St. Nazianz: Demographics & People
Census counts 907 people in St. Nazianz, in 548 households. Population grew 3.0% from 881 (2022) to 907 (2024). Median age 53.4 years. (8.3y older than Manitowoc County; 15.1y older than Wisconsin). Children under 18 are 12% of the population. Population is 94% White (non-Hispanic) and 4% Hispanic or Latino. The community is relatively homogeneous (Simpson index 0.05). 42% of households are family-led. County is gaining 757 residents per year (2022-2023). County health: 44% adult obesity, 17% smoke.
- 1.7 people per household (vs Wisconsin avg 2.4).
- 58% non-family households (singles, roommates) (vs Wisconsin 43%).
- 68 dependents per 100 working-age (youth + seniors / 18-64) (vs Wisconsin 66).
Population & Trend
Population grew 3.0% from 881 (2022) to 907 (2024) — about 4.9× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~933 (extrapolated at 1.5%/yr trend). Census Bureau Vintage estimate: 970.
| Census data vintage | 2024 |
|---|---|
| Population | 81,359 people |
| Annual growth rate · Population change | 3.0% |
| Annual growth rate · Population (2022) | 881 |
| Annual growth rate · Population (2024) | 907 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | growing |
| Population | 907 people (vs Wisconsin 25,785) |
| Population Estimate | 970 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 53.4y is 14.5 years older than the U.S. median (38.9y). Children under 18 make up 12% — below the U.S. share of ~22%.
| Age Summary · Median age | 53.4 years (vs Wisconsin 38.3y) |
|---|---|
| Age Summary · Children Pct | 12.0% |
| Age Summary · Character | retirement community |
| Age Summary · Total Pop | 907 |
| Age Summary · Under 18 | 109 |
| Age Summary · 18 To 34 | 174.0× |
| Age Summary · 35 To 64 | 367.0× |
| Age Summary · 65 Plus | 257 |
| Population under 18 | 109 |
| Median age | 53.4 years (vs Wisconsin 38.3y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 907 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.05 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 862 |
|---|---|
| Asian residents | 8 |
| Hispanic or Latino residents | 16 |
| Diversity Index · Diversity index (Simpson) | 5.3% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 3 |
| Diversity Index · Largest group share | 97.3% |
| Asian population | 0.9% (vs Wisconsin 3.1%) |
| Hispanic or Latino population | 3.9% (vs Wisconsin 6.6%) |
| White (non-Hispanic) population | 93.9% (vs Wisconsin 81.6%) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Ancestry
Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.
Top (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 0.8% are foreign-born — below the U.S. average of 13.9%. 3% have naturalized to U.S. citizenship.
| Residents born in this state | 684 |
|---|---|
| Residents born in another state | 188 |
| Share born in this state | 75.4% |
| Share born in another state | 24.6% |
| Native-born U.S. citizens | 20.7% |
| Foreign-born residents | 0.8% |
| Naturalized citizens | 3.1% |
| Total foreign-born residents | 31 |
| From Africa | 7 |
Households & Family Composition
548 households. Averaging 1.6 people each — smaller than the U.S. average of 2.5. 42% are family households — below the U.S. share of ~65%. Of 233 families, 17% are married couples with children.
| Children under 18 | 87 |
|---|---|
| Total families | 233 |
| Married couples with children | 39 |
| Single-parent households | 21 |
| Average household size | 1.63 |
| Women who gave birth (past year) | 28.3% |
| Grandparents living with grandchildren | 8 |
| Grandparents responsible for grandchildren | 3 |
| Family households | 229 households (vs Wisconsin 7,092) |
| Households that are families | 41.8% (vs Wisconsin 57.2%) |
| Total households | 548 households (vs Wisconsin 10,843) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 6.6% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 757 residents per year on net (IRS migration data).
| Moved within the county (past year) | 6.6% |
|---|---|
| Migration · People moving in (annual) | 75,916 |
| Migration · People moving out (annual) | 75,159 |
| Migration · Net migration (in − out) | 757 |
| Migration · Population growing | Yes |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12
Disability
Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.
| Residents with a disability | 80 |
|---|---|
| Disability rate | 9.3% |
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 17 residents live in group quarters (1.9% of population).
| Living in group quarters | 17 |
|---|
Other
| Congressional District · District | 6 |
|---|---|
| Congressional District · Formatted | WI-06 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 55071 |
| Cdc Birth Rate · State Fips | 55 |
| Cdc Birth Rate · County Fips | 071 |
| Cdc Birth Rate · County | Manitowoc |
| Cdc Birth Rate · Birth Rate | 15.4% |
| Cdc Birth Rate · Lower Ci | 13.10 |
| Cdc Birth Rate · Upper Ci | 18.00 |
| Cdc Mortality · Fips | 55071 |
| Cdc Mortality · County | Manitowoc County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 2,849 |
| Cdc Vaccination · Fips | 55071 |
| Cdc Vaccination · County | Manitowoc County |
| Cdc Vaccination · Dose1 Pop Pct | 67.4% |
| Cdc Vaccination · Series Complete Pct | 62.7% |
| Cdc Vaccination · Booster Pct | 61.4% |
| Cdc Vaccination · Population 2019 | 78,981 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 10 |
| Family Score · Schools | 20 |
| Family Score · Children Pct | 12.0% |
| Family Score · Rating | excellent |
| Town Summary · Key Facts | population 907, growing, retirement community, middle-class, blue collar |
| Town Summary · Population | 907 people (vs Wisconsin 25,785) |
| Town Summary · County | Manitowoc County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade