Blackburn: Demographics & People
Blackburn is home to 240 people, in 94 households. Population grew 37.1% from 175 (2022) to 240 (2024). Median age 34.5 years. (0.8y younger than Saline County; 2.7y younger than Missouri). Children under 18 are 23% of the population. Population is 89% White (non-Hispanic) and 7% Black. The community is relatively homogeneous (Simpson index 0.09). 67% of households are family-led. County is gaining 676 residents per year (2022-2023). County health: 39% adult obesity, 21% smoke.
- 2.6 people per household (vs Missouri avg 2.4).
- 33% non-family households (singles, roommates) (vs Missouri 42%).
- 55 dependents per 100 working-age (youth + seniors / 18-64) (vs Missouri 67).
Population & Trend
Population grew 37.1% from 175 (2022) to 240 (2024) — about 61.9× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~337 (extrapolated at 18.6%/yr trend). Census Bureau Vintage estimate: 501.
| Census data vintage | 2024 |
|---|---|
| Population | 32,984 people |
| Annual growth rate · Population change | 37.1% |
| Annual growth rate · Population (2022) | 175 |
| Annual growth rate · Population (2024) | 240 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | booming |
| Population | 240 people (vs Missouri 29,363) |
| Population Estimate | 501 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 34.5y is 4.4 years younger than the U.S. median (38.9y). Children under 18 make up 23% — near the U.S. share of ~22%.
| Age Summary · Median age | 34.5 years (vs Missouri 37.2y) |
|---|---|
| Age Summary · Children Pct | 22.9% |
| Age Summary · Character | young professional |
| Age Summary · Total Pop | 240 |
| Age Summary · Under 18 | 55 |
| Age Summary · 18 To 34 | 68.0× |
| Age Summary · 35 To 64 | 87.0× |
| Age Summary · 65 Plus | 30 |
| Population under 18 | 55 |
| Median age | 34.5 years (vs Missouri 37.2y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 240 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.09 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 166 |
|---|---|
| Black residents | 3 |
| Hispanic or Latino residents | 5 |
| Diversity Index · Diversity index (Simpson) | 8.9% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 95.4% |
| Black population | 7.1% (vs Missouri 6.6%) |
| Hispanic or Latino population | 2.1% (vs Missouri 5.3%) |
| White (non-Hispanic) population | 88.8% (vs Missouri 77.7%) |
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 (7)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 3.8% are foreign-born — below the U.S. average of 13.9%. 1% have naturalized to U.S. citizenship.
| Residents born in this state | 187 |
|---|---|
| Residents born in another state | 42 |
| Share born in this state | 77.9% |
| Share born in another state | 22.1% |
| Native-born U.S. citizens | 17.5% |
| Foreign-born residents | 3.8% |
| Naturalized citizens | 0.8% |
| Total foreign-born residents | 3 |
| From Europe | 3 |
Households & Family Composition
94 households. Averaging 2.5 people each — matches the U.S. average of 2.5. 67% are family households — near the U.S. share of ~65%. Of 37 families, 27% are married couples with children.
| Children under 18 | 45 |
|---|---|
| Total families | 37 |
| Married couples with children | 10 |
| Single-parent households | 3 |
| Average household size | 2.50 |
| Women who gave birth (past year) | 7.0% |
| Grandparents living with grandchildren | 509 |
| Grandparents responsible for grandchildren | 201 |
| Family households | 63 households (vs Missouri 7,284) |
| Households that are families | 67.0% (vs Missouri 58.3%) |
| Total households | 94 households (vs Missouri 11,992) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 13.8% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 676 residents per year on net (IRS migration data).
| Moved within the county (past year) | 13.8% |
|---|---|
| Migration · People moving in (annual) | 31,489 |
| Migration · People moving out (annual) | 30,813 |
| Migration · Net migration (in − out) | 676 |
| Migration · Population growing | Yes |
| 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 | 22 |
|---|---|
| Disability rate | 10.7% |
Other
| Congressional District · District | 4 |
|---|---|
| Congressional District · Formatted | MO-04 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 29107 |
| Cdc Birth Rate · State Fips | 29 |
| Cdc Birth Rate · County Fips | 107 |
| Cdc Birth Rate · County | Lafayette |
| Cdc Birth Rate · Birth Rate | 25.1% |
| Cdc Birth Rate · Lower Ci | 20.70 |
| Cdc Birth Rate · Upper Ci | 30.10 |
| Cdc Mortality · Fips | 29107 |
| Cdc Mortality · County | Lafayette County |
| Cdc Mortality · Urban Rural | Large fringe metro |
| Cdc Mortality · Total Deaths 2020 2023 | 1,074 |
| Cdc Vaccination · Fips | 29107 |
| Cdc Vaccination · County | Lafayette County |
| Cdc Vaccination · Dose1 Pop Pct | 53.8% |
| Cdc Vaccination · Series Complete Pct | 47.5% |
| Cdc Vaccination · Booster Pct | 48.7% |
| Cdc Vaccination · Population 2019 | 32,708 |
| Cdc Vaccination · Metro Status | Metro |
| Family Score · Score | 10 |
| Family Score · Schools | 19 |
| Family Score · Children Pct | 22.9% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 240, booming, young professional, upper-middle, mixed |
| Town Summary · Population | 240 people (vs Missouri 29,363) |
| Town Summary · County | Lafayette County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade