Population 110,371 · Census ACS 2020–24
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Population and households in Platte County
Household size in Platte County
| Period | Platte County | Kansas City area | Missouri | U.S. |
|---|---|---|---|---|
| 2006–10 | 2.52 | 2.57 | 2.49 | 2.68 |
| 2010–14 | 2.54 | 2.60 | 2.52 | 2.73 |
| 2015–19 | 2.58 | 2.59 | 2.50 | 2.71 |
| 2020–24 | 2.56 | 2.55 | 2.49 | 2.65 |
| Change | +0.03 | −0.02 | −0.00 | −0.03 |
The average household in Platte County has 2.56 people, a bit under the U.S. average of 2.65. Household size has crept up from 2.52 in 2006–10, even as the national average fell. Households are largest in the west and smallest in the east.
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 Platte County
| Period | Platte County | Kansas City area | Missouri | U.S. |
|---|---|---|---|---|
| 2006–10 | 38.6 | 37.5 | 38.4 | 37.7 |
| 2010–14 | 38.8 | 37.9 | 39.2 | 38.6 |
| 2015–19 | 39.1 | 38.8 | 40.0 | 39.6 |
| 2020–24 | 39.8 | 39.2 | 40.1 | 40.1 |
| Change | +1.2 | +1.7 | +1.7 | +2.3 |
At 39.8, the median age in Platte County is close to the national median of 40.1, so its age mix looks much like the country's. The median age has climbed from 38.6 in 2006–10, in line with the national trend. Residents skew youngest in the center and oldest in the west.
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 Platte County
| Period | Platte County | Kansas City area | Missouri | U.S. |
|---|---|---|---|---|
| 2006–10 | 11.2% | 11.7% | 11.3% | 12.3% |
| 2010–14 | 11.1% | 11.9% | 11.4% | 12.3% |
| 2015–19 | 10.1% | 11.2% | 10.9% | 11.6% |
| 2020–24 | 10.3% | 10.9% | 11.0% | 11.6% |
| Change | −0.9 pts | −0.8 pts | −0.3 pts | −0.6 pts |
Single parents head about one in ten households in Platte County (10.3%), a little below the national share of 11.6%. The Kansas City area as a whole looks much the same. The single-parent share is down 0.9 points from 2006–10, mirroring the country.
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 Platte County
Renters in Platte County
| Period | Platte County | Kansas City area | Missouri | U.S. |
|---|---|---|---|---|
| 2006–10 | 32.3% | 31.2% | 30.0% | 33.3% |
| 2010–14 | 35.5% | 33.7% | 32.1% | 35.6% |
| 2015–19 | 34.1% | 34.9% | 33.2% | 36.0% |
| 2020–24 | 32.6% | 34.2% | 31.9% | 34.8% |
| Change | +0.3 pts | +3.0 pts | +1.9 pts | +1.5 pts |
Renting in Platte County is about as common as it is nationally: 32.6% of households rent, against 34.8%. About three in ten owners (30.4%) have paid off their mortgages, below the national share of 39.8%. Rentals cluster in the east; owners are most common in the south.
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 Platte County
| Period | Platte County | Kansas City area | Missouri | U.S. |
|---|---|---|---|---|
| 2006–10 | 9.6% | 10.0% | 11.6% | 11.4% |
| 2010–14 | 8.0% | 9.7% | 12.0% | 11.4% |
| 2015–19 | 6.8% | 9.0% | 12.2% | 11.1% |
| 2020–24 | 6.8% | 7.5% | 10.5% | 9.6% |
| Change | −2.8 pts | −2.5 pts | −1.1 pts | −1.8 pts |
Fewer homes sit empty in Platte County than nationally: 6.8%, against 9.6% for the U.S. Since 2006–10, vacancy has fallen 2.8 points, in line with the national trend. Few Missouri counties have a lower vacancy rate: only four of 115.
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 Platte County
| Period | Platte County | Kansas City area | Missouri | U.S. |
|---|---|---|---|---|
| 2006–10 | 1985 | 1976 | 1974 | 1974 |
| 2010–14 | 1986 | 1977 | 1975 | 1975 |
| 2015–19 | 1987 | 1977 | 1976 | 1977 |
| 2020–24 | 1990 | 1980 | 1978 | 1980 |
| Change | +5 | +4 | +4 | +6 |
Platte County has newer housing than the country as a whole: the median home was built in 1990, versus 1980 nationally. The median year built has moved up from 1985 in 2006–10, a sign of steady new building. Only nine of Missouri's 115 counties have newer homes.
