Middlebrook: Demographics & People

Middlebrook is home to 241 people, in 156 households. Population grew 51.6% from 159 (2022) to 241 (2024). Median age 69.4 years. (24.3y older than Augusta County; 31.6y older than Virginia). Population is 100% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.00). 60% of households are family-led. County is gaining 1,661 residents per year (2022-2023). County health: 38% adult obesity, 17% smoke.

Population & Trend

Population grew 51.6% from 159 (2022) to 241 (2024) — about 86.0× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~381 (extrapolated at 25.8%/yr trend). Census Bureau Vintage estimate: 635.

Census data vintage2024
Population77,487 people
Annual growth rate · Population change51.6%
Annual growth rate · Population (2022)159
Annual growth rate · Population (2024)241
Annual growth rate · Population growingYes
Annual growth rate · Trend categorybooming
Population241 people (vs Virginia 42,214) population: 4 observations from 2026-04-17 to 2026-04-28
Population Estimate635

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

Age Distribution

Median age 69.4y is 30.5 years older than the U.S. median (38.9y).

Age Summary · Median age69.4 years (vs Virginia 37.8y)
Age Summary · Characterretirement community
Age Summary · Total Pop241
Age Summary · 35 To 6417.0×
Age Summary · 65 Plus224
Age Summary · Pct 35 To 647.0%
Age Summary · Pct 65 Plus93.0%
Median age69.4 years (vs Virginia 37.8y)

Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023  ·  Refreshed 2026-04-29

Race, Ethnicity & Diversity

Of 241 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.00 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.

White residents159
Diversity Index · Diversity labelrelatively homogeneous
Diversity Index · Groups counted1
Diversity Index · Largest group share100.0%
White (non-Hispanic) population100.0% (vs Virginia 53.8%)

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

Citizenship & Origin

Where residents were born and their citizenship status (Census ACS). 7.1% are foreign-born — below the U.S. average of 13.9%.

Residents born in this state207
Residents born in another state17
Share born in this state85.9%
Share born in another state14.1%
Native-born U.S. citizens7.1%
Foreign-born residents7.1%
Total foreign-born residents1,957

Households & Family Composition

156 households. Averaging 1.4 people each — smaller than the U.S. average of 2.5. 60% are family households — below the U.S. share of ~65%. Of 55 families, 0% are married couples with children.

Total families55
Average household size1.42
Grandparents living with grandchildren1,198
Grandparents responsible for grandchildren321
Family households94 households (vs Virginia 9,367)
Households that are families60.3% (vs Virginia 65.0%)
Total households156 households (vs Virginia 14,324) total_households: 2 observations from 2026-04-23 to 2026-04-23

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

Residential Stability & Migration

How long residents have lived here and where they came from. The surrounding county is gaining 1,661 residents per year on net (IRS migration data).

Migration · People moving in (annual)74,553
Migration · People moving out (annual)72,892
Migration · Net migration (in − out)1,661
Migration · Population growingYes
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 disability45
Disability rate100.0%

Other

Congressional District · District6
Congressional District · FormattedVA-06
Congressional District · Congress118th
Cdc Birth Rate · Fips51015
Cdc Birth Rate · State Fips51
Cdc Birth Rate · County Fips015
Cdc Birth Rate · CountyAugusta
Cdc Birth Rate · Birth Rate12.2%
Cdc Birth Rate · Lower Ci10.10
Cdc Birth Rate · Upper Ci14.60
Cdc Mortality · Fips51015
Cdc Mortality · CountyAugusta County
Cdc Mortality · Urban RuralSmall metro
Cdc Mortality · Total Deaths 2020 20233,707
Cdc Vaccination · Fips51015
Cdc Vaccination · CountyAugusta County
Cdc Vaccination · Dose1 Pop Pct56.2%
Cdc Vaccination · Series Complete Pct49.9%
Cdc Vaccination · Booster Pct32.9%
Cdc Vaccination · Population 201975,558
Cdc Vaccination · Metro StatusMetro
Family Score · Score8.00
Family Score · Schools14
Family Score · Ratingexcellent
Town Summary · Key Factspopulation 241, booming, retirement community, middle-class, white collar
Town Summary · Population241 people (vs Virginia 42,214)
Town Summary · CountyAugusta County

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