Population 28,441 · Census ACS 2020–24
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Population and households in San Jacinto County
Household size in San Jacinto County
| Period | San Jacinto County | Houston area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.85 | 2.96 | 2.87 | 2.68 |
| 2010–14 | 2.88 | 3.00 | 2.93 | 2.73 |
| 2015–19 | 2.80 | 2.98 | 2.95 | 2.71 |
| 2020–24 | 2.67 | 2.91 | 2.83 | 2.65 |
| Change | −0.17 | −0.05 | −0.05 | −0.03 |
Households in San Jacinto County average 2.67 people, about the same as the country as a whole (2.65). The typical household here is smaller than in the Houston area overall, where it has 2.91 people. Since 2006–10, household size has dropped from 2.85, a much bigger shift than nationally.
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 San Jacinto County
| Period | San Jacinto County | Houston area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 42.1 | 34.0 | 34.7 | 37.7 |
| 2010–14 | 44.3 | 34.8 | 35.4 | 38.6 |
| 2015–19 | 46.1 | 35.6 | 36.1 | 39.6 |
| 2020–24 | 45.7 | 36.4 | 36.7 | 40.1 |
| Change | +3.6 | +2.3 | +2.0 | +2.3 |
With a median age of 45.7, San Jacinto County 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 climbed from 42.1 in 2006–10, in line with the national trend. The youngest areas are in the south, the oldest in the north.
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 San Jacinto County
| Period | San Jacinto County | Houston area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.7% | 13.7% | 13.7% | 12.3% |
| 2010–14 | 12.6% | 13.7% | 13.7% | 12.3% |
| 2015–19 | 9.9% | 13.3% | 13.1% | 11.6% |
| 2020–24 | 12.8% | 13.5% | 12.9% | 11.6% |
| Change | +3.1 pts | −0.3 pts | −0.8 pts | −0.6 pts |
Single-parent households are a bit more common in San Jacinto County than nationally: 12.8%, against 11.6%. The picture is much the same across the Houston area. Since 2006–10, the single-parent share has risen 3.1 points, 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 San Jacinto County
Renters in San Jacinto County
| Period | San Jacinto County | Houston area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 17.5% | 36.6% | 35.2% | 33.3% |
| 2010–14 | 18.0% | 38.6% | 37.3% | 35.6% |
| 2015–19 | 19.4% | 39.5% | 38.0% | 36.0% |
| 2020–24 | 15.4% | 38.8% | 37.4% | 34.8% |
| Change | −2.1 pts | +2.2 pts | +2.3 pts | +1.5 pts |
Only 15.4% of households in San Jacinto County rent their homes, far below the national share of 34.8%, so most residents are owners who tend to stay put. More than half of owners (54.3%) have paid off their mortgages, well above the national share of 39.8%. The renter share has fallen 2.1 points since 2006–10, even as the national share rose. Of Texas' 254 counties, only ten have a lower share of renters.
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 San Jacinto County
| Period | San Jacinto County | Houston area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 26.5% | 11.3% | 11.8% | 11.4% |
| 2010–14 | 26.5% | 10.1% | 10.9% | 11.4% |
| 2015–19 | 25.8% | 9.3% | 10.9% | 11.1% |
| 2020–24 | 25.8% | 8.6% | 9.4% | 9.6% |
| Change | −0.7 pts | −2.7 pts | −2.4 pts | −1.8 pts |
Vacant homes make up 25.8% of the housing in San Jacinto County, far above the national rate of 9.6%. In resort and lake areas that usually means seasonal and vacation homes; elsewhere it can point to weak demand. Since 2006–10, vacancy has edged down 0.7 points, as it has nationally.
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 San Jacinto County
| Period | San Jacinto County | Houston area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 1984 | 1985 | 1983 | 1974 |
| 2010–14 | 1988 | 1987 | 1985 | 1975 |
| 2015–19 | 1991 | 1988 | 1987 | 1977 |
| 2020–24 | 1993 | 1993 | 1992 | 1980 |
| Change | +9 | +8 | +8 | +6 |
San Jacinto County has newer housing than the country as a whole: the median home was built in 1993, versus 1980 nationally. The median year built has moved up from 1984 in 2006–10, a sign of steady new building. The newest homes are mostly in the southwest, the oldest in the east.
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 San Jacinto County
| Period | San Jacinto County | Houston area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | $692 | $1,018 | $921 | $965 |
| 2010–14 | $730 | $1,103 | $1,005 | $1,040 |
| 2015–19 | $799 | $1,300 | $1,178 | $1,213 |
| 2020–24 | $1,015 | $1,649 | $1,560 | $1,571 |
| Change | +$323 | +$631 | +$639 | +$606 |
Rent in San Jacinto County runs $1,015 a month at the median, utilities included, well below the U.S. median of $1,571. Rent has climbed $323 a month since 2006–10, up 47%, a slower climb than the nation's. The typical renter here spends 22.4% of household income on rent, comfortably under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. The priciest rents are in the southwest; the most affordable are in the east.
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 San Jacinto County
Bachelor's degrees in San Jacinto County
| Period | San Jacinto County | Houston area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 10.1% | 29.2% | 27.0% | 28.4% |
| 2010–14 | 12.9% | 30.4% | 27.9% | 29.6% |
| 2015–19 | 11.7% | 32.5% | 30.0% | 32.1% |
| 2020–24 | 15.2% | 35.9% | 34.0% | 35.6% |
| Change | +5.2 pts | +6.7 pts | +7.1 pts | +7.2 pts |
Fewer adults in San Jacinto County have a four-year degree than in the country as a whole: 15.2%, against 35.6% nationally. The share with a degree has risen 5.2 points since 2006–10, as it has nationally. College graduates are most concentrated in the northwest and least in the southeast.
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 San Jacinto County
| Period | San Jacinto County | Houston area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 76.4% | 80.9% | 80.7% | 84.9% |
| 2010–14 | 81.0% | 81.9% | 82.0% | 86.1% |
| 2015–19 | 84.1% | 83.6% | 83.6% | 87.7% |
| 2020–24 | 81.0% | 84.8% | 85.8% | 89.3% |
| Change | +4.6 pts | +3.9 pts | +5.1 pts | +4.3 pts |
Nearly one in five adults in San Jacinto County never finished high school, well above the national share: only 81.0% have a diploma or equivalent, against 89.3% nationally. Since 2006–10, the share with a diploma has risen 4.6 points, in line with the national trend.
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 San Jacinto County
| Period | San Jacinto County | Houston area | Texas | U.S. |
|---|---|---|---|---|
| 2006–10 | 10.8% | 6.9% | 7.0% | 8.1% |
| 2010–14 | 12.5% | 7.7% | 7.7% | 9.4% |
| 2015–19 | 6.4% | 5.6% | 5.1% | 5.6% |
| 2020–24 | 6.6% | 6.2% | 5.3% | 5.4% |
| Change | −4.3 pts | −0.6 pts | −1.7 pts | −2.7 pts |
Jobs have been a little harder to find in San Jacinto County than nationally: unemployment was 6.6%, against 5.4%. Since 2006–10, unemployment has fallen 4.3 points, in line with the national trend. Because the Census pools five years of responses (2020–24), these rates smooth over short swings and lag the current 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).
San Jacinto County compared with nearby counties
| County | Household size | Median age | Single parents | Renters | Vacant homes | Median year built | Median rent | Bachelor's degree | High school diploma | Unemployment |
|---|---|---|---|---|---|---|---|---|---|---|
| San Jacinto County | 2.67 | 45.7 | 12.8% | 15.4% | 25.8% | 1993 | $1,015 | 15.2% | 81.0% | 6.6% |
| Grimes County | 2.73 | 40.4 | 8.9% | 20.1% | 16.8% | 1997 | $1,082 | 21.4% | 81.1% | 5.0% |
| Brazos County | 2.48 | 30.1 | 10.7% | 53.2% | 11.6% | 1998 | $1,405 | 50.2% | 91.1% | 6.7% |
| Newton County | 2.55 | 46.3 | 11.0% | 17.1% | 21.4% | 1990 | $1,004 | 7.4% | 85.3% | 8.1% |
| Burleson County | 2.37 | 45.3 | 10.1% | 18.3% | 17.3% | 1990 | $1,145 | 23.8% | 87.1% | 5.1% |
| Allen Parish | 2.47 | 36.9 | 16.6% | 26.0% | 17.5% | 1982 | $728 | 12.9% | 81.2% | 8.3% |
| Williamson County | 2.74 | 37.9 | 9.4% | 33.6% | 4.9% | 2005 | $2,004 | 49.1% | 94.3% | 3.8% |
| Evangeline Parish | 2.59 | 38.4 | 20.9% | 33.8% | 14.8% | 1982 | $778 | 15.0% | 76.2% | 8.0% |
| St. Landry Parish | 2.64 | 38.6 | 22.0% | 29.9% | 16.0% | 1983 | $872 | 15.3% | 82.7% | 7.8% |
| Burnet County | 2.49 | 45.5 | 8.3% | 23.7% | 15.2% | 1995 | $1,242 | 27.9% | 88.6% | 2.7% |
| Llano County | 2.14 | 54.7 | 9.7% | 23.5% | 27.8% | 1990 | $1,091 | 31.8% | 90.0% | 3.8% |
All figures 2020–24.
Counties with similar populations: Polk County, MN · Lincoln County, MS · Lincoln County, NE · Livingston County, IL · Macon County, NC · Matagorda County, TX · Miami County, IN · Okmulgee County, OK · Orange County, VA · Lincoln County, ME
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 San Jacinto County. 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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