placestats

Population in the same house one year ago and Share foreign-born

Where Population in the same house one year ago is higher, Share foreign-born tends to be higher. The link is weak: +0.38 across 2,421 counties, on a scale from −1 (opposite) to +1 (in step). That figure compares places with the same population density, income and education, so those differences can't explain it. It holds inside states too. Measured separately within each of 38 states, the middle value of the link is +0.51.

Holds after adjusting

Every place, plotted

One dot for each place reporting both measures. Hover over or tap a dot to see its name and values. The thin line is the straight line that best fits the dots. The bold line, shown for counties, is the link after adjusting for density, income and education. A dot far from the lines is a place that does not follow the pattern.

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What each measure is

Population in the same house one year ago

The number of people who lived in the same home a year earlier. It measures how settled a place is, the opposite of how often people move in and out.

Census ACS 5-year · ACS table B07001_017

Share foreign-born

The percentage of residents born outside the United States, whether or not they are citizens. The middle county is 2.7%, and the numbers are very uneven: Miami-Dade is 54% and Queens 48%, while half of all counties are under 3%. The count alone mostly ranks counties by size, which is why this percentage is shown next to it.

Census ACS 5-year · ACS table B05002_013, divided by total population

Highest and lowest

Where each measure is highest and lowest among the places reporting both (2023), with the other measure beside it. This is shown for every size of place where both are published. Metro-area values are added up from their counties. A measure that cannot be added up across counties, such as a middle value (median), has no metro figure. Counts are shown per 1,000 residents, since raw totals would only list the largest places. Cities and towns and ZIP codes are shown where the Census survey or the CDC publishes them; most other sources stop at the county. They are shown for places of 5,000 residents or more, and only where the survey’s margin of error is small enough for the figure to be usable. The CDC publishes its health estimates for cities in a version adjusted for age, so places with older or younger people can be compared fairly, but not for ZIP codes.

Counties

By population in the same house one year ago

Population in the same house one year ago, per 1,000 residentsShare foreign-born
Highest
Sherman County, TX979.4621.4%
Haakon County, SD978.920%
Roberts County, TX968.150%
Cimarron County, OK966.625.03%
Sierra County, NM964.568.36%
Lowest
Madison County, ID609.565.05%
Chattahoochee County, GA623.905.17%
Albany County, WY678.556.8%
Clay County, SD679.314.9%
Pulaski County, MO687.914.9%

By share foreign-born

Population in the same house one year ago, per 1,000 residentsShare foreign-born
Highest
Miami-Dade County, FL871.1554.3%
Queens County, NY911.5047.6%
Aleutians West Census Area, AK755.5044.1%
Hudson County, NJ872.7142.6%
Santa Clara County, CA851.0041%
Lowest
Niobrara County, WY881.160%
Roberts County, TX968.150%
Cottle County, TX913.980%
Mellette County, SD936.370%
Haakon County, SD978.920%
States

By population in the same house one year ago

Population in the same house one year ago, per 1,000 residentsShare foreign-born
Highest
New Jersey891.6523.5%
New York889.5322.6%
West Virginia882.061.71%
Rhode Island880.6114.8%
New Hampshire880.516.2%
Lowest
District of Columbia794.9213.3%
North Dakota825.594.47%
Colorado825.749.58%
Wyoming834.033.51%
Idaho834.575.74%

By share foreign-born

Population in the same house one year ago, per 1,000 residentsShare foreign-born
Highest
California879.2726.7%
New Jersey891.6523.5%
New York889.5322.6%
Florida851.7121.4%
Nevada841.1719%
Lowest
West Virginia882.061.71%
Montana848.732.29%
Mississippi878.252.39%
Wyoming834.033.51%
Alabama868.443.8%
Metro areas

By population in the same house one year ago

Population in the same house one year ago, per 1,000 residentsShare foreign-born
Highest
Town of Pecos, TX1010.3719.1%
Gallup, NM971.222.2%
Greenwood, MS961.131.76%
Minden, LA948.721.07%
Vicksburg, MS943.761.38%
Lowest
Rexburg, ID647.915.06%
Vermillion, SD666.194.9%
Laramie, WY668.906.8%
Fort Leonard Wood, MO688.404.9%
Pullman, WA701.398%

By share foreign-born

Population in the same house one year ago, per 1,000 residentsShare foreign-born
Highest
Miami-Fort Lauderdale-West Palm Beach, FL860.0641.9%
San Jose-Sunnyvale-Santa Clara, CA862.6940.3%
Nogales, AZ863.6034.1%
Los Angeles-Long Beach-Anaheim, CA907.0232.5%
San Francisco-Oakland-Fremont, CA884.2031.6%
Lowest
Wapakoneta, OH915.640.517%
Coshocton, OH867.610.548%
Pikeville, KY910.980.62%
Lewistown, PA907.100.697%
Escanaba, MI879.780.711%
Cities and towns

By population in the same house one year ago

Population in the same house one year ago, per 1,000 residentsShare foreign-born
Highest
Hewlett CDP, NY987.1020.9%
Sun Village CDP, CA983.8319.2%
Murillo CDP, TX983.4321.6%
East Rancho Dominguez CDP, CA982.2140.8%
McSwain CDP, CA976.4215.3%
Lowest
Rochester Institute of Technology CDP, NY167.068.93%
University of California-Santa Barbara CDP, CA268.3523.4%
Isla Vista CDP, CA303.1311.7%
University of California-Davis CDP, CA317.3624.2%
Lackland AFB CDP, TX331.885.67%

