Lytton: Demographics & People
357 people call Lytton home, in 143 households. Population grew 9.8% from 325 (2022) to 357 (2024). Median age 41.1 years. (5.1y younger than Sac County; 3.8y older than Iowa). Children under 18 are 18% of the population. Population is 95% White (non-Hispanic). The community is relatively homogeneous (Simpson index 0.11). 64% of households are family-led. County is gaining 162 residents per year (2022-2023). County health: 39% adult obesity, 16% smoke.
- 2.5 people per household (vs Iowa avg 2.4).
- 36% non-family households (singles, roommates) (vs Iowa 43%).
- 47 dependents per 100 working-age (youth + seniors / 18-64) (vs Iowa 70).
Population & Trend
Population grew 9.8% from 325 (2022) to 357 (2024) — about 16.4× the recent U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~393 (extrapolated at 4.9%/yr trend). Census Bureau Vintage estimate: 444.
| Census data vintage | 2024 |
|---|---|
| Population | 9,927 people |
| Annual growth rate · Population change | 9.8% |
| Annual growth rate · Population (2022) | 325 |
| Annual growth rate · Population (2024) | 357 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | booming |
| Population | 357 people (vs Iowa 24,827) |
| Population Estimate | 444 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 41.1y is 2.2 years older than the U.S. median (38.9y). Children under 18 make up 18% — below the U.S. share of ~22%.
| Age Summary · Median age | 41.1 years (vs Iowa 37.3y) |
|---|---|
| Age Summary · Children Pct | 18.5% |
| Age Summary · Character | established |
| Age Summary · Total Pop | 357 |
| Age Summary · Under 18 | 66 |
| Age Summary · 18 To 34 | 106.0× |
| Age Summary · 35 To 64 | 137.0× |
| Age Summary · 65 Plus | 48 |
| Population under 18 | 66 |
| Median age | 41.1 years (vs Iowa 37.3y) |
Sources: Census ACS 5-Year 2024 — place-level B01001 query · Census ACS 5-Year 2023 · Refreshed 2026-04-29
Race, Ethnicity & Diversity
Of 357 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.11 (0 = single group, 1 = perfectly even distribution); this is read as relatively homogeneous.
| White residents | 297 |
|---|---|
| Black residents | 19 |
| Diversity Index · Diversity index (Simpson) | 11.3% |
| Diversity Index · Diversity label | relatively homogeneous |
| Diversity Index · Groups counted | 2 |
| Diversity Index · Largest group share | 94.0% |
| White (non-Hispanic) population | 95.0% (vs Iowa 81.2%) |
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 (5)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS).
| Residents born in this state | 298 |
|---|---|
| Residents born in another state | 59 |
| Share born in this state | 83.5% |
| Share born in another state | 16.5% |
| Native-born U.S. citizens | 16.5% |
| Total foreign-born residents | 67 |
Households & Family Composition
143 households. Averaging 2.3 people each — smaller than the U.S. average of 2.5. 64% are family households — near the U.S. share of ~65%. Of 74 families, 36% are married couples with children.
| Children under 18 | 52 |
|---|---|
| Total families | 74 |
| Married couples with children | 27 |
| Single-parent households | 1 |
| Average household size | 2.27 |
| Women who gave birth (past year) | 21.5% |
| Grandparents living with grandchildren | 35 |
| Grandparents responsible for grandchildren | 13 |
| Family households | 92 households (vs Iowa 6,171) |
| Households that are families | 64.3% (vs Iowa 57.4%) |
| Total households | 143 households (vs Iowa 10,135) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 10.7% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is gaining 162 residents per year on net (IRS migration data).
| Moved within the county (past year) | 10.7% |
|---|---|
| Migration · People moving in (annual) | 9,076 |
| Migration · People moving out (annual) | 8,914 |
| Migration · Net migration (in − out) | 162 |
| 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 | 38 |
|---|---|
| Disability rate | 12.5% |
Other
| Congressional District · District | 4 |
|---|---|
| Congressional District · Formatted | IA-04 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 19025 |
| Cdc Birth Rate · State Fips | 19 |
| Cdc Birth Rate · County Fips | 025 |
| Cdc Birth Rate · County | Calhoun |
| Cdc Birth Rate · Birth Rate | 14.7% |
| Cdc Birth Rate · Lower Ci | 9.40 |
| Cdc Birth Rate · Upper Ci | 22.00 |
| Cdc Mortality · Fips | 19025 |
| Cdc Mortality · County | Calhoun County |
| Cdc Mortality · Urban Rural | Noncore |
| Cdc Mortality · Total Deaths 2020 2023 | 344 |
| Cdc Vaccination · Fips | 19025 |
| Cdc Vaccination · County | Calhoun County |
| Cdc Vaccination · Dose1 Pop Pct | 64.7% |
| Cdc Vaccination · Series Complete Pct | 61.3% |
| Cdc Vaccination · Booster Pct | 59.2% |
| Cdc Vaccination · Population 2019 | 9,668 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 3.50 |
| Family Score · Schools | 5 |
| Family Score · Children Pct | 18.5% |
| Family Score · Rating | fair |
| Town Summary · Key Facts | population 357, booming, established, middle-class, mixed |
| Town Summary · Population | 357 people (vs Iowa 24,827) |
| Town Summary · County | Calhoun County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade