Population 10,502 · Census ACS 2020–24
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Population and households in Timonium
Household size in Timonium
| Period | Timonium | Baltimore area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.30 | 2.61 | 2.68 | 2.68 |
| 2010–14 | 2.42 | 2.65 | 2.73 | 2.73 |
| 2015–19 | 2.48 | 2.65 | 2.74 | 2.71 |
| 2020–24 | 2.60 | 2.59 | 2.68 | 2.65 |
| Change | +0.31 | −0.02 | +0.01 | −0.03 |
At 2.60 people per household, Timonium sits close to the national average of 2.65. Since 2006–10, household size has climbed from 2.30, even as the national average fell.
Household size: the average number of people living in each occupied home. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25010).
Median age in Timonium
| Period | Timonium | Baltimore area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 51.0 | 38.7 | 38.5 | 37.7 |
| 2010–14 | 51.4 | 39.5 | 39.3 | 38.6 |
| 2015–19 | 47.3 | 40.2 | 40.2 | 39.6 |
| 2020–24 | 46.5 | 40.3 | 40.6 | 40.1 |
| Change | −4.5 | +1.6 | +2.1 | +2.3 |
With a median age of 46.5, Timonium is noticeably older than the country as a whole (40.1), an age mix that tilts toward empty nesters and retirees. The median age has dropped from 51.0 in 2006–10, even as the national median rose. The youngest areas are in the center, the oldest in the northeast.
Median age: the age that splits residents into two equal halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B01002).
Single-parent households in Timonium
| Period | Timonium | Baltimore area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 3.9% | 12.6% | 12.5% | 12.3% |
| 2010–14 | 3.9% | 12.3% | 12.6% | 12.3% |
| 2015–19 | 6.2% | 11.6% | 11.7% | 11.6% |
| 2020–24 | 8.1% | 11.5% | 11.7% | 11.6% |
| Change | +4.2 pts | −1.1 pts | −0.9 pts | −0.6 pts |
Single parents head only 8.1% of households in Timonium, well below the national share of 11.6%. The single-parent share has risen 4.2 points since 2006–10, even as the national share fell.
Single-parent households: households where one adult with no spouse present lives with children under 18. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B11003).
Housing in Timonium
Renters in Timonium
| Period | Timonium | Baltimore area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 24.6% | 32.0% | 31.0% | 33.3% |
| 2010–14 | 24.5% | 33.5% | 32.9% | 35.6% |
| 2015–19 | 21.6% | 33.5% | 33.1% | 36.0% |
| 2020–24 | 21.9% | 33.1% | 32.4% | 34.8% |
| Change | −2.6 pts | +1.1 pts | +1.4 pts | +1.5 pts |
Timonium is largely a place of homeowners: only 21.9% of households rent, far below the national share of 34.8%. Owner-heavy areas like this tend to see less turnover. Among homeowners, 34.6% have no mortgage at all, below the national share of 39.8%. The renter share has fallen 2.6 points since 2006–10, even as the national share rose.
Renters: occupied homes that are rented rather than owned. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25003).
Vacant homes in Timonium
| Period | Timonium | Baltimore area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 5.4% | 9.3% | 9.0% | 11.4% |
| 2010–14 | 4.0% | 9.3% | 8.9% | 11.4% |
| 2015–19 | 4.2% | 9.4% | 8.9% | 11.1% |
| 2020–24 | 5.6% | 7.2% | 7.1% | 9.6% |
| Change | +0.2 pts | −2.1 pts | −1.9 pts | −1.8 pts |
Only 5.6% of homes in Timonium are vacant, far below the national rate of 9.6%, which usually means strong demand for housing. Vacancy has barely moved since 2006–10, while the national rate fell.
Vacant homes: homes with no one living in them, including vacation homes and homes for sale or rent. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25002).
Age of homes in Timonium
| Period | Timonium | Baltimore area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 1967 | 1971 | 1974 | 1974 |
| 2010–14 | 1966 | 1972 | 1975 | 1975 |
| 2015–19 | 1968 | 1973 | 1976 | 1977 |
| 2020–24 | 1965 | 1975 | 1978 | 1980 |
| Change | −2 | +4 | +4 | +6 |
Timonium is a place of older homes: half were built before 1965, while the national median is 1980. That means established neighborhoods, and more houses that may need updating. Newer construction is concentrated in the northwest, while the south has the oldest housing.
Age of homes: the year that splits the housing stock into older and newer halves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25035).
Rent in Timonium
| Period | Timonium | Baltimore area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | $1,439 | $1,179 | $1,249 | $965 |
| 2010–14 | $1,730 | $1,293 | $1,363 | $1,040 |
| 2015–19 | $1,453 | $1,477 | $1,576 | $1,213 |
| 2020–24 | $2,328 | $1,778 | $1,869 | $1,571 |
| Change | +$889 | +$599 | +$620 | +$606 |
A typical rental in Timonium costs $2,328 a month with utilities, well above the national median of $1,571. Rent has climbed $889 a month since 2006–10, up 62%, roughly in step with the nation. Rent takes 31.5% of the typical renter's income, just over the 30% mark often used to define affordable rent. Rents run highest in the south and lowest in the northeast.
Rent: monthly rent plus the utilities renters pay themselves. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B25064).
Education in Timonium
Bachelor's degrees in Timonium
| Period | Timonium | Baltimore area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 53.5% | 35.6% | 36.3% | 28.4% |
| 2010–14 | 50.4% | 37.3% | 37.7% | 29.6% |
| 2015–19 | 59.1% | 40.8% | 40.5% | 32.1% |
| 2020–24 | 66.2% | 44.1% | 43.4% | 35.6% |
| Change | +12.7 pts | +8.5 pts | +7.1 pts | +7.2 pts |
Timonium is highly educated: about two-thirds of adults 25 and older (66.2%) hold at least a bachelor's degree, far above the national share of 35.6%. The share with a degree has risen 12.7 points since 2006–10, mirroring the country. Of the 245 Maryland cities with 5,000+ people, only 19 have a higher share of college graduates.
Bachelor's degrees: adults 25 and older with a bachelor's degree or higher. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
High school graduates in Timonium
| Period | Timonium | Baltimore area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 94.1% | 87.8% | 88.0% | 84.9% |
| 2010–14 | 95.6% | 89.5% | 89.1% | 86.1% |
| 2015–19 | 95.7% | 91.1% | 90.2% | 87.7% |
| 2020–24 | 95.7% | 92.1% | 90.9% | 89.3% |
| Change | +1.6 pts | +4.3 pts | +2.9 pts | +4.3 pts |
High school completion is high in Timonium: 95.7% of adults 25 and older have a diploma or equivalent, well above the national rate of 89.3%. Since 2006–10, the share with a diploma has risen 1.6 points, as it has nationally.
High school graduates: adults 25 and older with a high school diploma, GED or more. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B15003).
Jobs in Timonium
| Period | Timonium | Baltimore area | Maryland | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.6% | 6.6% | 6.5% | 8.1% |
| 2010–14 | 6.4% | 8.3% | 8.1% | 9.4% |
| 2015–19 | 2.6% | 5.2% | 5.1% | 5.6% |
| 2020–24 | 3.6% | 4.8% | 5.0% | 5.4% |
| Change | −1.0 pts | −1.8 pts | −1.5 pts | −2.7 pts |
Jobs have been easier to find in Timonium than nationally: unemployment was 3.6%, against 5.4%. Unemployment is down 1.0 points from 2006–10, mirroring the country. Each figure pools five years of surveys (2020–24), so it describes that whole stretch rather than today's job market.
Unemployment: people looking for work as a share of everyone working or looking. Source: BestNeighborhood calculations from U.S. Census Bureau ACS 5-year block-group estimates (table B23025).
Timonium compared with nearby cities
| City | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| Timonium | 2.60 | 46.5 | 8.1% | 21.9% | 5.6% | 1965 | $2,328 | 66.2% | 95.7% | 3.6% |
| Lutherville | 2.34 | 48.7 | 8.3% | 17.4% | 6.5% | 1964 | $1,806 | 66.3% | 93.6% | 4.2% |
| Mays Chapel | 2.66 | 42.9 | 5.0% | 18.4% | 5.5% | 1980 | $1,803 | 74.0% | 97.4% | 2.6% |
| Lutherville-Timonium | 2.40 | 48.6 | 5.8% | 26.5% | 5.2% | 1981 | $1,968 | 66.3% | 94.9% | 6.8% |
| Cockeysville | 2.41 | 40.4 | 8.3% | 54.0% | 6.2% | 1981 | $1,736 | 55.2% | 92.8% | 5.0% |
| Towson | 2.27 | 37.0 | 6.7% | 42.4% | 9.1% | 1969 | $1,747 | 64.9% | 95.7% | 5.1% |
| Phoenix | 2.78 | 50.4 | 4.5% | 3.7% | 3.2% | 1977 | $1,668 | 73.8% | 98.7% | 2.8% |
| Glen Arm | 2.78 | 44.6 | 3.3% | 15.8% | 3.3% | 1971 | $1,663 | 56.0% | 95.7% | 1.6% |
| Parkville | 2.49 | 38.6 | 14.4% | 37.8% | 8.1% | 1957 | $1,574 | 32.6% | 92.6% | 4.3% |
| Carney | 2.45 | 42.5 | 10.8% | 37.4% | 7.0% | 1975 | $1,742 | 40.0% | 90.5% | 2.5% |
| Stevenson | 2.19 | 54.1 | 5.3% | 18.0% | 4.4% | 1977 | $2,187 | 72.0% | 98.1% | 2.4% |
All figures 2020–24.
Cities with similar populations: Kenai, AK · Jacinto City, TX · Jacksboro, TN · Jackson, WI · Jamestown, TN · Jamesville, NY · Jarrell, TX · Woodbine, MD · Kempner, TX · Itasca, IL
About these numbers
Every figure on this page is a BestNeighborhood calculation from the Census Bureau's American Community Survey (ACS), built up from the Census block groups that make up Timonium. Each ACS 5-year release pools five years of responses; this page shows the last 15 releases, 2006–10 through 2020–24. Neighboring releases share four of their five years, so they move gradually and small changes between them are within the survey's margin of error; in small places the lines can jump from one release to the next for the same reason. The maps show the same measures for each neighborhood, ranked against the whole country.
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