By share foreign-born

Population in the same house one year ago, per 1,000 residentsShare foreign-born
Highest
Sweetwater city, FL882.8875%
Hialeah city, FL887.6574.7%
Fountainebleau CDP, FL881.5873.7%
Hialeah Gardens city, FL877.4971.3%
Doral city, FL774.6470.7%
Lowest
Kayenta CDP, AZ907.270%
Odenville city, AL835.490%
Monroeville city, AL877.450%
Margaret town, AL827.010%
Nitro city, WV916.730%
ZIP codes

By population in the same house one year ago

Population in the same house one year ago, per 1,000 residentsShare foreign-born
Highest
ZIP 31028 (Centerville city, GA)987.807.65%
ZIP 93543 (Los Angeles County, CA)980.5217.9%
ZIP 78616 (Caldwell County, TX)979.9223.7%
ZIP 06779 (Oakville CDP, CT)977.4511.2%
ZIP 07662 (Bergen County, NJ)976.4625.4%
Lowest
ZIP 55455 (Minneapolis city, MN)115.019.61%
ZIP 01003 (Amherst Town city, MA)129.8015.4%
ZIP 13244 (Syracuse city, NY)146.219.27%
ZIP 48109 (Ann Arbor city, MI)165.859.38%
ZIP 43210 (Columbus city, OH)182.5711%

By share foreign-born

Population in the same house one year ago, per 1,000 residentsShare foreign-born
Highest
ZIP 33010 (Hialeah city, FL)875.1378.5%
ZIP 33012 (Hialeah city, FL)900.4675.8%
ZIP 33126 (Miami city, FL)864.9075.6%
ZIP 33135 (Miami city, FL)882.1874.3%
ZIP 33013 (Hialeah city, FL)895.9574.1%
Lowest
ZIP 72416 (Craighead County, AR)864.970%
ZIP 71328 (Rapides Parish, LA)966.590%
ZIP 71225 (Ouachita Parish, LA)919.190%
ZIP 71103 (Shreveport city, LA)856.240%
ZIP 70591 (Jefferson Davis Parish, LA)930.260%

Counties furthest from the pattern

Compared with the straight line that best fits all 2,427 counties: the five with far more share foreign-born than their population in the same house one year ago would suggest, and the five with far less.

Population in the same house one year ago, per 1,000 residentsShare foreign-born
Above the line
Miami-Dade County, FL871.1554.3%
Queens County, NY911.5047.6%
Hudson County, NJ872.7142.6%
Aleutians West Census Area, AK755.5044.1%
Santa Clara County, CA851.0041%
Below the line
Hooker County, NE735.730%
Union County, FL716.102.05%
Radford city, VA713.242.29%
Madison County, ID609.565.05%
Chattahoochee County, GA623.905.17%

Two series, one county

Both measures over time for a county you pick. The two charts are stacked, so they share only the years along the bottom. You can pick from the thirty largest counties reporting both. This panel covers 2010–2024, and a measure published only once shows as a single dot.

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Every version of the link

Each row measures the same link, from −1 to +1, in a different way. If the rows mostly agree, the link does not depend on one choice of method.

Before adjusting for anything+0.4872,421 counties reporting both
After adjusting for density, income and education+0.383the part of the link that is not just how urban, rich and educated a place is
Also adjusting for population size+0.330size taken out as well as density
Also comparing only within each state+0.291each county is compared only with others in its own state, so this is no longer a comparison between states
Giving bigger counties more weight+0.444the adjusted link for the average resident rather than the average county. With this weighting, the data counts for about 275 equally weighted counties
Middle value inside single states+0.509the link worked out inside each of 38 states with at least 20 counties reporting
Using ranks, after adjusting+0.165uses each county’s rank, not its value, so a few extreme counties cannot create the link

How much to believe it

Could it be chance?

The p-value is the chance of seeing a link this strong if there were really none. A value of 0.05 or less means the link is unlikely to be chance. Very small values are written in short form: 3.1e-16 means 0.00000000000000031, and the bigger the number after “e-”, the smaller the value. Treating every county as a separate case gives p = 2.3e-85. But counties in the same state tend to resemble each other, so the better figure allows for that: p = 4.5e-5. The site tested 20,910 pairs, and testing so many turns up some flukes. The q-value allows for that too. For this pair it is 1.7e-84.

Do nearby places look alike?

Moran’s I measures how much nearby places look alike: 0 means no map pattern, and higher means neighbours are more similar. For the part of each county that the adjustment leaves unexplained, it is +0.46 (p = 0.001). That unexplained part still clusters on the map. So some regional factor shared by both measures is not accounted for.

Did they change together?

The figures above compare counties at one moment. This asks a different question: where population in the same house one year ago rose most, did share foreign-bornmove too? Each county’s change is compared with the average change in its own state. That takes out ups and downs that hit a whole region at once. Each change is the gap between two estimates that both contain some error. That error pulls these links towards zero, so a weak one is weak partly for that reason. The q column shows whether a link could be a fluke, allowing for the many pairs tested: 0.05 or less means it is unlikely to be chance.

PeriodCountiesChange togetherWithin statesq
2014–2019 the main test: each Census survey figure averages five years, and these two do not overlap; before the pandemic2,331+0.04+0.06—
2019–2023 a repeat check: its two five-year survey figures both include 2019, and it covers the COVID years2,297+0.11+0.13—

Both come from the American Community Survey, which asks a sample of households. Random error in a county's sample pushes both changes at once. So part of any agreement here is that shared error. It is shown, but not counted as a finding. How change is measured.

Related pairs

Association only. Nothing here shows that either measure changes the other. This describes counties, not the people in them. Two measures going together across places does not mean the same people have both. How the US county data works · Explore Population in the same house one year ago and Share foreign-born