18 are 24% of the population. Population is 86% White (non-Hispanic) and 5% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.14). 75% of households are family-led. County is losing 193 residents per year (2022-2023). County health: 35% adult obesity, 15% smoke.
- 2.6 people per household (vs Illinois avg 2.5).
- 25% non-family households (singles, roommates) (vs Illinois 38%).
- 86 dependents per 100 working-age (youth + seniors / 18-64) (vs Illinois 64).
Population & Trend
Population grew 2.1% from 4,142 (2022) to 4,229 (2024) — about 3.5× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~4,318 (extrapolated at 1.1%/yr trend). Census Bureau Vintage estimate: 4,439.
| Census data vintage | 2024 |
|---|---|
| Population | 49,284 people |
| Annual growth rate · Population change | 2.1% |
| Annual growth rate · Population (2022) | 4,142 |
| Annual growth rate · Population (2024) | 4,229 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 4,229 people (vs Illinois 39,460) |
| Population Estimate | 4,439 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 45.3y is 6.4 years older than the U.S. median (38.9y). Children under 18 make up 24% — above the U.S. share of ~22%.
| Age Summary · Median age | 45.3 years (vs Illinois 37.7y) |
|---|---|
| Age Summary · Children Pct | 24.5% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 4,229 |
| Age Summary · Under 18 | 1,036 |
| Age Summary · 18 To 34 | 583.0× |
| Age Summary · 35 To 64 | 1,696.0× |
| Age Summary · 65 Plus | 914 |
| Population under 18 | 1,036 |
| Median age | 45.3 years (vs Illinois 37.7y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 4,229 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.14 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 3,787 |
|---|---|
| Black residents | 16 |
| Asian residents | 53 |
| Hispanic or Latino residents | 236 |
| Diversity Index · Diversity index (Simpson) | 14.0% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 92.5% |
| Asian population | 1.2% (vs Illinois 6.1%) |
| Black population | 0.7% (vs Illinois 9.3%) |
| Hispanic or Latino population | 5.4% (vs Illinois 17.6%) |
| White (non-Hispanic) population | 86.3% (vs Illinois 54.8%) |
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)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 0.8% are foreign-born — below the U.S. average of 13.9%. 2% have naturalized to U.S. citizenship.
| Residents born in this state | 2,692 |
|---|---|
| Residents born in another state | 1,401 |
| Share born in this state | 63.7% |
| Share born in another state | 36.3% |
| Native-born U.S. citizens | 33.1% |
| Foreign-born residents | 0.8% |
| Naturalized citizens | 2.5% |
| Total foreign-born residents | 88 |
| From Africa | 25 |
Households & Family Composition
1,657 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 75% are family households — above the U.S. share of ~65%. Of 1,257 families, 28% are married couples with children.
| Children under 18 | 986 |
|---|---|
| Total families | 1,257 |
| Married couples with children | 355 |
| Average household size | 2.53 |
| Women who gave birth (past year) | 8.2% |
| Grandparents living with grandchildren | 11 |
| Family households | 1,239 households (vs Illinois 9,709) |
| Households that are families | 74.8% (vs Illinois 62.4%) |
| Total households | 1,657 households (vs Illinois 14,867) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 5.4% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 193 residents per year on net (IRS migration data).
| Moved within the county (past year) | 5.4% |
|---|---|
| Migration · People moving in (annual) | 46,302 |
| Migration · People moving out (annual) | 46,495 |
| Migration · Net migration (in − out) | -193 |
| Migration · Year | 2022-2023 |
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 disability | 295 |
|---|---|
| Disability rate | 7.5% |
Other
| Congressional District · District | 17 |
|---|---|
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 17073 |
| Cdc Birth Rate · State Fips | 17 |
| Cdc Birth Rate · County Fips | 073 |
| Cdc Birth Rate · County | Henry |
| Cdc Birth Rate · Birth Rate | 18.6% |
| Cdc Birth Rate · Lower Ci | 15.40 |
| Cdc Birth Rate · Upper Ci | 22.20 |
| Cdc Mortality · Fips | 17073 |
| Cdc Mortality · County | Henry County |
| Cdc Mortality · Urban Rural | Medium metro |
| Cdc Mortality · Total Deaths 2020 2023 | 1,581 |
| Cdc Vaccination · Fips | 17073 |
| Cdc Vaccination · County | Henry County |
| Cdc Vaccination · Dose1 Pop Pct | 66.7% |
| Cdc Vaccination · Series Complete Pct | 60.9% |
| Cdc Vaccination · Booster Pct | 55.4% |
| Cdc Vaccination · Population 2019 | 48,913 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 1.80 |
| Family Score · Schools | 1 |
| Family Score · Childcare Centers | 1 |
| Family Score · Children Pct | 24.5% |
| Family Score · Rating | limited |
| Town Summary · Key Facts | population 4,229, growing, established, affluent, white collar |
| Town Summary · Population | 4,229 people (vs Illinois 39,460) |
| Town Summary · County | Henry County |
Sources: NCES school congressional district assignment · federal dataset cascade