Greek Population in St. Louis County, MO by City : 2025 Ranking & Insights

The Greek population in St. Louis County, MO is reported at 4,555 residents, according to recent U.S. Census estimates. Several cities in St. Louis County - including Ballwin, Florissant, University City, and others - contribute to the Greek population, but the total county figure of 4,555 indicates additional presence beyond municipal borders. The sections below explores how Greek residents are distributed in Missouri and the U.S.

Top 5 cities with the largest Greek population in St. Louis County

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  • 1
    Ballwin
    Greek population in Ballwin is 412
    1.34% of Ballwin population is Greek
  • 2
    Florissant
    Greek population in Florissant is 376
    0.72% of Florissant population is Greek
  • 3
    University City
    Greek population in University City is 325
    0.94% of University City population is Greek
  • 4
    Black Jack
    Greek population in Black Jack is 288
    4.36% of Black Jack population is Greek
  • 5
    Chesterfield
    Greek population in Chesterfield is 282
    0.57% of Chesterfield population is Greek

Overview of Greek population in St. Louis County

  • Population Count and Percentage: American Community Survey data document St. Louis County with 4,555 Greek residents (0.46% of 996,618 total county population), positioning the jurisdiction at the 98th percentile nationally among counties and 99th percentile within Missouri for Greek population concentrations, despite absolute population figures.
  • Comparison to State and National Averages: Census Bureau's ACS show St. Louis County's Greek population of 0.46% surpassing both Missouri's state average of 0.21% and the national average of 0.36%, positioning the county as a high-concentration jurisdiction exceeding demographic benchmarks across all geographic scales.
  • Share of Total State Population: Official American Community Survey indicate St. Louis County's 4,555 Greek residents constitute 35.2% of Missouri's total Greek population of 12,957, placing the county among jurisdictions with the highest demographic concentrations, with 35.2% of all Missouri Greek Americans residing within county boundaries.
  • Population Density per Square Mile: U.S. Census Bureau's American Community Survey data shows St. Louis County maintains 9 Greek Americans per square mile, representing forty-seven and a half times Missouri's average of 0.19 per square mile, establishing the county as an exceptional concentration center comparable to major metropolitan demographic areas.
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78 Cities in St. Louis County Ranked by Greek Population

View Methodology
ACS data [1] show Greek populations distributed across multiple cities in the county, led by Ballwin, Florissant, University City, and Black Jack. The table below provides additional context, including total population, population density, and demographic distributions, based on current ACS data for 78 incorporated cities included in this analysis*.
cities in St. Louis County, MO ranked by Greek population count
Rank by Greek Population
City
Greek Population
% of Total City Population
% of Total St. Louis County Greek Population
5 Year Rank Trend
1 Ballwin 412 1.34% 9.05%
2 Florissant 376 0.72% 8.25%
3 University City 325 0.94% 7.14%
4 Black Jack 288 4.36% 6.32%
5 Chesterfield 282 0.57% 6.19%
6 Maryland Heights 198 0.71% 4.35%
7 Ladue 163 1.82% 3.58%
8 152 1.66% 3.34%
9 143 0.83% 3.14%
10 123 0.42% 2.70%
11 122 0.48% 2.68%
12 118 0.34% 2.59%
13 98 0.99% 2.15%
14 90 0.48% 1.98%
14 90 0.98% 1.98%
15 83 0.72% 1.82%
16 69 0.85% 1.51%
17 66 0.54% 1.45%
18 65 0.36% 1.43%
19 58 2.24% 1.27%
20 47 0.38% 1.03%
21 41 0.45% 0.90%
22 37 0.43% 0.81%
23 36 0.59% 0.79%
23 36 0.76% 0.79%
24 34 0.42% 0.75%
25 31 0.20% 0.68%
26 23 0.20% 0.50%
27 22 0.09% 0.48%
28 19 0.82% 0.42%
29 18 0.10% 0.40%
30 17 0.39% 0.37%
31 14 0.52% 0.31%
32 5 0.34% 0.11%
33 4 0.20% 0.09%
34 3 0.45% 0.07%
34 3 0.19% 0.07%
34 3 0.49% 0.07%
35 2 0.25% 0.04%
36 1 0.21% 0.02%
36 1 0.15% 0.02%
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Methodology

This ranking list is based on data from the American Community Survey (ACS) 5-Year Estimates, conducted by the U.S. Census Bureau. The ACS is one of the most reliable sources for understanding population trends across different locations, and it provides estimates for various racial and ethnic groups at city, county, state and all geography levels down to the Census block group.
This list ranks city in St. Louis County, MO by their Greek population, using the most recent ACS data available.

How the Census defines Greek population

The U.S. Census Bureau allows people to self-identify their ancestry, meaning individuals can write upto ancestries when responding to the survey. In this ranking, we include everyone who identifies as having Greek ancestry, whether alone or in combination with another ancestry.
Here are a few important things to know about how ancestry is reported:
  • Some people identify as Greek alone, while others identify as Greek along with another race (such as Greek and German).
  • We’ve used the “Greek alone or in any combination” category unless noted otherwise, which gives a broader picture of the Greek population in each area.

How We Ranked the Data

This ranking is based on the total number of people who identified as Greek alone or in combination in city. To provide additional context, we’ve also included two key percentages:
  1. % of Total City Population – This shows what percentage of the total state population identifies as Greek .
  2. % of Total St. Louis County Greek Population – This tells us how much of the entire U.S. Greek population lives in that state.
To keep things simple, all population numbers have been rounded to the nearest whole number, and percentages are rounded to one decimal place. Because of rounding, some percentages may not add up to exactly 100%.

Things to Keep in Mind

Like all survey-based data, ACS estimates come with some limitations. Here are a few things to be aware of:
  • In places with very small Greek populations, the numbers may not be reported at all due to privacy protections or sampling variability in the survey.
  • Since the ACS is based on a sample, the numbers are estimates, not exact counts. That means they may slightly differ from other sources like the decennial U.S. Census.
  • City that don’t have any reported Greek population are not included in the ranking but are listed separately below for reference.
This ranking is meant to provide a clear, data-driven look at where Greek populations are most concentrated while keeping the numbers easy to understand.

Sources

  1. 2019-2023 5-Year Estimates.
  2. 2023.