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 Platte County
| Period | Platte County | Kansas City area | Missouri | U.S. |
|---|---|---|---|---|
| 2006–10 | $950 | $897 | $740 | $965 |
| 2010–14 | $1,015 | $980 | $816 | $1,040 |
| 2015–19 | $1,135 | $1,095 | $899 | $1,213 |
| 2020–24 | $1,409 | $1,395 | $1,122 | $1,571 |
| Change | +$458 | +$498 | +$383 | +$606 |
Rent in Platte County runs $1,409 a month at the median, utilities included, below the U.S. median of $1,571. Rent has climbed $458 a month since 2006–10, up 48%, a slower climb than the nation's. The typical renter here spends 28.6% of household income on rent, just under the 30% mark often used to define affordable rent, and a smaller share than renters pay nationally. Among Missouri's 115 counties, though, only one other has higher rents.
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 Platte County
Bachelor's degrees in Platte County
| Period | Platte County | Kansas City area | Missouri | U.S. |
|---|---|---|---|---|
| 2006–10 | 38.3% | 33.5% | 26.0% | 28.4% |
| 2010–14 | 40.3% | 34.1% | 27.3% | 29.6% |
| 2015–19 | 43.9% | 37.1% | 29.6% | 32.1% |
| 2020–24 | 47.3% | 39.7% | 32.6% | 35.6% |
| Change | +9.1 pts | +6.2 pts | +6.6 pts | +7.2 pts |
College graduates are unusually common in Platte County: 47.3% of adults 25 and older have a bachelor's degree or higher, against 35.6% nationally. Education tends to track local incomes and the kinds of jobs nearby. The share with a degree is up 9.1 points from 2006–10, mirroring the country. Few Missouri counties have a higher share of college graduates: only two of 115.
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 Platte County
| Period | Platte County | Kansas City area | Missouri | U.S. |
|---|---|---|---|---|
| 2006–10 | 94.4% | 90.5% | 86.8% | 84.9% |
| 2010–14 | 94.9% | 90.9% | 88.3% | 86.1% |
| 2015–19 | 95.9% | 91.8% | 90.0% | 87.7% |
| 2020–24 | 96.5% | 92.9% | 91.8% | 89.3% |
| Change | +2.1 pts | +2.4 pts | +5.1 pts | +4.3 pts |
High school completion is high in Platte County: 96.5% 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 2.1 points, in line with the national trend. No other Missouri county has a higher share of high school graduates.
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 Platte County
| Period | Platte County | Kansas City area | Missouri | U.S. |
|---|---|---|---|---|
| 2006–10 | 4.9% | 6.8% | 7.4% | 8.1% |
| 2010–14 | 6.0% | 7.6% | 8.4% | 9.4% |
| 2015–19 | 3.7% | 4.0% | 4.6% | 5.6% |
| 2020–24 | 2.7% | 4.0% | 4.1% | 5.4% |
| Change | −2.2 pts | −2.9 pts | −3.3 pts | −2.7 pts |
Unemployment in Platte County has been low: just 2.7% of the labor force was out of work and looking, well below the national rate of 5.4%. Since 2006–10, unemployment has fallen 2.2 points, mirroring the country. 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).
Platte 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Platte County | 2.56 | 39.8 | 10.3% | 32.6% | 6.8% | 1990 | $1,409 | 47.3% | 96.5% | 2.7% |
| Clay County | 2.59 | 38.7 | 11.2% | 30.5% | 6.1% | 1987 | $1,396 | 37.5% | 94.1% | 3.7% |
| Wyandotte County | 2.83 | 35.5 | 16.4% | 38.0% | 10.8% | 1964 | $1,241 | 21.3% | 81.3% | 5.8% |
| Leavenworth County | 2.72 | 39.5 | 9.5% | 30.7% | 6.5% | 1982 | $1,375 | 37.5% | 94.3% | 4.4% |
| Ray County | 2.57 | 42.3 | 10.8% | 22.7% | 8.8% | 1973 | $867 | 16.3% | 90.0% | 3.8% |
| Jefferson County | 2.46 | 44.0 | 5.5% | 14.3% | 7.8% | 1979 | $946 | 24.5% | 94.2% | 2.5% |
| Saline County | 2.69 | 35.7 | 10.6% | 30.2% | 18.0% | 1969 | $818 | 24.5% | 86.4% | 3.2% |
| Pottawatomie County | 2.77 | 37.3 | 5.4% | 17.8% | 8.5% | 1984 | $1,157 | 39.3% | 96.6% | 2.4% |
| Riley County | 2.32 | 30.7 | 9.1% | 53.9% | 9.5% | 1987 | $1,125 | 46.9% | 96.7% | 4.6% |
| Howard County | 2.62 | 39.0 | 9.2% | 21.3% | 18.1% | 1974 | $816 | 27.9% | 90.9% | 3.6% |
| Clay County | 2.24 | 42.6 | 12.8% | 22.0% | 10.8% | 1962 | $1,011 | 25.9% | 93.4% | 1.2% |
All figures 2020–24.
Counties with similar populations: Allen County, OH · Androscoggin County, ME · Ashtabula County, OH · Bartow County, GA · Maury County, TN · Putnam County, NY · Portsmouth City, VA · Pennington County, SD · Ontario County, NY · Newton County, GA
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 Platte 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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